E02D 7/08
Drop drivers with free-falling hammer
Official title: Drop drivers with free-falling hammer {(E02D7/10 takes precedence)}
E02D7/08 (Drop drivers with free-falling hammer) appears on 72 US grants and 43 published applications in this corpus.
Search patents in E02D- Granted patents
- 72
- Published applications
- 43
- Assignees
- 40
- Inventors
- 115
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 4 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 2 | 2 |
| 2009 | 0 | 3 |
| 2010 | 3 | 1 |
| 2011 | 0 | 1 |
| 2012 | 2 | 1 |
| 2013 | 1 | 2 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 3 | 4 |
| 2017 | 1 | 1 |
| 2018 | 0 | 5 |
| 2019 | 2 | 2 |
| 2020 | 2 | 3 |
| 2021 | 3 | 3 |
| 2022 | 1 | 6 |
| 2023 | 4 | 0 |
| 2024 | 4 | 2 |
| 2025 | 3 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Drop hammer systems and methods for driving elongate members into the earth28 Jul 2026US 12,692,677 B1
- Industrial robot comprising an axle drive with a compact construction14 Apr 2026US 12,600,028 B2
- Pile-driver and method13 May 2025US 12,297,618 B2Iqip Holding B.V.
- Hammering device and a method for operating a hammering device1 Apr 2025US 12,264,454 B2Fractum ApS
- Ram block arrangement and piling hammer using electric machine4 Feb 2025US 12,215,478 B2Junttan Oy
- Pile driving system30 Apr 2026US 2026/0117481 A1
- Pile driving system and vessel30 Jan 2025US 2025/0034826 A1Itrec B V
- A hammering device and a method for operating a hammering device9 Jan 2025US 2025/0012045 A1Fractum ApS
- Ram block arrangement and piling hammer using electric machine26 Dec 2024US 2024/0426070 A1Junttan Oy
- Industrial robot comprising an axle drive with a compact construction26 Sep 2024US 2024/0316758 A1
Most cited
By later US patents
- Transformer for arc and plasma setups having broad current adjustment range44US 4,737,704 A1988
- Automatic drive hammer system and method for use thereof29US 4,993,500 AMobile Drilling Company, Inc. · 1991
- Pile driver21US 4,421,180 A1983
- Pile driving device20US 4,102,408 A1978
- Apparatus and method for driving bulb piles19US 3,938,595 ARaymond International Inc. · 1976