E21B 19/168
Using a spinner with rollers or a belt adapted to engage a
Official title: {using a spinner with rollers or a belt adapted to engage a well pipe}
E21B19/168 (Using a spinner with rollers or a belt adapted to engage a) appears on 109 US grants and 87 published applications in this corpus.
Search patents in E21B- Granted patents
- 109
- Published applications
- 87
- Assignees
- 54
- Inventors
- 178
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 4 |
| 2004 | 1 | 1 |
| 2005 | 1 | 4 |
| 2006 | 4 | 2 |
| 2007 | 3 | 1 |
| 2008 | 1 | 2 |
| 2009 | 1 | 7 |
| 2010 | 2 | 0 |
| 2011 | 2 | 1 |
| 2012 | 1 | 3 |
| 2013 | 3 | 6 |
| 2014 | 2 | 4 |
| 2015 | 4 | 2 |
| 2016 | 4 | 6 |
| 2017 | 4 | 6 |
| 2018 | 3 | 7 |
| 2019 | 9 | 6 |
| 2020 | 7 | 6 |
| 2021 | 5 | 6 |
| 2022 | 7 | 2 |
| 2023 | 4 | 5 |
| 2024 | 2 | 2 |
| 2025 | 3 | 3 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Power tong apparatus and method of using same25 Aug 2026US 12,715,049 B2Premiere, Inc.
- System and method for robotic drill rod handling2 Jun 2026US 12,644,348 B2REKO Automation Group Inc.
- Latch assembly for torque management10 Jun 2025US 12,326,048 B2
- Work platform and method for well operations18 Mar 2025US 12,252,938 B2Vestre Platå Invest AS
- End effector for gripping and spinning pipes11 Feb 2025US 12,221,840 B2Grant Prideco, L.P.
- Compact Spinner Assembly18 Jun 2026US 2026/0168337 A1
- Latch Assembly for Torque Management25 Sep 2025US 2025/0297521 A1
- End effector for gripping and spinning pipes8 May 2025US 2025/0146369 A1Grant Prideco, L.P.
- System and method for robotic drill rod handling13 Mar 2025US 2025/0084712 A1REKO Automation Group Inc.
- Actuation systems and related wrench tools and methods for making up and breaking out tubular connections12 Dec 2024US 2024/0410238 A1Forum US, Inc.
Most cited
By later US patents
- Apparatus for handling well pipe213US 4,765,401 AVarco International, Inc. · 1988
- Pipe spinner124US 4,221,269 A1980
- Spinner for use in connecting pipe joints86US 4,683,962 A1987
- Drill pipe connecting and disconnecting apparatus79US 7,117,938 B2Gray Eot, Inc. · 2006
- Tool for connecting and disconnecting well pipe63US 4,023,449 AVarco International, Inc. · 1977