E21B 10/006
Providing a cutting edge which is self-renewable during drilling
Official title: {providing a cutting edge which is self-renewable during drilling}
E21B10/006 (Providing a cutting edge which is self-renewable during drilling) appears on 42 US grants and 22 published applications in this corpus.
Search patents in E21B- Granted patents
- 42
- Published applications
- 22
- Assignees
- 20
- Inventors
- 76
- Latest grant
- 25 Feb 2020
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 4 | 1 |
| 2002 | 1 | 1 |
| 2003 | 2 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 1 |
| 2010 | 0 | 3 |
| 2011 | 2 | 3 |
| 2012 | 0 | 2 |
| 2013 | 0 | 1 |
| 2014 | 2 | 1 |
| 2015 | 2 | 4 |
| 2016 | 1 | 0 |
| 2017 | 1 | 0 |
| 2018 | 1 | 0 |
| 2019 | 0 | 1 |
| 2020 | 1 | 1 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Cutting elements configured to reduce impact damage and mitigate polycrystalline, superabrasive material failure earth-boring tools including such cutting elements, and related methods25 Feb 2020US 10,570,668 B2Baker Hughes, A Ge Company, LLC
- Methods of forming and repairing earth-boring tools including replaceable cutting structures23 Oct 2018US 10,107,044 B2Baker Hughes Incorporated
- Cutting elements including polycrystalline diamond compacts for earth-boring tools26 Dec 2017US 9,849,561 B2Baker Hughes Incorporated
- Self-sharpening cutting elements, earth-boring tools including such cutting elements, and methods of forming such cutting elements7 Jun 2016US 9,359,828 B2Baker Hughes Incorporated
- Earth-boring tools including replaceable cutting structures and related methods25 Aug 2015US 9,115,554 B2Baker Hughes Incorporated
- High speed drilling system and methods of using same5 May 2022US 2022/0136329 A1Bly IP Inc.
- Cutting elements configured to reduce impact damage and mitigate polycrystalline, superabrasive material failure earth-boring tools including such cutting elements, and related methods30 Jan 2020US 2020/0032589 A1Baker Hughes, A Ge Company, LLC
- Methods of forming earth-boring tools including replaceable cutting structures21 Feb 2019US 2019/0055790 A1Baker Hughes, A Ge Company, LLC
- Methods of forming and repairing earth-boring tools including replaceable cutting structures3 Dec 2015US 2015/0345230 A1Baker Hughes Incorporated
- Drill bit having regenerative nanofilms24 Sep 2015US 2015/0267472 A1Halliburton Energy Services.Inc.
Most cited
By later US patents
- Wellbore milling-- drilling166US 5,887,668 AWeatherford/Lamb, Inc. · 1999
- Drill bit162US 4,128,136 ALamage Limited · 1978
- Abrasive member125US 4,114,322 A1978
- Composite cermet articles and method of making94US 5,679,445 AKennametal Inc. · 1997
- Method of using composite cermet articles91US 5,806,934 AKennametal Inc. · 1998