E02F 5/305
Arrangements for breaking-up hard ground
Official title: {Arrangements for breaking-up hard ground (E02F5/32 takes precedence; hammer-type tools E02F3/966; breaking-up paving of roads or the like E01C23/12; breaking-up subaqueous rock E02B3/02)}
E02F5/305 (Arrangements for breaking-up hard ground) appears on 33 US grants and 30 published applications in this corpus.
Search patents in E02F- Granted patents
- 33
- Published applications
- 30
- Assignees
- 17
- Inventors
- 63
- Latest grant
- 1 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 0 | 0 |
| 2006 | 2 | 2 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 1 | 1 |
| 2012 | 1 | 1 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 2 | 4 |
| 2018 | 1 | 2 |
| 2019 | 3 | 2 |
| 2020 | 3 | 1 |
| 2021 | 0 | 2 |
| 2022 | 1 | 1 |
| 2023 | 3 | 3 |
| 2024 | 0 | 2 |
| 2025 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Percussion device and method for controlling the same1 Jul 2025US 12,345,020 B2Sandvik Mining and Construction Oy
- Impact controller for primary rock breakage29 Apr 2025US 12,286,883 B1
- Reciprocating impact hammer4 Feb 2025US 12,215,480 B2Terminator IP Limited
- Specialty concrete remover24 Oct 2023US 11,795,656 B2
- Rock claw for demolition hammer13 Jun 2023US RE49,552 E1Caterpillar Inc.
- Reciprocating impact hammer16 Oct 2025US 2025/0320690 A1Terminator IP Limited
- Percussion device and method for controlling the same11 Jul 2024US 2024/0229420 A9Sandvik Mining and Construction Oy
- Percussion device and method for controlling the same25 Apr 2024US 2024/0133158 A1Sandvik Mining and Construction Oy
- Reciprocating impact hammer7 Sep 2023US 2023/0279637 A1Terminator IP Limited
- Excavator bucket with vibrating teeth22 Jun 2023US 2023/0193587 A1
Most cited
By later US patents
- High pressure fluid jet apparatus for cutting and removing pavement19US 4,683,684 AElectric Power Research Institute, Inc. · 1987
- Cutter head with cutting members that rotate relative to each other17US 6,003,953 A1999
- Rock breaking device11US 4,759,412 A1988
- Bucket level9US 6,662,480 B12003
- Hydraulic breaker assembly9US 8,146,677 B22012