F16H 57/04
Features relating to lubrication or cooling or heating
Official title: Features relating to lubrication or cooling {or heating} (control of lubrication or cooling in hydrostatic gearing F16H61/4165)
F16H57/04 (Features relating to lubrication or cooling or heating) appears on 6,072 US grants and 6,051 published applications in this corpus.
Search patents in F16H- Granted patents
- 6,072
- Published applications
- 6,051
- Assignees
- 1,403
- Inventors
- 11,109
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 14 | 0 |
| 1977 | 12 | 0 |
| 1978 | 21 | 0 |
| 1979 | 14 | 0 |
| 1980 | 24 | 0 |
| 1981 | 17 | 0 |
| 1982 | 28 | 0 |
| 1983 | 20 | 0 |
| 1984 | 29 | 0 |
| 1985 | 25 | 0 |
| 1986 | 40 | 0 |
| 1987 | 44 | 0 |
| 1988 | 41 | 0 |
| 1989 | 37 | 0 |
| 1990 | 43 | 0 |
| 1991 | 52 | 0 |
| 1992 | 48 | 0 |
| 1993 | 44 | 0 |
| 1994 | 39 | 0 |
| 1995 | 36 | 0 |
| 1996 | 41 | 0 |
| 1997 | 47 | 0 |
| 1998 | 59 | 0 |
| 1999 | 58 | 0 |
| 2000 | 75 | 0 |
| 2001 | 76 | 27 |
| 2002 | 81 | 90 |
| 2003 | 85 | 91 |
| 2004 | 86 | 136 |
| 2005 | 76 | 163 |
| 2006 | 95 | 168 |
| 2007 | 105 | 143 |
| 2008 | 100 | 174 |
| 2009 | 68 | 149 |
| 2010 | 103 | 145 |
| 2011 | 130 | 169 |
| 2012 | 138 | 184 |
| 2013 | 153 | 170 |
| 2014 | 203 | 216 |
| 2015 | 168 | 262 |
| 2016 | 202 | 336 |
| 2017 | 240 | 350 |
| 2018 | 273 | 391 |
| 2019 | 362 | 405 |
| 2020 | 394 | 403 |
| 2021 | 340 | 371 |
| 2022 | 396 | 334 |
| 2023 | 356 | 311 |
| 2024 | 366 | 351 |
| 2025 | 349 | 291 |
| 2026 | 219 | 221 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F16H 57/048Type of gearings to be lubricated, cooled or heated2,666
- F16H 57/042Guidance of lubricant2,214
- F16H 57/0467Elements of gearings to be lubricated, cooled or heated1,966
- F16H 57/0434Relating to lubrication supply1,592
- F16H 57/0412Cooling or heating1,142
- F16H 57/045Lubricant storage reservoirs761
- F16H 57/0457Splash lubrication535
- F16H 57/0402Cleaning of lubricants371
All 19 subgroupsShow fewer
- F16H 57/0409Characterised by increasing efficiency314
- F16H 57/0447Control of lubricant levels266
- F16H 57/0456Lubrication by injection248
- F16H 57/0463Grease lubrication194
- F16H 57/0408Exchange, draining or filling of transmission lubricant170
- F16H 57/0458Oil-mist or spray lubrication147
- F16H 57/05Of chains136
- F16H 57/041Coatings or solid lubricants92
- F16H 57/0405Monitoring quality of lubricant or hydraulic fluids82
- F16H 57/0406Absorption elements for lubricants46
- F16H 57/0401Using different fluids30
Recent patents
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- Lube control flow valves for vehicle rear cases and differentials6 Oct 2026US 12,753,832 B2Sonnax Transmission Company
- Lubrication system for a turbine engine29 Sep 2026US 12,747,676 B2General Electric Company
- Integrated in-line emergency lube pump assembly for planetary gearbox configurations29 Sep 2026US 12,747,677 B2GE Avio S. r. l.
- Cooling structure for a motorcycle transmission29 Sep 2026US 12,747,782 B2Zhejiang Qianjiang Motorcycle Co., Ltd.
- Drive system for work machine8 Oct 2026US 2026/0307502 A1Nabtesco Corporation
- Lead screw transmission support system capable of suppressing deformation and control method8 Oct 2026US 2026/0309212 A1Dalian University of Technology
- Drive assembly8 Oct 2026US 2026/0309216 A1
- Floating male-rotor dual-cycloidalmotor8 Oct 2026US 2026/0309222 A1Zhejiang Cathay Technology Co., Ltd.
- Motor vehicle drive unit and electrically driven motor vehicle drive axle8 Oct 2026US 2026/0309223 A1ZF Friedrichshafen AG
Most cited
By later US patents
- Star gear system with lubrication circuit and lubrication method therefor618US 6,223,616 B1United Technologies Corporation · 2001
- Geartrain coupling for a turbofan engine421US 7,021,042 B2United Technologies Corporation · 2006
- Journal bearing arrangement324US 5,102,379 AUnited Technologies Corporation · 1992
- Emergency oil/mist system289US 4,284,174 AAvco Corporation · 1981
- Lubrication of windmilling journal bearings269US 7,662,059 B2United Technologies Corporation · 2010