F03B 13/02
Adaptations for drilling wells
F03B13/02 (Adaptations for drilling wells) appears on 135 US grants and 119 published applications in this corpus.
Search patents in F03B- Granted patents
- 135
- Published applications
- 119
- Assignees
- 60
- Inventors
- 269
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 3 | 0 |
| 1986 | 2 | 0 |
| 1987 | 4 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 1 | 2 |
| 2007 | 2 | 2 |
| 2008 | 1 | 3 |
| 2009 | 1 | 2 |
| 2010 | 0 | 9 |
| 2011 | 7 | 4 |
| 2012 | 2 | 6 |
| 2013 | 9 | 4 |
| 2014 | 8 | 5 |
| 2015 | 3 | 13 |
| 2016 | 7 | 10 |
| 2017 | 8 | 3 |
| 2018 | 2 | 7 |
| 2019 | 8 | 5 |
| 2020 | 4 | 2 |
| 2021 | 2 | 5 |
| 2022 | 6 | 5 |
| 2023 | 7 | 11 |
| 2024 | 7 | 7 |
| 2025 | 10 | 6 |
| 2026 | 6 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Downhole autonomous inflow control device8 Sep 2026US 12,729,601 B1Saudi Arabian Oil Company
- Hydraulic motor14 Jul 2026US 12,680,384 B2
- Downhole reamer with rotating sleeve17 Mar 2026US 12,577,838 B2
- System, method and apparatus for generating electric power from subsurface wells17 Mar 2026US 12,577,853 B2
- Submersible, high-voltage electrical connector10 Mar 2026US 12,573,789 B2
- Downhole autonomous inflow control device10 Sep 2026US 2026/0266158 A1Saudi Arabian Oil Company
- System, Method and Apparatus for Generating Electric Power from Subsurface Wells23 Jul 2026US 2026/0210211 A1
- Flow Reversing Pump Apparatus23 Jul 2026US 2026/0210323 A1
- Electrical Power Generation Using Reversible ESP Pump for Unconventional Wells9 Jul 2026US 2026/0193965 A1Baker Hughes Oilfield Operations LLC
- Joint for downhole motor23 Apr 2026US 2026/0110221 A1
Most cited
By later US patents
- Well drilling tool with diamond radial/thrust bearings383US 4,410,054 AMaurer Engineering Inc. · 1983
- Apparatus for reducing annular back pressure near the drill bit104US 4,049,066 A1977
- Well drilling tool with diamond thrust bearings95US 4,620,601 AMaurer Engineering Inc. · 1986
- Controlling activation of devices76US 6,433,991 B1Schlumberger Technology Corporation · 2002
- Wellhead pressure reduction and electrical power generation75US 8,680,704 B1Taylor Valve Technology, Inc. · 2014