B66D 1/54
Safety gear
B66D1/54 (Safety gear) appears on 402 US grants and 330 published applications in this corpus.
Search patents in B66D- Granted patents
- 402
- Published applications
- 330
- Assignees
- 247
- Inventors
- 759
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 9 | 0 |
| 1977 | 7 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 7 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 9 | 0 |
| 1985 | 6 | 0 |
| 1986 | 7 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 3 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 5 | 0 |
| 1999 | 3 | 0 |
| 2000 | 8 | 0 |
| 2001 | 1 | 0 |
| 2002 | 7 | 6 |
| 2003 | 6 | 5 |
| 2004 | 2 | 6 |
| 2005 | 4 | 7 |
| 2006 | 6 | 6 |
| 2007 | 8 | 7 |
| 2008 | 7 | 12 |
| 2009 | 6 | 7 |
| 2010 | 8 | 9 |
| 2011 | 8 | 7 |
| 2012 | 2 | 9 |
| 2013 | 5 | 13 |
| 2014 | 11 | 11 |
| 2015 | 12 | 17 |
| 2016 | 12 | 24 |
| 2017 | 11 | 16 |
| 2018 | 24 | 23 |
| 2019 | 26 | 34 |
| 2020 | 26 | 24 |
| 2021 | 24 | 18 |
| 2022 | 21 | 16 |
| 2023 | 15 | 17 |
| 2024 | 8 | 15 |
| 2025 | 16 | 13 |
| 2026 | 9 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Winch monitoring method, winch monitoring device, and crane16 Jun 2026US 12,655,000 B2Kobelco Construction Machinery Co., Ltd.
- Hoist system and process implementing an emergency stopping brake2 Jun 2026US 12,643,775 B2Breeze-Eastern LLC
- Dual line drawworks2 Jun 2026US 12,644,341 B2Helmerich & Payne, Inc.
- Method for protecting a lifting member against an overload and device implementing this method5 May 2026US 12,617,657 B2Reel
- Rescue hoist cable foul protection21 Apr 2026US 12,606,425 B2Hornet Acquisitionco, LLC
- Load Stability Systems and Methods27 Aug 2026US 2026/0249992 A1
- Operation of a trailing cable27 Aug 2026US 2026/0251515 A1Innomotics GmbH
- System and method of operating a vehicle with a winch20 Aug 2026US 2026/0241861 A1GM Global Technology Operations LLC
- Deflection device for a cable comprising a cable securing element, and lifting device therewith18 Jun 2026US 2026/0167467 A1Liebherr-Werk Ehingen GmbH
- Winch system for a vehicle30 Apr 2026US 2026/0116195 A1Scout Motors Inc.
Most cited
By later US patents
- Elevating system62US 5,361,565 A1994
- Overload protection apparatus for hoisting machine53US 4,103,872 AHitachi, Ltd. · 1978
- Hoisting gear49US 6,793,203 B2Wirth Maschinen-und Bohrgeratefabrik GmbH · 2004
- Microprocessor-controlled hoist system47US 4,636,962 AColumbus McKinnon Corporation · 1987
- Lifting apparatus including overload sensing device45US 5,662,311 AHarnischfeger Corporation · 1997