B66C 3/06
Grabs actuated by a single rope or chain
B66C3/06 (Grabs actuated by a single rope or chain) appears on 19 US grants and 10 published applications in this corpus.
Search patents in B66C- Granted patents
- 19
- Published applications
- 10
- Assignees
- 11
- Inventors
- 33
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 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 | 0 | 1 |
| 2013 | 0 | 0 |
| 2014 | 0 | 1 |
| 2015 | 1 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 1 | 2 |
| 2019 | 2 | 1 |
| 2020 | 0 | 0 |
| 2021 | 1 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 0 | 0 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Level cut clamshell bucket assembly21 Apr 2026US 12,606,421 B2Cable Arm, Inc.
- Slurry wall grab having a hybrid drive22 Jun 2021US 11,041,283 B2Liebherr-Werk Nenzing GmbH
- Power bucket4 Jun 2019US 10,308,484 B2
- Sample collection apparatus14 May 2019US 10,288,533 B2Korea Institute of Ocean Science & Technology
- Fish culling clip30 Oct 2018US 10,111,412 B1
- Deep Foundation Excavator13 Aug 2026US 2026/0234897 A1Hitachi Construction Machinery Co., Ltd.
- Floating lift19 Dec 2024US 2024/0417223 A1Basta IP Inc.
- Level cut clamshell bucket assembly14 Dec 2023US 2023/0399204 A1Cable Arm, Inc.
- Slurry wall grab having a hybrid drive2 May 2019US 2019/0127948 A1Liebherr-Werk Nenzing GmbH
- Power bucket29 Nov 2018US 2018/0339887 A1
Most cited
By later US patents
- Clamshell bucket apparatus14US 3,934,917 AMcGinnes Manufacturing Company · 1976
- Single line deep-sea bucket and release12US 4,373,278 A1983
- Portable claw device12US 5,611,587 A1997
- Remote controlled clamshell bucket apparatus and method of using same11US 4,381,872 AMcGinnes Manufacturing Company · 1983
- Single-line clamshell bucket10US 5,443,294 AHawco Manufacturing Co. · 1995