Y10T 137/2934
Gas lift valves for wells
Y10T137/2934 (Gas lift valves for wells) appears on 94 US grants and 48 published applications in this corpus.
Search patents in Y10T- Granted patents
- 94
- Published applications
- 48
- Assignees
- 38
- Inventors
- 134
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 3 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 5 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 4 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 3 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 2 |
| 2002 | 1 | 2 |
| 2003 | 1 | 2 |
| 2004 | 4 | 4 |
| 2005 | 1 | 4 |
| 2006 | 2 | 1 |
| 2007 | 3 | 5 |
| 2008 | 4 | 1 |
| 2009 | 0 | 0 |
| 2010 | 2 | 1 |
| 2011 | 1 | 3 |
| 2012 | 1 | 3 |
| 2013 | 1 | 2 |
| 2014 | 2 | 1 |
| 2015 | 1 | 1 |
| 2016 | 3 | 0 |
| 2017 | 2 | 2 |
| 2018 | 2 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 2 | 5 |
| 2025 | 3 | 3 |
| 2026 | 5 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Gas lift valve having ratcheting orifice15 Sep 2026US 12,735,963 B1Weatherford Technology Holdings, LLC
- Venturi controlled unloading valve for gas lift system1 Sep 2026US 12,723,498 B2Baker Hughes Oilfield Operations LLC
- Gas lift valve remanufacturing process and apparatus produced thereby21 Jul 2026US 12,687,092 B2TRC Services, Inc.
- Tail plug and assembly for gas lift valve14 Jul 2026US 12,680,429 B2Tally Production Systems, LLC
- Injection pressure operated gas lift valve and methods of use24 Mar 2026US 12,584,389 B2Schlumberger Technology Corporation
- Gas Lift Valve Having Ratcheting Orifice1 Oct 2026US 2026/0298056 A1Weatherford Technology Holdings, LLC
- Gas Lift Valve Having Ratcheting Orifice17 Sep 2026US 2026/0275837 A1Weatherford Technology Holdings, LLC
- Venturi controlled unloading valve for gas lift system19 Feb 2026US 2026/0049542 A1Baker Hughes Oilfield Operations LLC
- Robust gas lift valve suitable for use in harsh environments11 Dec 2025US 2025/0376917 A1Liberty Lift Solutions, LLC
- Injection pressure operated gas lift valve and methods of use5 Jun 2025US 2025/0179899 A1Schlumberger Technology Corporation
Most cited
By later US patents
- Controllable gas-lift well and valve202US 6,715,550 B2Shell Oil Company · 2004
- Well control system130US 5,172,717 AOtis Engineering Corporation · 1992
- Flow control valve system113US 5,176,164 AOtis Engineering Corporation · 1993
- Variable orifice gas lift valve for high flow rates with detachable power source and method of using78US 6,070,608 ACamco International Inc. · 2000
- Method for forming remotely actuated gas lift systems and balanced valve systems made thereby74US 4,295,795 ATexaco Inc. · 1981