E02D 7/12
Drivers with explosion chambers
E02D7/12 (Drivers with explosion chambers) appears on 42 US grants and 31 published applications in this corpus.
Search patents in E02D- Granted patents
- 42
- Published applications
- 31
- Assignees
- 27
- Inventors
- 59
- Latest grant
- 22 Oct 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 9 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 2 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 2 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 1 |
| 2012 | 1 | 2 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 1 | 6 |
| 2016 | 1 | 4 |
| 2017 | 2 | 1 |
| 2018 | 1 | 2 |
| 2019 | 2 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 2 |
| 2023 | 2 | 0 |
| 2024 | 2 | 0 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Pile driving methods and systems for driving a pile22 Oct 2024US 12,123,159 B2Itrec B V
- Air-operated hammer27 Aug 2024US 12,071,738 B2Equipment Company of America
- Pumping unit bases with driven piles12 Sep 2023US 11,753,789 B2Weatherford Technology Holdings, LLC
- Construction device and method for operating a construction device4 Apr 2023US 11,619,021 B2BAUER Spezialtiefbau GmbH
- Pumping unit bases with driven piles26 Jan 2021US 10,900,193 B2Weatherford Technology Holdings, LLC
- Pile driving system and vessel30 Jan 2025US 2025/0034826 A1Itrec B V
- Air-operated hammer16 Jun 2022US 2022/0186455 A1Equipment Company of America
- Pile driving methods and systems for driving a pile3 Mar 2022US 2022/0064890 A1Itrec B V
- Pumping unit bases with driven piles6 May 2021US 2021/0131056 A1Weatherford Technology Holdings, LLC
- Construction device and method for operating a construction device10 Dec 2020US 2020/0385948 A1BAUER Spezialtiefbau GmbH
Most cited
By later US patents
- Method for the cold start of a free-piston engine; and free-piston engine adapted for use of this method30US 5,540,193 AInnas Free Piston B.V. · 1996
- Pile-driving ram and method of controlling the same26US 4,109,475 AVan Kooten B.V. · 1978
- Diesel hammer systems and methods23US 6,736,218 B1American Piledriving Equipment, Inc. · 2004
- Interchangeable ram diesel pile21US 4,497,376 AMKT Geotechnical Systems · 1985
- Diesel hammer systems and methods21US 6,988,564 B2American Piledriving Equipment, Inc. · 2006