F16H 57/0476
Electric machines and gearing, i.e. joint lubrication or cooling or heating thereof
Official title: {Electric machines and gearing, i.e. joint lubrication or cooling or heating thereof}
F16H57/0476 (Electric machines and gearing, i.e. joint lubrication or cooling or heating thereof) appears on 450 US grants and 604 published applications in this corpus.
Search patents in F16H- Granted patents
- 450
- Published applications
- 604
- Assignees
- 165
- Inventors
- 1,311
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 2 |
| 2006 | 1 | 3 |
| 2007 | 2 | 2 |
| 2008 | 1 | 1 |
| 2009 | 2 | 7 |
| 2010 | 1 | 2 |
| 2011 | 6 | 11 |
| 2012 | 2 | 16 |
| 2013 | 9 | 10 |
| 2014 | 13 | 24 |
| 2015 | 12 | 10 |
| 2016 | 13 | 15 |
| 2017 | 19 | 26 |
| 2018 | 6 | 19 |
| 2019 | 22 | 38 |
| 2020 | 40 | 42 |
| 2021 | 24 | 35 |
| 2022 | 42 | 56 |
| 2023 | 50 | 61 |
| 2024 | 51 | 95 |
| 2025 | 75 | 68 |
| 2026 | 49 | 57 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Drive device that can effectively cool two electric motors22 Sep 2026US 12,742,498 B2Toyota Jidosha Kabushiki Kaisha
- Electric drive assembly and electric device15 Sep 2026US 12,736,125 B2Contemporary Amperex Intelligence Technology (Shanghai) Limited
- Electric vehicle transmission15 Sep 2026US 12,736,126 B2BorgWarner Inc.
- Active oil flow control in electric drive unit1 Sep 2026US 12,723,647 B2GM Global Technology Operations LLC
- Electric drive system for a motor vehicle25 Aug 2026US 12,716,483 B2Mercedes-Benz Group AG
- Motor vehicle drive unit and electrically driven motor vehicle drive axle8 Oct 2026US 2026/0309223 A1ZF Friedrichshafen AG
- Motor unit17 Sep 2026US 2026/0276074 A1Mitsubishi Electric Mobility Corporation
- Vehicle drive device27 Aug 2026US 2026/0251211 A1Aisin Corporation
- Vehicular driving device27 Aug 2026US 2026/0251213 A1Aisin Corporation
- Lubricating oil composition20 Aug 2026US 2026/0242683 A1Idemitsu Kosan Co., Ltd.
Most cited
By later US patents
- Oil circulating system for electric vehicle146US 5,372,213 AAisin Aw Co., Ltd. · 1994
- Electric motor vehicle drive system having differential gear device whose splined output elements are abuttable on stop member to receive thrust forces applied to vehicle wheel drive members95US 5,443,130 AToyota Jidosha Kabushiki Kaisha · 1995
- Drive apparatus for electric vehicle67US 5,821,653 AAisin Aw Co., Ltd. · 1998
- Hydraulic control system for hybrid vehicle66US 5,415,603 AKabushikikaisha Equos Research · 1995
- Driving unit including a liquid cooled electric motor and a planetary gear56US 6,329,731 B1The Swatch Group Management Services AG · 2001