US2738208A
(en)
*
|
1952-03-17 |
1956-03-13 |
Francis A Utecht Jr |
Seal
|
DE970408C
(de)
*
|
1952-11-06 |
1958-09-18 |
Siemens Ag |
Fluessigkeitsringdichtung fuer umlaufende Maschinen
|
US2835514A
(en)
*
|
1954-03-03 |
1958-05-20 |
Ingersoll Rand Co |
Rotary shaft seal
|
NL99859C
(no)
*
|
1954-10-21 |
|
|
|
DE1017470B
(de)
*
|
1955-02-21 |
1957-10-10 |
Paul Bungartz |
Kreiselpumpe mit hydraulischer Abdichtung des Wellenspaltes durch ein Hilfsfoerderrad beim Betrieb und mit einem durch axiale Wellenverschiebung betaetigtem Wellenspaltventil zur Abdichtung des Wellenspaltes beim Stillstand
|
DE1037858B
(de)
*
|
1955-10-06 |
1958-08-28 |
Klaus Maschinen Und Appbau F |
Wellenspaltabdichtung bei Kreiselpumpen
|
US3068801A
(en)
*
|
1958-09-02 |
1962-12-18 |
Murray William |
Centrifugal impeller pumps
|
US3028181A
(en)
*
|
1958-12-26 |
1962-04-03 |
Thompson Lee Lavere |
Seals for rotating shafts
|
US3052300A
(en)
*
|
1959-02-06 |
1962-09-04 |
Donald M Hampton |
Well head for air drilling apparatus
|
US3091469A
(en)
*
|
1959-03-04 |
1963-05-28 |
Thompson Ramo Wooldridge Inc |
Seal
|
US3049081A
(en)
*
|
1959-04-27 |
1962-08-14 |
Bell Aerospace Corp |
Pump seal
|
DE1102506B
(de)
*
|
1959-07-04 |
1961-03-16 |
Basf Ag |
Hydrodynamische Wellendichtung
|
US3094271A
(en)
*
|
1962-07-12 |
1963-06-18 |
Garrett Corp |
Seal for refrigerant compressor
|
US3410565A
(en)
*
|
1966-07-27 |
1968-11-12 |
Worthington Corp |
Centrifugal and face contact seal
|
US3743443A
(en)
*
|
1971-05-28 |
1973-07-03 |
Nash Engineering Co |
Vacuum pump
|
DE2433045C2
(de)
*
|
1974-07-10 |
1983-06-09 |
Grundfos A/S, 8850 Bjerringbro |
Dichtungsanordnung für die Welle eines zur Unterwassermontage eingerichteten Elektromotors
|
US4199154A
(en)
*
|
1976-07-28 |
1980-04-22 |
Stauffer Chemical Company |
Labyrinth sealing system
|
US4181312A
(en)
*
|
1978-05-11 |
1980-01-01 |
Douglas Frederick |
Slinger device
|
DE3213378C2
(de)
*
|
1982-04-10 |
1984-10-11 |
Pacific Wietz Gmbh + Co Kg, 4600 Dortmund |
Mehrschichtiger Gleitkörper und Verfahren zu seiner Herstellung
|
DE3441351C2
(de)
*
|
1984-11-13 |
1986-10-02 |
M.A.N. Maschinenfabrik Augsburg-Nürnberg AG, 4200 Oberhausen |
Fliehkraft-Gleitringdichtung
|
FR2621970A1
(fr)
*
|
1987-10-20 |
1989-04-21 |
Hebert Michel |
Dispositif d'etancheite dynamique par corps centrifuge
|
JPH0535247Y2
(no)
*
|
1987-12-24 |
1993-09-07 |
|
|
DE3807640A1
(de)
*
|
1988-03-09 |
1989-09-21 |
Mtu Muenchen Gmbh |
Beruehrungsfreie aerosol-dichtung
|
WO1990010166A1
(en)
*
|
1989-03-02 |
1990-09-07 |
Baker Hughes Limited |
Seal for shaft
|
GB2234788A
(en)
*
|
1989-08-03 |
1991-02-13 |
Crane John Uk Ltd |
Mechanical face seal
|
US5647444A
(en)
*
|
1992-09-18 |
1997-07-15 |
Williams; John R. |
Rotating blowout preventor
|
US5662181A
(en)
*
|
1992-09-30 |
1997-09-02 |
Williams; John R. |
Rotating blowout preventer
|
US6138774A
(en)
*
|
1998-03-02 |
2000-10-31 |
Weatherford Holding U.S., Inc. |
Method and apparatus for drilling a borehole into a subsea abnormal pore pressure environment
|
US6913092B2
(en)
|
1998-03-02 |
2005-07-05 |
Weatherford/Lamb, Inc. |
Method and system for return of drilling fluid from a sealed marine riser to a floating drilling rig while drilling
|
US6263982B1
(en)
|
1998-03-02 |
2001-07-24 |
Weatherford Holding U.S., Inc. |
Method and system for return of drilling fluid from a sealed marine riser to a floating drilling rig while drilling
|
US6168163B1
(en)
|
1998-11-18 |
2001-01-02 |
Mixer Systems, Inc. |
Shaft seal for mixers
|
DE60031959T2
(de)
|
1999-03-02 |
2007-09-20 |
Weatherford/Lamb, Inc., Houston |
Im riser angebrachter rotierender kontrollkopf
|
US7159669B2
(en)
|
1999-03-02 |
2007-01-09 |
Weatherford/Lamb, Inc. |
Internal riser rotating control head
|
US7836946B2
(en)
|
2002-10-31 |
2010-11-23 |
Weatherford/Lamb, Inc. |
Rotating control head radial seal protection and leak detection systems
|
US7487837B2
(en)
|
2004-11-23 |
2009-02-10 |
Weatherford/Lamb, Inc. |
Riser rotating control device
|
US7237623B2
(en)
|
2003-09-19 |
2007-07-03 |
Weatherford/Lamb, Inc. |
Method for pressurized mud cap and reverse circulation drilling from a floating drilling rig using a sealed marine riser
|
US8826988B2
(en)
|
2004-11-23 |
2014-09-09 |
Weatherford/Lamb, Inc. |
Latch position indicator system and method
|
US7926593B2
(en)
|
2004-11-23 |
2011-04-19 |
Weatherford/Lamb, Inc. |
Rotating control device docking station
|
US7798250B2
(en)
*
|
2007-08-27 |
2010-09-21 |
Theresa J. Williams, legal representative |
Bearing assembly inner barrel and well drilling equipment comprising same
|
US7559359B2
(en)
*
|
2007-08-27 |
2009-07-14 |
Williams John R |
Spring preloaded bearing assembly and well drilling equipment comprising same
|
US7762320B2
(en)
|
2007-08-27 |
2010-07-27 |
Williams John R |
Heat exchanger system and method of use thereof and well drilling equipment comprising same
|
US7789172B2
(en)
|
2007-08-27 |
2010-09-07 |
Williams John R |
Tapered bearing assembly cover plate and well drilling equipment comprising same
|
US7635034B2
(en)
*
|
2007-08-27 |
2009-12-22 |
Theresa J. Williams, legal representative |
Spring load seal assembly and well drilling equipment comprising same
|
US7717170B2
(en)
|
2007-08-27 |
2010-05-18 |
Williams John R |
Stripper rubber pot mounting structure and well drilling equipment comprising same
|
US7766100B2
(en)
|
2007-08-27 |
2010-08-03 |
Theresa J. Williams, legal representative |
Tapered surface bearing assembly and well drilling equiment comprising same
|
US7726416B2
(en)
|
2007-08-27 |
2010-06-01 |
Theresa J. Williams, legal representative |
Bearing assembly retaining apparatus and well drilling equipment comprising same
|
US7717169B2
(en)
*
|
2007-08-27 |
2010-05-18 |
Theresa J. Williams, legal representative |
Bearing assembly system with integral lubricant distribution and well drilling equipment comprising same
|
US7997345B2
(en)
|
2007-10-19 |
2011-08-16 |
Weatherford/Lamb, Inc. |
Universal marine diverter converter
|
US8286734B2
(en)
|
2007-10-23 |
2012-10-16 |
Weatherford/Lamb, Inc. |
Low profile rotating control device
|
US8844652B2
(en)
|
2007-10-23 |
2014-09-30 |
Weatherford/Lamb, Inc. |
Interlocking low profile rotating control device
|
US7708089B2
(en)
*
|
2008-02-07 |
2010-05-04 |
Theresa J. Williams, legal representative |
Breech lock stripper rubber pot mounting structure and well drilling equipment comprising same
|
GB0804306D0
(en)
|
2008-03-07 |
2008-04-16 |
Petrowell Ltd |
Device
|
US8820752B2
(en)
|
2008-09-15 |
2014-09-02 |
Stein Seal Company |
Intershaft seal with centrifugal compensation
|
US8322432B2
(en)
|
2009-01-15 |
2012-12-04 |
Weatherford/Lamb, Inc. |
Subsea internal riser rotating control device system and method
|
US9359853B2
(en)
|
2009-01-15 |
2016-06-07 |
Weatherford Technology Holdings, Llc |
Acoustically controlled subsea latching and sealing system and method for an oilfield device
|
US8347983B2
(en)
|
2009-07-31 |
2013-01-08 |
Weatherford/Lamb, Inc. |
Drilling with a high pressure rotating control device
|
US8347982B2
(en)
|
2010-04-16 |
2013-01-08 |
Weatherford/Lamb, Inc. |
System and method for managing heave pressure from a floating rig
|
US9175542B2
(en)
|
2010-06-28 |
2015-11-03 |
Weatherford/Lamb, Inc. |
Lubricating seal for use with a tubular
|
FR2986568B1
(fr)
*
|
2012-02-07 |
2016-06-10 |
Snecma |
Dispositif d'etancheite avec joint hydraulique du passage d'un arbre rotatif au travers d'une paroi d'une enceinte.
|
DE102018201291A1
(de)
|
2018-01-29 |
2019-08-01 |
Trelleborg Sealing Solutions Germany Gmbh |
Axial-Wellendichtring und Dichtungsanordnung
|
US11118469B2
(en)
*
|
2018-11-19 |
2021-09-14 |
General Electric Company |
Seal assembly for a turbo machine
|
EP4051899A1
(en)
|
2019-10-31 |
2022-09-07 |
Vestas Wind Systems A/S |
Apparatus for sealing rotatable components of a wind turbine powertrain
|
CN115614314A
(zh)
*
|
2021-07-13 |
2023-01-17 |
艾志(南京)环保管接技术股份有限公司 |
液体用机械密封装置
|