F16H 55/22
For transmissions with crossing shafts, especially worms, worm-gears
Official title: for transmissions with crossing shafts, especially worms, worm-gears
F16H55/22 (For transmissions with crossing shafts, especially worms, worm-gears) appears on 418 US grants and 484 published applications in this corpus.
Search patents in F16H- Granted patents
- 418
- Published applications
- 484
- Assignees
- 237
- Inventors
- 890
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 8 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 7 | 0 |
| 2001 | 5 | 4 |
| 2002 | 8 | 10 |
| 2003 | 9 | 9 |
| 2004 | 11 | 19 |
| 2005 | 9 | 14 |
| 2006 | 6 | 14 |
| 2007 | 4 | 18 |
| 2008 | 7 | 8 |
| 2009 | 11 | 8 |
| 2010 | 9 | 13 |
| 2011 | 5 | 8 |
| 2012 | 10 | 15 |
| 2013 | 12 | 14 |
| 2014 | 12 | 20 |
| 2015 | 15 | 24 |
| 2016 | 15 | 26 |
| 2017 | 18 | 23 |
| 2018 | 23 | 35 |
| 2019 | 20 | 34 |
| 2020 | 24 | 33 |
| 2021 | 24 | 33 |
| 2022 | 32 | 36 |
| 2023 | 21 | 19 |
| 2024 | 31 | 23 |
| 2025 | 16 | 13 |
| 2026 | 10 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-component gear wheel for a gear assembly of a brake actuator, brake actuator having such a multi-component gear wheel, and method for producing such a multi-component wheel8 Sep 2026US 12,729,753 B2IMS Gear SE & Co. KGaA
- Gearwheel with an insert portion made of metal and an outer portion made of plastic, steering mechanism with such a gearwheel and method for producing such a gearwheel25 Aug 2026US 12,716,478 B2ZF Friedrichshafen AG
- Electronic lock transmission structure, electronic lock, and motor vehicle2 Jun 2026US 12,644,501 B2Changchun Jetty Automotive Technology Co., Ltd.
- Methods and apparatus to passively lubricate a worm gear assembly28 Apr 2026US 12,612,965 B2The Boeing Company
- Method for producing worm wheel, and worm wheel21 Apr 2026US 12,607,255 B2Nsk Ltd.
- Worm reducer8 Oct 2026US 2026/0309219 A1Nsk Steering & Control, Inc.
- Helical Pinion and Helical Gear Transmission20 Aug 2026US 2026/0243339 A1Robert Bosch GmbH
- Worm reduction gear and assembling method thereof30 Jul 2026US 2026/0218791 A1Nsk Steering & Control, Inc.
- Transmission mechanism having hourglass enveloping worm and helical gear23 Jul 2026US 2026/0210428 A1Talls Intelligent Technology (Shenzhen) Co., Ltd.
- Flexible-supported worm-and-gear mechanism9 Jul 2026US 2026/0194123 A1Jinan Hanjiang Optoelectronic Technology Co., Ltd
Most cited
By later US patents
- Electric power assisting steering apparatus65US 6,044,723 ANsk Ltd. · 2000
- Method of moving objects with self-locking mechanical transmission51US 5,988,006 A1999
- Electrical power assisted steering47US 6,491,131 B1TRW LucasVarity Electric Steering Ltd. · 2002
- Electric power steering comprising a worm gear35US 6,357,313 B1TRW LucasVarity Electric Steering Ltd. · 2002
- Electric power steering apparatus32US 6,763,738 B1Koyo Seiko Co., Ltd. · 2004