B66D 5/24
Operating devices
B66D5/24 (Operating devices) appears on 235 US grants and 198 published applications in this corpus.
Search patents in B66D- Granted patents
- 235
- Published applications
- 198
- Assignees
- 124
- Inventors
- 509
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 0 | 0 |
| 1978 | 3 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 8 | 0 |
| 1985 | 9 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 0 | 0 |
| 1991 | 3 | 0 |
| 1992 | 6 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 5 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 3 |
| 2003 | 3 | 3 |
| 2004 | 1 | 2 |
| 2005 | 0 | 6 |
| 2006 | 4 | 3 |
| 2007 | 3 | 6 |
| 2008 | 4 | 7 |
| 2009 | 4 | 7 |
| 2010 | 5 | 7 |
| 2011 | 5 | 8 |
| 2012 | 7 | 8 |
| 2013 | 2 | 4 |
| 2014 | 5 | 8 |
| 2015 | 7 | 13 |
| 2016 | 9 | 12 |
| 2017 | 12 | 22 |
| 2018 | 17 | 14 |
| 2019 | 17 | 7 |
| 2020 | 7 | 14 |
| 2021 | 11 | 10 |
| 2022 | 6 | 10 |
| 2023 | 6 | 7 |
| 2024 | 10 | 3 |
| 2025 | 2 | 4 |
| 2026 | 4 | 9 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Hoist system and process implementing an emergency stopping brake2 Jun 2026US 12,643,775 B2Breeze-Eastern LLC
- Electromagnetic brake24 Mar 2026US 12,584,530 B2Konecranes Global Corporation
- Brake static plate assembly, brake and elevator system10 Mar 2026US 12,570,498 B2Otis Elevator Company
- Pneumatic load balancing system and method3 Mar 2026US 12,565,407 B2Staccato Technologies AB
- Winch brake device30 Dec 2025US 12,509,333 B2Sumitomo Heavy Industries Construction Cranes Co., Ltd.
- Brake wear detection30 Jul 2026US 2026/0217494 A1Otis Elevator Company
- Disc Brake for a Hoist, Combining a Positive Brake and a Negative Brake25 Jun 2026US 2026/0177121 A1Stromag France SAS
- Gearless elevator drive system and elevator system comprising a gearless elevator drive system30 Apr 2026US 2026/0116706 A1Otis Elevator Company
- Drawworks Hydraulic Brake Performance Assessment System30 Apr 2026US 2026/0116713 A1
- Winch control device and crane comprising same26 Mar 2026US 2026/0084938 A1Kobelco Construction Machinery Co., Ltd.
Most cited
By later US patents
- Drilling rig drawworks hook load overspeed preventing system86US 4,434,971 AArmco Inc. · 1984
- Control system for drawworks operations74US 6,029,951 AVarco International, Inc. · 2000
- Single failure proof crane44US 4,175,727 AEderer Incorporated · 1979
- Apparatus for monitoring elevator brakes41US 5,419,415 AInventio AG · 1995
- Electronic winch monitoring system38US 7,063,306 B2PACCAR Inc · 2006