B66D 1/22
Planetary or differential gearings , i.e. with planet gears having movable axes
Official title: Planetary or differential gearings (for actuating grab buckets B66D1/70 ){, i.e. with planet gears having movable axes of rotation}
B66D1/22 (Planetary or differential gearings , i.e. with planet gears having movable axes) appears on 173 US grants and 163 published applications in this corpus.
Search patents in B66D- Granted patents
- 173
- Published applications
- 163
- Assignees
- 108
- Inventors
- 323
- Latest grant
- 16 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 3 | 0 |
| 1983 | 2 | 0 |
| 1984 | 7 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 2 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 3 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 2 |
| 2003 | 5 | 5 |
| 2004 | 4 | 2 |
| 2005 | 0 | 1 |
| 2006 | 1 | 4 |
| 2007 | 2 | 1 |
| 2008 | 0 | 6 |
| 2009 | 6 | 3 |
| 2010 | 8 | 8 |
| 2011 | 3 | 5 |
| 2012 | 3 | 1 |
| 2013 | 1 | 5 |
| 2014 | 2 | 4 |
| 2015 | 4 | 14 |
| 2016 | 4 | 13 |
| 2017 | 5 | 4 |
| 2018 | 16 | 16 |
| 2019 | 15 | 17 |
| 2020 | 18 | 17 |
| 2021 | 12 | 5 |
| 2022 | 4 | 6 |
| 2023 | 5 | 2 |
| 2024 | 5 | 8 |
| 2025 | 3 | 7 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Vehicle winch and vehicle having vehicle winch16 Jun 2026US 12,655,001 B2T-Max (Hangzhou) Technology Co., Ltd.
- Hoist system and process implementing an emergency stopping brake2 Jun 2026US 12,643,775 B2Breeze-Eastern LLC
- Winch with advanced electrical and mechanical smart controls28 Apr 2026US 12,612,290 B2Warn Industries, Inc.
- Method for controlling an actuation assembly9 Sep 2025US 12,411,473 B2Commissariat A L' Energie Atomique Et Aux Energies Alternatives
- Winch or hoist having a gearbox with high-contact ratio gears2 Sep 2025US 12,404,155 B2Bpg-Arrowhead Winch Inc.
- Free Fall Winch8 Oct 2026US 2026/0307954 A1Liebherr-Components Biberach GmbH
- Winch with automatic speed-changing mechanism20 Aug 2026US 2026/0242189 A1Zhejiang Normal University
- Steering mechanism of power winch clutch lever6 Aug 2026US 2026/0226947 A1Comeup Industries Inc.
- Winch system for sailing vessels4 Jun 2026US 2026/0152374 A1Antal S.R.L.
- Winch Assembly and Method of Manufacture5 Mar 2026US 2026/0062262 A1Marmon Power Systems, Inc.
Most cited
By later US patents
- Winch having split housing and drive components73US 4,736,929 AWarn Industries, Inc. · 1988
- Remote controlled winch69US 5,522,582 AWarn Industries, Inc. · 1996
- Winch power transmission57US 4,545,567 AWarn Industries, Inc. · 1985
- Winch49US 4,461,460 AWarn Industries, Inc. · 1984
- Hoisting gear49US 6,793,203 B2Wirth Maschinen-und Bohrgeratefabrik GmbH · 2004