E21B 19/164
Motor actuated
Official title: {motor actuated (E21B19/162 and E21B19/163 take precedence)}
E21B19/164 (Motor actuated) appears on 281 US grants and 209 published applications in this corpus.
Search patents in E21B- Granted patents
- 281
- Published applications
- 209
- Assignees
- 96
- Inventors
- 346
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 3 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 6 | 0 |
| 1982 | 5 | 0 |
| 1983 | 4 | 0 |
| 1984 | 10 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 10 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 5 | 0 |
| 2001 | 7 | 1 |
| 2002 | 8 | 9 |
| 2003 | 4 | 7 |
| 2004 | 10 | 10 |
| 2005 | 6 | 16 |
| 2006 | 12 | 9 |
| 2007 | 10 | 3 |
| 2008 | 3 | 10 |
| 2009 | 4 | 8 |
| 2010 | 5 | 7 |
| 2011 | 9 | 9 |
| 2012 | 6 | 5 |
| 2013 | 8 | 9 |
| 2014 | 5 | 10 |
| 2015 | 3 | 11 |
| 2016 | 12 | 8 |
| 2017 | 5 | 9 |
| 2018 | 11 | 13 |
| 2019 | 10 | 11 |
| 2020 | 14 | 10 |
| 2021 | 7 | 12 |
| 2022 | 10 | 5 |
| 2023 | 7 | 5 |
| 2024 | 5 | 3 |
| 2025 | 6 | 3 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Drilling machine attachment for loader6 Oct 2026US 12,753,656 B2The Charles Machine Works, Inc.
- Power tong apparatus and method of using same25 Aug 2026US 12,715,049 B2Premiere, Inc.
- Iron roughneck with rotary actuator3 Feb 2026US 12,540,517 B2Canrig Robotic Technologies AS
- Dual speed linear actuator assembly30 Dec 2025US 12,509,950 B2Nabors Drilling Technologies USA, Inc.
- Torque slider tong assembly21 Oct 2025US 12,447,587 B2
- Multi-purpose robot end effector for riser running process activities24 Sep 2026US 2026/0286790 A1Grant Prideco, lnc.
- Electrical actuator with static force amplification17 Sep 2026US 2026/0275818 A1Canrig Robotic Technologies AS
- Tong manipulator system13 Aug 2026US 2026/0235001 A1Columbia Industries, Inc.
- Casing Pipe Coupling Systems and Methods of Coupling Casing Pipes16 Jul 2026US 2026/0201759 A1
- Dual Speed Linear Actuator Assembly21 May 2026US 2026/0139556 A1Nabors Drilling Technologies USA, Inc.
Most cited
By later US patents
- Pipe running tool166US 6,443,241 B1Varco I/P, Inc. · 2002
- Wellbore circulation system136US 6,412,554 B1Weatherford/Lamb, Inc. · 2002
- Tong with floating jaws107US 5,207,128 AWeatherford-Petco, Inc. · 1993
- Compensating jaw assembly for power tongs104US 4,709,599 A1987
- Dual camming action jaw assembly and power tong100US 4,437,363 AJoy Manufacturing Company · 1984