|
US3521911A
(en)
*
|
1968-03-06 |
1970-07-28 |
Vetco Offshore Ind Inc |
Lockable and unlockable,releasable tool joints
|
|
CH499086A
(de)
*
|
1968-11-11 |
1970-11-15 |
Oerlikon Buehrle Ag |
Axiale Lagesicherung eines zylindrischen Teiles in einem hohlzylindrischen Teil, insbesondere für einen Treibladungskörper und einen Düsenkörper
|
|
US3600010A
(en)
*
|
1969-04-01 |
1971-08-17 |
Williamson Inc T |
Pipe coupling
|
|
US3684016A
(en)
*
|
1970-04-03 |
1972-08-15 |
Gray Tool Co |
Method and apparatus for installing an insertable hanger shoulder ring in a wellhead
|
|
US3753471A
(en)
*
|
1971-04-12 |
1973-08-21 |
Baker Oil Tools Inc |
Disconnectible torque and drilling weight transmission apparatus for drill bits
|
|
US3718350A
(en)
*
|
1971-09-27 |
1973-02-27 |
Gen Motors Corp |
Snap ring coupling
|
|
US3776576A
(en)
*
|
1972-04-06 |
1973-12-04 |
Price Brothers Co |
Pipe assembly
|
|
US3773360A
(en)
*
|
1972-09-01 |
1973-11-20 |
W Timbers |
Quick disconnect coupling
|
|
US4165622A
(en)
*
|
1976-04-30 |
1979-08-28 |
Bourns, Inc. |
Releasable locking and sealing assembly
|
|
US4229950A
(en)
*
|
1979-03-02 |
1980-10-28 |
Eastman Kodak Company |
Coupling for end gudgeon and internally heated roller
|
|
US4320993A
(en)
*
|
1980-07-28 |
1982-03-23 |
Conoco Inc. |
Tension leg platform mooring tether connector
|
|
US4524505A
(en)
*
|
1981-03-12 |
1985-06-25 |
American Cast Iron Pipe Company |
Method of assembling a pipe joint
|
|
US4428604A
(en)
|
1981-03-12 |
1984-01-31 |
American Cast Iron Pipe Company |
Restrained pipe joint and associated snap-ring
|
|
US4456288A
(en)
*
|
1981-03-12 |
1984-06-26 |
American Cast Iron Pipe Company |
Snap ring and restrained pipe joint using said snap-ring
|
|
US4830408A
(en)
*
|
1981-06-05 |
1989-05-16 |
Dril-Quip, Inc. |
Connector assembly
|
|
US4429904A
(en)
|
1981-07-06 |
1984-02-07 |
Dril-Quip, Inc. |
Self-aligning connector
|
|
US4662656A
(en)
*
|
1983-09-09 |
1987-05-05 |
Foster-Miller, Inc. |
Pipeline coupling
|
|
US4643466A
(en)
*
|
1984-03-29 |
1987-02-17 |
American Cast Iron Pipe Company |
Pipe joint assembly with snap ring and associated method
|
|
US4733890A
(en)
*
|
1984-07-09 |
1988-03-29 |
Stratoflex, Inc. |
Formed fluid coupling apparatus
|
|
US4653778A
(en)
*
|
1985-06-17 |
1987-03-31 |
Vetco Gray Inc |
Lockdown connector for mudline wellhead tieback adaptor
|
|
US4685708A
(en)
*
|
1986-03-07 |
1987-08-11 |
American Cast Iron Pipe Company |
Axially restrained pipe joint with improved locking ring structure
|
|
GB8630850D0
(en)
*
|
1986-12-24 |
1987-02-04 |
Pond Ltd R J |
Pipeline joint
|
|
US5176413A
(en)
*
|
1988-11-30 |
1993-01-05 |
Stig Westman |
Anchoring means for pipes with rhomboid-shaped grip ring
|
|
DE3930245A1
(de)
*
|
1989-09-11 |
1991-03-14 |
Otto Zettl |
Kupplungseinrichtung fuer modulare werkzeugsysteme
|
|
US5816625A
(en)
*
|
1997-08-14 |
1998-10-06 |
Clarke; Robert H. |
Quick release coupling with spacer ring to align spline rod
|
|
US5984001A
(en)
*
|
1997-09-25 |
1999-11-16 |
Brown Fintube Company |
Tapered split ring shell closure
|
|
US20070034274A1
(en)
*
|
2000-07-27 |
2007-02-15 |
Proteus, Inc. |
Extrusion apparatus
|
|
AU2002309226B2
(en)
*
|
2002-05-30 |
2008-09-18 |
Arkal Filtration Systems C.S. Ltd. |
Pipe coupling
|
|
US20040124635A1
(en)
*
|
2002-09-18 |
2004-07-01 |
Checkfluid Inc. |
Removable Quick Connection
|
|
US7125054B2
(en)
*
|
2003-05-19 |
2006-10-24 |
S & B Technical Products, Inc. |
Self restraining gasket and pipe joint
|
|
US6974160B2
(en)
*
|
2003-05-19 |
2005-12-13 |
S&B Technical Products, Inc. |
Self restraining gasket and pipe joint
|
|
US20050052024A1
(en)
*
|
2003-09-09 |
2005-03-10 |
Fox John Herrington |
Coupling means for multi-wall pipes or tubes
|
|
ZA200711031B
(en)
*
|
2005-06-27 |
2009-03-25 |
Au Parker Hannifin Pty Ltd |
A fluid coupling
|
|
US20090217493A1
(en)
*
|
2008-02-26 |
2009-09-03 |
Michael Greenhill |
Hoop retaining ring
|
|
EP2133614B1
(en)
|
2008-06-13 |
2011-01-05 |
Desbeck N.V. |
Pipe coupling
|
|
US8336970B2
(en)
*
|
2008-12-16 |
2012-12-25 |
Caterpillar Inc. |
Link and link assembly for track-type machine
|
|
US9714547B2
(en)
*
|
2008-12-29 |
2017-07-25 |
Diamond Offshore Drilling, Inc. |
Marine drilling riser connector with removable shear elements
|
|
CN102301172B
(zh)
|
2009-01-27 |
2014-04-09 |
株式会社久保田 |
管接头
|
|
AR079311A1
(es)
*
|
2010-07-06 |
2012-01-18 |
Duratex Sa |
Sistema de conexion de un aparato hidraulico a una tuberia de material plastico
|
|
GB201014511D0
(en)
|
2010-09-01 |
2010-10-13 |
Herrera Derek |
Drill pipe connection
|
|
BR112013008220A2
(pt)
*
|
2010-10-05 |
2016-06-21 |
Subsea Company |
conector de tubo
|
|
EP2652264A4
(en)
|
2010-12-17 |
2015-05-06 |
Halliburton Energy Services Inc |
BOHRLOCHPERFORATION WITH DETERMINATION OF BOHRLOCHCHE PROPERTIES
|
|
US8985200B2
(en)
|
2010-12-17 |
2015-03-24 |
Halliburton Energy Services, Inc. |
Sensing shock during well perforating
|
|
RU2549644C2
(ru)
|
2011-06-17 |
2015-04-27 |
Дэвид Л. Эбни, Инк. |
Скважинный инструмент с герметизированным каналом, проходящим через множество секций
|
|
US9091152B2
(en)
|
2011-08-31 |
2015-07-28 |
Halliburton Energy Services, Inc. |
Perforating gun with internal shock mitigation
|
|
US9016385B2
(en)
*
|
2013-02-20 |
2015-04-28 |
Halliburton Energy Services, Inc. |
Securing connections in alternate path well screens
|
|
JP6112918B2
(ja)
*
|
2013-03-12 |
2017-04-12 |
株式会社大林組 |
土木工事用パイプ連結構造
|
|
US10550979B2
(en)
*
|
2017-02-02 |
2020-02-04 |
North American Pipe Corporation |
System for conduit squeeze retainer
|
|
US10746335B2
(en)
*
|
2017-02-14 |
2020-08-18 |
North American Pipe Corporation |
System, method and apparatus for ramped retainer for a pipe
|
|
CA3017732C
(en)
|
2017-09-18 |
2021-02-16 |
North American Pipe Corporation |
System, method and apparatus for debris shield for squeeze-activated retainer for a conduit
|
|
CN111911718A
(zh)
*
|
2019-05-08 |
2020-11-10 |
北京韩建河山管业股份有限公司 |
一种钢制承插口管道限制接头
|