E21B 17/1007
For the internal surface of a pipe
Official title: {for the internal surface of a pipe, e.g. wear bushings for underwater well-heads}
E21B17/1007 (For the internal surface of a pipe) appears on 215 US grants and 176 published applications in this corpus.
Search patents in E21B- Granted patents
- 215
- Published applications
- 176
- Assignees
- 95
- Inventors
- 328
- Latest grant
- 24 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 3 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 3 | 0 |
| 1986 | 4 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 7 | 0 |
| 1997 | 3 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 7 | 0 |
| 2002 | 3 | 6 |
| 2003 | 4 | 7 |
| 2004 | 8 | 7 |
| 2005 | 3 | 6 |
| 2006 | 4 | 3 |
| 2007 | 4 | 6 |
| 2008 | 4 | 6 |
| 2009 | 5 | 3 |
| 2010 | 5 | 5 |
| 2011 | 5 | 11 |
| 2012 | 9 | 5 |
| 2013 | 8 | 4 |
| 2014 | 1 | 7 |
| 2015 | 7 | 7 |
| 2016 | 6 | 9 |
| 2017 | 5 | 6 |
| 2018 | 6 | 5 |
| 2019 | 4 | 7 |
| 2020 | 12 | 13 |
| 2021 | 12 | 16 |
| 2022 | 14 | 12 |
| 2023 | 17 | 15 |
| 2024 | 5 | 3 |
| 2025 | 6 | 4 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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- Sonde centralization inside a collar29 Jan 2026US 2026/0028885 A1Halliburton Energy Services.Inc.
- Rotating and reciprocating swivel apparatus and method31 Jul 2025US 2025/0243727 A1Mako Rentals, Inc.
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Most cited
By later US patents
- Insulated and/or concentric coiled tubing429US 6,015,015 ABJ Services Company, U.S.A. · 2000
- Blowout preventer protector and method of using same135US 6,364,024 B12002
- Methods and systems for subterranean multilateral well drilling and completion106US 5,564,503 AHalliburton Company · 1996
- Blowout preventer protector and setting tool105US 6,289,993 B12001
- Methods and systems for subterranean multilateral well drilling and completion99US 5,735,350 AHalliburton Energy Services.Inc. · 1998