F16H 48/20
Arrangements for suppressing or influencing the differential action
Official title: Arrangements for suppressing or influencing the differential action, e.g. locking devices
F16H48/20 (Arrangements for suppressing or influencing the differential action) appears on 1,750 US grants and 1,329 published applications in this corpus.
Search patents in F16H- Granted patents
- 1,750
- Published applications
- 1,329
- Assignees
- 395
- Inventors
- 2,355
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 11 | 0 |
| 1977 | 13 | 0 |
| 1978 | 6 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 16 | 0 |
| 1982 | 6 | 0 |
| 1983 | 6 | 0 |
| 1984 | 7 | 0 |
| 1985 | 18 | 0 |
| 1986 | 11 | 0 |
| 1987 | 17 | 0 |
| 1988 | 31 | 0 |
| 1989 | 29 | 0 |
| 1990 | 24 | 0 |
| 1991 | 24 | 0 |
| 1992 | 36 | 0 |
| 1993 | 25 | 0 |
| 1994 | 31 | 0 |
| 1995 | 18 | 0 |
| 1996 | 26 | 0 |
| 1997 | 26 | 0 |
| 1998 | 27 | 0 |
| 1999 | 43 | 0 |
| 2000 | 39 | 0 |
| 2001 | 29 | 7 |
| 2002 | 40 | 30 |
| 2003 | 39 | 35 |
| 2004 | 48 | 45 |
| 2005 | 27 | 51 |
| 2006 | 43 | 57 |
| 2007 | 28 | 67 |
| 2008 | 41 | 53 |
| 2009 | 37 | 51 |
| 2010 | 43 | 58 |
| 2011 | 44 | 36 |
| 2012 | 39 | 20 |
| 2013 | 34 | 35 |
| 2014 | 34 | 55 |
| 2015 | 53 | 53 |
| 2016 | 42 | 61 |
| 2017 | 61 | 64 |
| 2018 | 42 | 60 |
| 2019 | 67 | 76 |
| 2020 | 65 | 62 |
| 2021 | 76 | 62 |
| 2022 | 60 | 61 |
| 2023 | 65 | 63 |
| 2024 | 86 | 61 |
| 2025 | 73 | 63 |
| 2026 | 35 | 43 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16H 48/30Using externally-actuatable means932
- F16H 48/22Using friction clutches or brakes841
- F16H 2048/204Control of arrangements for suppressing differential actionsIndexing code541
- F16H 48/24Using positive clutches or brakes526
- F16H 48/28Using self-locking gears or self-braking gears238
- F16H 48/295Using multiple means for force boosting132
- F16H 48/27Using internally-actuatable fluid pressure121
- F16H 48/26Using fluid action76
Recent patents
- Electric traction axle/beam15 Sep 2026US 12,736,115 B2Fpt Industrial S.P.A.
- Differential device15 Sep 2026US 12,736,119 B2GKN Automotive AG
- Disconnector apparatus with limited slip differential function8 Sep 2026US 12,728,721 B2Hyundai Transys Inc.
- Systems and methods for coupling a lock plate and actuator25 Aug 2026US 12,716,477 B2Eaton Intelligent Power Limited
- Electric vehicle with inboard friction brake assembly14 Jul 2026US 12,679,215 B2Fca US LLC
- Helical gear limited slip differential with washer clutch plates8 Oct 2026US 2026/0309214 A1Schaeffler Technologies AG & Co. KG
- Bi-directional differential clutch for detecting disengagement8 Oct 2026US 2026/0309215 A1American Axle & Manufacturing, Inc.
- Drive assembly8 Oct 2026US 2026/0309216 A1
- Differential device1 Oct 2026US 2026/0298322 A1Jtekt Corporation
- Limited slip differential with full differential lock drive subassembly1 Oct 2026US 2026/0298323 A1TEAM Industries, Inc.
Most cited
By later US patents
- Power transmitting assembly1,127US 5,465,819 ABorg-Warner Automotive, Inc. · 1995
- Differential gear with limited slip and locking mechanism1,080US 5,098,360 ATochigifujisangyo Kabushiki Kaisha · 1992
- Electronic tractor control147US 4,715,012 AMassey-Ferguson Services N.V. · 1987
- Locking differential gear assembly108US 4,805,486 ATochigifujisangyo Kabushiki Kaisha · 1989
- Limited slip differential93US 4,679,463 ANissan Motor Co., Ltd. · 1987