US3522576A - Underwater electrical connector - Google Patents

Underwater electrical connector Download PDF

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Publication number
US3522576A
US3522576A US3522576DA US3522576A US 3522576 A US3522576 A US 3522576A US 3522576D A US3522576D A US 3522576DA US 3522576 A US3522576 A US 3522576A
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electrical
invention
element
dielectric
connection
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James L Cairns
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CHALLENGER MARINE CONNECTORS Inc
Lockheed Corp
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James L Cairns
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    • HELECTRICITY
    • H01BASIC ELECTRIC ELEMENTS
    • H01RLINE CONNECTORS; CURRENT COLLECTORS
    • H01R13/00Details of coupling devices of the kinds covered by groups H01R12/70 or H01R24/00-H01R33/00
    • H01R13/46Bases; Cases
    • H01R13/52Dustproof, splashproof, drip-proof, waterproof, or flameproof cases
    • H01R13/523Dustproof, splashproof, drip-proof, waterproof, or flameproof cases for use under water

Description

Aug. 4,1970 J. L. CAIRNS 3,522,576

UNDERWATER ELECTRICAL CONNECTOR Filed April 26. 1968 INVENTOR. JAMES L. CAIRNS BY (@w 1 9 l ww A rromvsrs United States Patent US. Cl. 339-91 2 Claims ABSTRACT OF THE DISCLOSURE The present invention relates to an underwater elec trical connector that is nonresponsive to changes in the surrounding pressure. A body element in the form of a tubular shell is filled with a dielectric viscous substance such as gel or grease. A conductive plate having female recesses or honeycomb surfaces is mounted inside the body element and is completely encased in the dielectric substance. Grommets or penetrable walls are disposed at opposite ends of the housing element substantially isolating the gel-filled chamber from the exterior to permit the insertion of bayonet type probes therethrough and into the conductive plate to effect an electrical connection between the probes. The wiping action of the grommet or penetrable wall and the dielectric gel prevents impurities from being introduced into the connection and the conductive plate having female shaped recesses or honeycomb surfaces ensures a positive elec trical interconnection between the probes. Having the interior of the connector filled with the dielectric gel renders the connector insensitive to changes in the surrounding pressure.

STATEMENT OF GOVERNMENT INTEREST The invention described herein may be manufactured and used by or for the Government of the United States of America for governmental purposes without the payment of any royalties thereon or therefor.

BACKGROUND OF THE INVENTION The present invention pertains to the field of electrical connectors and in particular to underwater electrical connectors capable of passing an undistorted signal while being subjected to water pressure changes and other adverse marine conditions. Presently, the problem that frequently occurs where electrical connections are made underwater is that an introduction of salt and sediment into the connection device results in a distorted transferred signal. In addition, existing underwater connectors are prone to failure or collapse when subjected to water pressure increases and decreases. Furthermore, most present connectors serve only as a device for ensuring electrical connections and do not provide a mechanical linkage for holding the conductors in mechanical engagement.

SUMMARY OF THE INVENTION The present invention is directed to providing an apparatus for ensuring a watertight electrical connection. By providing a tubular shaped body member with grommets or penetrable walls at opposite ends, a chamber is formed in which a conductive element is disposed. The conductive element, having oppositely disposed recesses or being formed of a honeycomb plate, is encased in a dielectric viscous material such as gel or a silicone grease substantially filling the chamber. Bayonet probes inserted through the grommets or the penetrable walls pass through the dielectric gel and into the recesses or the honeycomb plate to complete an electric path from one bayonet probe, through the conductive element, and out 3,522,576 Patented Aug. 4, 1970 through the other bayonet probe. Inserting a probe through the walls and the gel wipes off dirt or grit and ensures a positive connection free from any impurities that could distort the transferred signal. Providing recesses or a honeycomb structure in the conductive element guarantees a good conductive path.

It is a prime object of the present invention to provide an electrical connection specifically adapted for underwater use.

Another object of the instant invention is to provide a watertight electrical connection that minimizes signal distortion.

Still another object is to provide an underwater connection that is uneffected by changes in surrounding water pressure.

A further object of the invention is to provide a connector that ensures a sound mechanical connection while providing a superior electrical connection.

These and other objects of the present invention will be more readily understood by taking into consideration the drawings and ensuing description.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is an isometric view of one form of the invention.

FIG. 2 is a longitudinal cross-sectional view of the invention taken along lines 22 in FIG. 1.

FIG. 3 is an isometric view of a preferred form of the invention.

FIG. 4 is a longitudinal cross-sectional view of the invention taken along lines 4-4 in FIG. 3.

FIG. 5 is an isometric view of a multiple connector.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Referring to FIGS. 1 and 2 of the drawings, showing a first embodiment of the invention, the connector is formed of a housing or body element 10 provided with threaded end portions 10a and l llb. For reasons which will become apparent, the body element is preferably constructed of a rigid transparent material that permits inspection of the electrical interconnection inside. A pair of axially displaceable resilient grommets 11 and 12 are provided with an orifice, or in the alternate, with a thin, penetrable wall, note grommet 12, and are disposed Within the body element to form a chamber 14. A metallic, tubularly' shaped conductor 15 is frictionally fitted or adhered to the inner walls of the housing element to align a pair of oppositely disposed recesses 15a and 15b substantially adjacent to the holes provided in the grommets. The walls of the recesses are splined, note to permit a flexing of the conductor when a probe is inserted therein. A dielectric substance such as gel, oil, silicon grease, or similar product 16 completely fills the remainder of the chamber to isolate the conductor from the exterior of the body element. I

An insulated electric lead 17 terminates in a bayonet type probe 18 including an insulating sheath 19 having its outer end shaped to receive the insulated electric lead interconnection. The remainder of the sheath snugly fits about an electrically conductive shaft 20 with the exception of an exposed tip portion 21 located on the inner end of the shaft. Joining the insulated electric lead to the conductor shaft requires that the insulating sheath be of a suificient resilience to permit exposure of the juncture point between the shaft and the lead during the soldering operation. The diameter of the exposed tip and sheathed conductive shaft is such as to permit a forced fitting through the grommet and is of sufificient length to ensure a contiguous fitting between the exposed tip and a recess in the tubular shaped conductor.

A locking nut 22 is provided with an axial bore sized to fit around the insulating sheath and to abut a rim 19a and thus, prevents its sliding over the sheath and past the exposed tip. Tapping the inside of the nut with threads matching the threads died onto the threaded end portions a or 10b enables mechanical connection between the body element and the leads.

To operatively engage the connector, the bayonet probe is forcibly inserted through a grommet, through the dielectric gel, and into a recess in the tubularly shaped conductor. Upon complete insertion of the bayonet probe, the locking nut is turned onto a threaded end portion to secure the probe in the body element. Forcing the probe through the grommet creates a pressure on the dielectric substance forcing the grommet axially outwardly within body element 10 while still maintaining a sealed relationship about the probe. The combined wiping and sealing action by the grommet, having or not having a thin penetrable wall, and the dielectric gel prevents impurities and water from being introduced into the electrical interconnection and thusly eliminates signal distortion attributed to a faulty connection. The mechanical co-action between the locking nut and the body element ensures that such electrical connection is maintained.

A second embodiment of the invention utilizes a molded, ductile housing 25 internally shaped with a pair of annular guide ridges 26 that secure a honeycomb conductive plate 27, although a tubular-shaped conductor 16 could be substituted for the honeycomb plate. The remainder of the housing interior is substantially filled with a dielectric gel, oil, or similar product 16. A securing latch 28 having a pair of oppositely extending arms 29 and 30 are molded integrally with the housing, or the securing latch is molded separately and attached to the housing by straps or similar means. The arms extend beyond the length of the housing element and terminate in a pair of right angled projections 29a and 30a.

The probes used in this embodiment are similar to those set out above, the exception being that in place of the locking nut, a molded probe guide 31 is provided with a guide rim 32.

Operation of this embodiment involves inserting the probe through the penetratable end walls, through the gel or oil and into the honeycomb conductive plate. The combined wiping action of the end walls and gel again removes impurities and water from the point of electrical contact and seals the interior of the housing from the surrounding water. As insertion of the probes progresses, the resilient arms are bent slightly outwardly to allow the guide rims to bypass right angled projections. After complete insertion, the projections are allowed to snap over the guide rims to securely hold the probes in secure electrical interconnection.

Using this embodiment of the invention a multiple connector unit can be manufactured by merely molding a multiple contact housing 40 and multiple contact probes 41 according to the teachings set out above.

Because repeated use of an underwater connector results in accumulated impurities inside of the connector,

. an advantage of the second embodiment is that the penetratable molded housing ensures a distortion free electrical interconnection since it is used only once. Because of the simplicity of construction, mass production at a nominal cost is realized. By filling the chamber entirely with a dielectric gel, oil, or similar agent, air pockets within the connection apparatus are eliminated and the apparatus is rendered impervious to the effects of fluctuating or extreme water pressures. In addition, because of the wiping action of the walls and dielectric gel, a nearly perfect, secure electrical interconnection is made under water by a diver.

Obviously many modifications and variations of the present invention are possible in light of the above disclosure. It is therefore to be understood that within the scope of the disclosed inventive concept, the invention may be practiced otherwise than as specifically described.

What is claimed is:

1. An apparatus ensuring a watertight electrical connection comprising:

a ductile shell enclosing a chamber and provided with a pair of axially arranged, oppositely facing penetrable walls integrally molded with said shell permitting access to said chamber;

a dielectric viscous material substantially filling said chamber;

a metallic honeycomb plate secured to an inner surface of said chamber and being encased in said dielectric viscous material;

a pair of bayonet probes formed to penetrate said walls and to pass through said dielectric viscous material, each bayonet probe having an exposed conductive tip configured to ensure a piercing, sliding electrical coupling with said honeycomb plate; and

a pair of arms externally mounted on said ductile shell positioned for each mechanically engaging a separate said bayonet probe to provide a secure mechanical interconnection between said probes and said shell ensuring a positive said electrical coupling therebetween.

2. An apparatus according to claim 1 further including:

a plurality of ductile shells molded as a single unit with each having a discrete said honeycomb plate disposed therein; and

a plurality of said bayonet probes integrally molded in a juxtaposed relationship for separately effecting said electrical coupling, simultaneously, with individual ones of the honeycomb plates upon insertion thereof in said shells.

References Cited UNITED STATES PATENTS 2,841,635 7/1958 Witzell et al 174-77 2,858,518 10/1958 Chrystie et al 339-96 3,044,037 7/ 1962 Honig 33989 3,127,230 3/1964 Marquis et a1 3391 18 3,158,420 11/1964 Olson et a1 339--96 3,241,095 3/ 1966 Phillips.

3,263,205 7/1966 Chandler 339198 RICHARD E. MOORE, Primary Examiner J. H. MCGLYNN, Assistant Examiner US. Cl. X.R. 339-96, 205

US3522576A 1968-04-26 1968-04-26 Underwater electrical connector Expired - Lifetime US3522576A (en)

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Cited By (51)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3643207A (en) * 1970-08-28 1972-02-15 James L Cairns Sealed electrical connector
US3675062A (en) * 1966-02-11 1972-07-04 Fernseh Gmbh Method and apparatus for connecting to a nesa layer
US3680036A (en) * 1970-09-17 1972-07-25 Us Navy Electrical connector
US3877769A (en) * 1973-10-23 1975-04-15 Du Pont Circuit board socket
US4299434A (en) * 1977-04-30 1981-11-10 Asao Ishikawa Watertight RF connector
US4500151A (en) * 1982-11-19 1985-02-19 Shell Oil Company Marine electrical plug
US4589492A (en) * 1984-10-10 1986-05-20 Hughes Tool Company Subsea well submersible pump installation
US4629269A (en) * 1977-10-25 1986-12-16 Allied Corporation Electrical connector with environmental seal
US4666242A (en) * 1984-06-21 1987-05-19 Lockheed Corporation Underwater electro-optical connector including cable terminal unit with electro-optical probe
US4797117A (en) * 1982-12-23 1989-01-10 Shell Oil Company Marine electrical plug
US4813883A (en) * 1987-03-23 1989-03-21 Staley Donald K Impact fastening electrical wire connector
US4902252A (en) * 1988-10-31 1990-02-20 Signeon Corporation High voltage electrical connector
US5140746A (en) * 1982-10-12 1992-08-25 Raychem Corporation Method and device for making electrical connector
US5195125A (en) * 1990-09-17 1993-03-16 Raychem Corporation Gel filled RJ11 connector
US5246383A (en) * 1990-09-17 1993-09-21 Raychem Corporation Gel filled electrical connector
DE4310157A1 (en) * 1992-03-30 1993-10-07 Aisin Seiki Connector device
US5273449A (en) * 1990-03-26 1993-12-28 Raychem Corporation Modular telecommunications terminal block
US5354210A (en) * 1991-08-23 1994-10-11 The Whitaker Corporation Sealant compositions and sealed electrical connectors
US5357057A (en) * 1982-10-12 1994-10-18 Raychem Corporation Protected electrical connector
US5376019A (en) * 1990-09-17 1994-12-27 Raychem Corporation Gel filled modular electrical connecting block
US5399100A (en) * 1991-09-28 1995-03-21 A.C. Agerton Limited Transmission wire connector assemblies
US5580265A (en) * 1991-08-23 1996-12-03 The Whitaker Corporation Sealant compositions and sealed electrical connectors
US5645442A (en) * 1995-01-19 1997-07-08 Ocean Design, Inc. Sealed, Fluid-filled electrical connector
US5844021A (en) * 1991-08-23 1998-12-01 The Whitaker Corporation Sealant compositions and sealed electrical connectors
US6210191B1 (en) * 1997-12-26 2001-04-03 The Whitaker Corporation Waterproof electrical connector with pressure reducing structure
US6227900B1 (en) * 1996-09-06 2001-05-08 Continental Teves Ag & Co. Ohg Connector for providing a humidity-tight electrical connection
US20040097131A1 (en) * 2002-07-11 2004-05-20 Varreng Jan Sverre Subsea connector
US6971897B1 (en) 2003-10-29 2005-12-06 Tyco Electronics Corporation Gel-filled telephone jack
USD607829S1 (en) 2007-11-26 2010-01-12 Ds Engineering, Llc Ringed, compressed coaxial cable F-connector with tactile surfaces
USD607827S1 (en) 2007-11-15 2010-01-12 Ds Engineering, Llc Compressed coaxial cable F-connector with tactile surfaces
USD607830S1 (en) 2007-11-26 2010-01-12 Ds Engineering, Llc Ringed, non-composed coaxial cable F-connector with tactile surfaces
USD607828S1 (en) 2007-11-19 2010-01-12 Ds Engineering, Llc Ringed compressed coaxial cable F-connector
USD607826S1 (en) 2007-11-15 2010-01-12 Ds Engineering, Llc Non-compressed coaxial cable F-connector with tactile surfaces
USD608294S1 (en) 2007-11-19 2010-01-19 Ds Engineering, Llc Ringed non-compressed coaxial cable F-connector
US7841896B2 (en) 2007-12-17 2010-11-30 Ds Engineering, Llc Sealed compression type coaxial cable F-connectors
US20110021049A1 (en) * 2009-07-23 2011-01-27 Teledyne Odi, Inc. Wet mate connector
US20110034041A1 (en) * 2009-08-05 2011-02-10 Teledyne Odi, Inc. Electrical penetrator assembly
US20110306225A1 (en) * 2010-05-11 2011-12-15 Rmspumptools Limited Connector
US20120045918A1 (en) * 2009-04-23 2012-02-23 Pierre-Yves Litzler Subcutaneous device for electrical percutaneous connection
US8371874B2 (en) 2007-12-17 2013-02-12 Ds Engineering, Llc Compression type coaxial cable F-connectors with traveling seal and barbless post
US8639353B2 (en) 2009-04-23 2014-01-28 Centre Hospitalier Universitaire De Rouen Electrical connection device implantable in the human body
US8834200B2 (en) 2007-12-17 2014-09-16 Perfectvision Manufacturing, Inc. Compression type coaxial F-connector with traveling seal and grooved post
US8968018B2 (en) 2009-08-05 2015-03-03 Teledyne Instruments, Inc. Electrical penetrator assembly
US9190773B2 (en) 2011-12-27 2015-11-17 Perfectvision Manufacturing, Inc. Socketed nut coaxial connectors with radial grounding systems for enhanced continuity
US20150364890A1 (en) * 2007-06-29 2015-12-17 Lloyd Herbert King, Jr. Waterproof push-in wire connectors
US9263824B2 (en) 2014-05-21 2016-02-16 Stillwater Trust Electrical connector having an end-seal with slit-like openings and nipples
US9362634B2 (en) 2011-12-27 2016-06-07 Perfectvision Manufacturing, Inc. Enhanced continuity connector
US9564695B2 (en) 2015-02-24 2017-02-07 Perfectvision Manufacturing, Inc. Torque sleeve for use with coaxial cable connector
US9673605B2 (en) 2015-05-04 2017-06-06 Pontus Subsea Connectors Llc Boot seal
US9715068B2 (en) 2015-06-30 2017-07-25 Pontus Subsea Connectors Llc Cable termination
US9908737B2 (en) 2011-10-07 2018-03-06 Perfectvision Manufacturing, Inc. Cable reel and reel carrying caddy

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US2841635A (en) * 1955-06-14 1958-07-01 Warren E Witzell Waterproof and pressureproof cable plugs and connections
US2858518A (en) * 1957-05-01 1958-10-28 Gen Dynamics Corp Fluid tight electrical connection
US3044037A (en) * 1960-05-27 1962-07-10 Herbert G Honig High voltage disconnect splice head
US3127230A (en) * 1964-03-31 Electrical connector device
US3158420A (en) * 1963-12-24 1964-11-24 Le Roy O Olson Underwater electrical connector
US3241095A (en) * 1962-10-29 1966-03-15 Gray & Huleguard Inc Sealed terminal structure
US3263205A (en) * 1962-11-30 1966-07-26 Plessey Uk Ltd Socket units for plug-and-socket connectors

Patent Citations (7)

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Publication number Priority date Publication date Assignee Title
US3127230A (en) * 1964-03-31 Electrical connector device
US2841635A (en) * 1955-06-14 1958-07-01 Warren E Witzell Waterproof and pressureproof cable plugs and connections
US2858518A (en) * 1957-05-01 1958-10-28 Gen Dynamics Corp Fluid tight electrical connection
US3044037A (en) * 1960-05-27 1962-07-10 Herbert G Honig High voltage disconnect splice head
US3241095A (en) * 1962-10-29 1966-03-15 Gray & Huleguard Inc Sealed terminal structure
US3263205A (en) * 1962-11-30 1966-07-26 Plessey Uk Ltd Socket units for plug-and-socket connectors
US3158420A (en) * 1963-12-24 1964-11-24 Le Roy O Olson Underwater electrical connector

Cited By (70)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3675062A (en) * 1966-02-11 1972-07-04 Fernseh Gmbh Method and apparatus for connecting to a nesa layer
US3643207A (en) * 1970-08-28 1972-02-15 James L Cairns Sealed electrical connector
US3680036A (en) * 1970-09-17 1972-07-25 Us Navy Electrical connector
US3877769A (en) * 1973-10-23 1975-04-15 Du Pont Circuit board socket
US4299434A (en) * 1977-04-30 1981-11-10 Asao Ishikawa Watertight RF connector
US4629269A (en) * 1977-10-25 1986-12-16 Allied Corporation Electrical connector with environmental seal
US5140746A (en) * 1982-10-12 1992-08-25 Raychem Corporation Method and device for making electrical connector
US5672846A (en) * 1982-10-12 1997-09-30 Raychem Corporation Electrical connector
US5639992A (en) * 1982-10-12 1997-06-17 Raychem Corporation Method and device for making a protected electrical connector
US5357057A (en) * 1982-10-12 1994-10-18 Raychem Corporation Protected electrical connector
US4500151A (en) * 1982-11-19 1985-02-19 Shell Oil Company Marine electrical plug
US4797117A (en) * 1982-12-23 1989-01-10 Shell Oil Company Marine electrical plug
US4666242A (en) * 1984-06-21 1987-05-19 Lockheed Corporation Underwater electro-optical connector including cable terminal unit with electro-optical probe
US4589492A (en) * 1984-10-10 1986-05-20 Hughes Tool Company Subsea well submersible pump installation
US4813883A (en) * 1987-03-23 1989-03-21 Staley Donald K Impact fastening electrical wire connector
US4902252A (en) * 1988-10-31 1990-02-20 Signeon Corporation High voltage electrical connector
US5797759A (en) * 1990-03-26 1998-08-25 Raychem Corporation Modular telecommunications terminal block
US5273449A (en) * 1990-03-26 1993-12-28 Raychem Corporation Modular telecommunications terminal block
US5562491A (en) * 1990-09-17 1996-10-08 Raychem Corporation Gel filled electrical connector
US5601460A (en) * 1990-09-17 1997-02-11 Raychem Corporation Gel filled modular electrical connecting block
US5246383A (en) * 1990-09-17 1993-09-21 Raychem Corporation Gel filled electrical connector
US5376019A (en) * 1990-09-17 1994-12-27 Raychem Corporation Gel filled modular electrical connecting block
US5598455A (en) * 1990-09-17 1997-01-28 Raychem Corporation Alarm and test system for a digital added main line
US5427547A (en) * 1990-09-17 1995-06-27 Raychem Corporation Gel filled modular electrical connecting block
US5195125A (en) * 1990-09-17 1993-03-16 Raychem Corporation Gel filled RJ11 connector
US5580265A (en) * 1991-08-23 1996-12-03 The Whitaker Corporation Sealant compositions and sealed electrical connectors
US5741843A (en) * 1991-08-23 1998-04-21 The Whitaker Corporation Sealant compositions and sealed electrical connectors
US5360350A (en) * 1991-08-23 1994-11-01 The Whitaker Corporation Sealant compositions and sealed electrical connectors
US5354210A (en) * 1991-08-23 1994-10-11 The Whitaker Corporation Sealant compositions and sealed electrical connectors
US5691399A (en) * 1991-08-23 1997-11-25 The Whitaker Corporation Sealant composition and sealed electrical connectors
US5844021A (en) * 1991-08-23 1998-12-01 The Whitaker Corporation Sealant compositions and sealed electrical connectors
US5399100A (en) * 1991-09-28 1995-03-21 A.C. Agerton Limited Transmission wire connector assemblies
DE4310157C2 (en) * 1992-03-30 1998-01-29 Aisin Seiki connecting device
US5364283A (en) * 1992-03-30 1994-11-15 Aisin Seiki Kabushiki Kaisha Connecting device
DE4310157A1 (en) * 1992-03-30 1993-10-07 Aisin Seiki Connector device
US5645442A (en) * 1995-01-19 1997-07-08 Ocean Design, Inc. Sealed, Fluid-filled electrical connector
US6227900B1 (en) * 1996-09-06 2001-05-08 Continental Teves Ag & Co. Ohg Connector for providing a humidity-tight electrical connection
US6210191B1 (en) * 1997-12-26 2001-04-03 The Whitaker Corporation Waterproof electrical connector with pressure reducing structure
US20040097131A1 (en) * 2002-07-11 2004-05-20 Varreng Jan Sverre Subsea connector
US6916193B2 (en) * 2002-07-11 2005-07-12 Nexans Subsea connector
US6971897B1 (en) 2003-10-29 2005-12-06 Tyco Electronics Corporation Gel-filled telephone jack
US20150364890A1 (en) * 2007-06-29 2015-12-17 Lloyd Herbert King, Jr. Waterproof push-in wire connectors
USD607826S1 (en) 2007-11-15 2010-01-12 Ds Engineering, Llc Non-compressed coaxial cable F-connector with tactile surfaces
USD607827S1 (en) 2007-11-15 2010-01-12 Ds Engineering, Llc Compressed coaxial cable F-connector with tactile surfaces
USD607828S1 (en) 2007-11-19 2010-01-12 Ds Engineering, Llc Ringed compressed coaxial cable F-connector
USD608294S1 (en) 2007-11-19 2010-01-19 Ds Engineering, Llc Ringed non-compressed coaxial cable F-connector
USD607829S1 (en) 2007-11-26 2010-01-12 Ds Engineering, Llc Ringed, compressed coaxial cable F-connector with tactile surfaces
USD607830S1 (en) 2007-11-26 2010-01-12 Ds Engineering, Llc Ringed, non-composed coaxial cable F-connector with tactile surfaces
US8834200B2 (en) 2007-12-17 2014-09-16 Perfectvision Manufacturing, Inc. Compression type coaxial F-connector with traveling seal and grooved post
US8371874B2 (en) 2007-12-17 2013-02-12 Ds Engineering, Llc Compression type coaxial cable F-connectors with traveling seal and barbless post
US7841896B2 (en) 2007-12-17 2010-11-30 Ds Engineering, Llc Sealed compression type coaxial cable F-connectors
US20120045918A1 (en) * 2009-04-23 2012-02-23 Pierre-Yves Litzler Subcutaneous device for electrical percutaneous connection
US8639353B2 (en) 2009-04-23 2014-01-28 Centre Hospitalier Universitaire De Rouen Electrical connection device implantable in the human body
US8545255B2 (en) * 2009-04-23 2013-10-01 Centre Hospitalier Universitaire De Rouen Subcutaneous device for electrical percutaneous connection
US20110021049A1 (en) * 2009-07-23 2011-01-27 Teledyne Odi, Inc. Wet mate connector
US7959454B2 (en) 2009-07-23 2011-06-14 Teledyne Odi, Inc. Wet mate connector
US8123549B2 (en) 2009-08-05 2012-02-28 Teledyne Instruments, Inc. Multiple layer conductor pin for electrical connector and method of manufacture
US8287295B2 (en) 2009-08-05 2012-10-16 Teledyne Instruments, Inc. Electrical penetrator assembly
US20110034041A1 (en) * 2009-08-05 2011-02-10 Teledyne Odi, Inc. Electrical penetrator assembly
US20110034066A1 (en) * 2009-08-05 2011-02-10 Teledyne Odi, Inc. Multiple layer conductor pin for electrical connector and method of manufacture
US8968018B2 (en) 2009-08-05 2015-03-03 Teledyne Instruments, Inc. Electrical penetrator assembly
US8376765B2 (en) * 2010-05-11 2013-02-19 Rmspumptools Limited Connector
US20110306225A1 (en) * 2010-05-11 2011-12-15 Rmspumptools Limited Connector
US9908737B2 (en) 2011-10-07 2018-03-06 Perfectvision Manufacturing, Inc. Cable reel and reel carrying caddy
US9190773B2 (en) 2011-12-27 2015-11-17 Perfectvision Manufacturing, Inc. Socketed nut coaxial connectors with radial grounding systems for enhanced continuity
US9362634B2 (en) 2011-12-27 2016-06-07 Perfectvision Manufacturing, Inc. Enhanced continuity connector
US9263824B2 (en) 2014-05-21 2016-02-16 Stillwater Trust Electrical connector having an end-seal with slit-like openings and nipples
US9564695B2 (en) 2015-02-24 2017-02-07 Perfectvision Manufacturing, Inc. Torque sleeve for use with coaxial cable connector
US9673605B2 (en) 2015-05-04 2017-06-06 Pontus Subsea Connectors Llc Boot seal
US9715068B2 (en) 2015-06-30 2017-07-25 Pontus Subsea Connectors Llc Cable termination

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Owner name: CHALLENGER MARINE CONNECTORS, INC. 1625 WHITE DRIV

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Effective date: 19840629

Owner name: LOCKHEED CORPORATION A CORP OF CA.

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Free format text: ASSIGNMENT OF ASSIGNORS INTEREST;ASSIGNOR:CAIRNS JAMES L.;REEL/FRAME:004298/0607