E02F 3/47
With grab buckets
Official title: with grab buckets (grab equipment for cranes B66C)
E02F3/47 (With grab buckets) appears on 40 US grants and 37 published applications in this corpus.
Search patents in E02F- Granted patents
- 40
- Published applications
- 37
- Assignees
- 25
- Inventors
- 89
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 1 |
| 2006 | 1 | 1 |
| 2007 | 1 | 0 |
| 2008 | 0 | 3 |
| 2009 | 2 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 1 | 1 |
| 2014 | 0 | 2 |
| 2015 | 0 | 2 |
| 2016 | 2 | 1 |
| 2017 | 2 | 2 |
| 2018 | 1 | 3 |
| 2019 | 5 | 2 |
| 2020 | 0 | 1 |
| 2021 | 1 | 3 |
| 2022 | 1 | 3 |
| 2023 | 0 | 0 |
| 2024 | 1 | 6 |
| 2025 | 4 | 3 |
| 2026 | 4 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Grab device and method for operating a grab device15 Sep 2026US 12,735,857 B2BAUER Maschinen GmbH
- Construction method and arrangement for carrying out a construction project4 Aug 2026US 12,700,049 B2BAUER Spezialtiefbau GmbH
- Work implement with a mechanical diaphragm wall gripper and method for carrying out a working step of such a work implement19 May 2026US 12,630,999 B2Liebherr-Werk Nenzing GmbH
- Measuring arrangement and removal device with a measuring arrangement13 Jan 2026US 12,522,997 B2BAUER Maschinen GmbH
- Deep foundation excavator7 Oct 2025US 12,435,486 B2Hitachi Construction Machinery Co., Ltd.
- Deep Foundation Excavator13 Aug 2026US 2026/0234897 A1Hitachi Construction Machinery Co., Ltd.
- Trench wall device and method for creating a trench in the ground11 Sep 2025US 2025/0283293 A1BAUER Maschinen GmbH
- Grab device and method for operating a grab device1 May 2025US 2025/0137225 A1BAUER Maschinen GmbH
- Civil engineering device and method for operating a civil engineering device27 Feb 2025US 2025/0067018 A1BAUER Maschinen GmbH
- Grab device and method for operating a grab device10 Oct 2024US 2024/0337088 A1BAUER Maschinen GmbH
Most cited
By later US patents
- Remote controlled self-powered excavator apparatus16US 4,526,413 A1985
- Excavating equipment fitted with surface clamps14US 5,836,089 A1998
- Method and apparatus for excavating underpinning holes11US 4,106,225 ASchnabel Foundation Company · 1978
- Process and a device for exactly holding the vertical excavating direction of a diaphragm wall11US 5,707,182 AStahlund Apparatebau Hans Leffer GmbH · 1998
- Industrial machine component detection and performance control11US 9,611,625 B2Harnischfeger Technologies, Inc. · 2017