E21B 10/086
With excentric movement
Official title: {with excentric movement}
E21B10/086 (With excentric movement) appears on 19 US grants and 16 published applications in this corpus.
Search patents in E21B- Granted patents
- 19
- Published applications
- 16
- Assignees
- 10
- Inventors
- 39
- Latest grant
- 12 Apr 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 1 | 0 |
| 2006 | 0 | 4 |
| 2007 | 2 | 0 |
| 2008 | 1 | 2 |
| 2009 | 2 | 1 |
| 2010 | 2 | 1 |
| 2011 | 2 | 1 |
| 2012 | 0 | 2 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 1 |
| 2017 | 1 | 0 |
| 2018 | 1 | 2 |
| 2019 | 0 | 1 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Slide reamer and stabilizer tool12 Apr 2022US 11,299,936 B2Dynomax Drilling Tools Inc.
- Slide reamer and stabilizer tool6 Oct 2020US 10,794,117 B2Dynomax Drilling Tools Inc.
- Slide reamer and stabilizer tool30 Oct 2018US 10,113,367 B2Dynomax Drilling Tools Inc.
- Slide reamer and stabilizer tool12 Dec 2017US 9,840,875 B2Dynomax Drilling Tools Inc.
- Slide reamer and stabilizer tool13 Oct 2015US 9,157,281 B2Dynomax Drilling Tools Inc.
- Slide reamer and stabilizer tool21 Jan 2021US 2021/0017814 A1Dynomax Drilling Tools Inc.
- Slide reamer and stabilizer tool25 Jul 2019US 2019/0226284 A1Dynomax Drilling Tools Inc.
- Bi-Axial Drill Bits and Bit Adaptors18 Oct 2018US 2018/0298697 A1Tercel Oilfield Products USA LLC
- Slide reamer and stabilizer tool3 May 2018US 2018/0119495 A1Dynomax Drilling Tools Inc.
- Slide reamer and stabilizer tool25 Feb 2016US 2016/0053548 A1Dynomax Drilling Tools Inc.
Most cited
By later US patents
- Roller cone bi-center bit48US 6,902,014 B1Rock Bit L.P. · 2005
- Conformal bearing for rock drill bit36US 7,861,805 B2Baker Hughes Incorporated · 2011
- Rock cutting tool having eccentric drive30US 5,190,353 A1993
- Slide reamer and stabilizer tool28US 9,840,875 B2Dynomax Drilling Tools Inc. · 2017
- System for lining a section of a wellbore17US 7,172,025 B2Shell Oil Company · 2007