E21B 17/1092
Gauge section of drill bits
Official title: {Gauge section of drill bits}
E21B17/1092 (Gauge section of drill bits) appears on 207 US grants and 127 published applications in this corpus.
Search patents in E21B- Granted patents
- 207
- Published applications
- 127
- Assignees
- 64
- Inventors
- 323
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 4 | 0 |
| 1992 | 7 | 0 |
| 1993 | 2 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 5 | 0 |
| 1997 | 8 | 0 |
| 1998 | 9 | 0 |
| 1999 | 13 | 0 |
| 2000 | 13 | 0 |
| 2001 | 14 | 9 |
| 2002 | 16 | 3 |
| 2003 | 2 | 5 |
| 2004 | 6 | 3 |
| 2005 | 2 | 3 |
| 2006 | 6 | 6 |
| 2007 | 3 | 8 |
| 2008 | 6 | 5 |
| 2009 | 3 | 8 |
| 2010 | 6 | 12 |
| 2011 | 6 | 3 |
| 2012 | 4 | 5 |
| 2013 | 2 | 2 |
| 2014 | 3 | 7 |
| 2015 | 2 | 5 |
| 2016 | 6 | 7 |
| 2017 | 6 | 5 |
| 2018 | 7 | 7 |
| 2019 | 6 | 7 |
| 2020 | 4 | 4 |
| 2021 | 6 | 4 |
| 2022 | 6 | 2 |
| 2023 | 4 | 3 |
| 2024 | 2 | 1 |
| 2025 | 2 | 1 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Continuous measurement gauge wear device while drilling7 Apr 2026US 12,595,705 B2King Abdullah University of Science and Technology
- Wear support assemblies for raise boring tools9 Sep 2025US 12,410,665 B2Sandvik Mining and Construction Tools AB
- Rasping shoe for non-rotational deployment of casing string27 May 2025US 12,312,879 B2Downhole Products Limited
- Drill bit with reciprocating gauge assembly12 Mar 2024US 11,927,091 B2Halliburton Energy Services.Inc.
- Gauge cutter and sampler apparatus9 Jan 2024US 11,867,012 B2Saudi Arabian Oil Company
- Fixed cutter drill bits with tailored gage pads for directional drilling2 Apr 2026US 2026/0092501 A1Grant Prideco, L.P.
- Fixed cutter drill bits including cutter elements with variable exposures26 Feb 2026US 2026/0055667 A1Grant Prideco, L.P.
- Continuous drilling tools gauge wear logging while drilling24 Apr 2025US 2025/0129674 A1King Abdullah University of Science and Technology
- Rasping shoe for non-rotational deployment of casing string11 Jan 2024US 2024/0011359 A1Downhole Products Limited
- Wear support assemblies for raise boring tools6 Jul 2023US 2023/0212916 A1Sandvik Mining and Construction Tools AB
Most cited
By later US patents
- Wellbore milling and drilling190US 5,887,655 AWeatherford/Lamb, Inc. · 1999
- Asymmetric diamond impregnated drill bit187US 6,474,425 B1Smith International, Inc. · 2002
- Wellbore milling-- drilling166US 5,887,668 AWeatherford/Lamb, Inc. · 1999
- Rotary drill bits162US 5,186,268 ACamco Drilling Group Limited · 1993
- Centered-leg roller cone drill bit157US 6,439,326 B1Smith International, Inc. · 2002