E21B 7/265
Combined with earth removal
Official title: {Combined with earth removal}
E21B7/265 (Combined with earth removal) appears on 12 US grants and 7 published applications in this corpus.
Search patents in E21B- Granted patents
- 12
- Published applications
- 7
- Assignees
- 7
- Inventors
- 49
- Latest grant
- 8 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 2 | 1 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Device for laying pipes in the ground8 Oct 2024US 12,110,795 B2Spiderplow Rohr—& Kabelpflug GmbH
- Drilling bucket and method for drilling a bore hole14 Feb 2017US 9,567,806 B2BAUER Spezialtiefbau GmbH
- Kinetic penetrator with a retrieval tether7 Feb 2017US 9,562,396 B2Elwha LLC
- Drilling rig and drilling method4 Dec 2012US 8,322,458 B2BAUER Maschinen GmbH
- Wireline system for multiple direct push tool usage11 Nov 2003US 6,644,423 B2Applied Research Associates, Inc.
- Device for laying pipes in the ground8 Aug 2024US 2024/0263524 A1Spiderplow Rohr—& Kabelpflug GmbH
- Foundation machine equipped with a system for the recognition of a human figure14 Sep 2023US 2023/0287658 A1
- Kinetic penetrator with a retrieval tether4 May 2017US 2017/0122035 A1Elwha LLC
- Kinetic penetrator with a retrieval tether26 Feb 2015US 2015/0053481 A1Elwha LLC
- Drilling bucket and method for drilling a bore hole6 Feb 2014US 2014/0034385 A1BAUER Spezialtiefbau GmbH
Most cited
By later US patents
- Subsurface barrier wall and method of installation39US 5,800,096 A1998
- Sonic drilling method and apparatus38US 5,549,170 A1996
- Convertible vibratory or rotary core drill apparatus29US 5,058,688 AMeta-Probe Inc. · 1991
- Kinetic penetrator with a retrieval tether14US 9,562,396 B2Elwha LLC · 2017
- Post hole digger11US 6,439,629 B12002