F16H 61/0031
Using auxiliary pumps
Official title: {using auxiliary pumps, e.g. pump driven by a different power source than the engine}
F16H61/0031 (Using auxiliary pumps) appears on 535 US grants and 576 published applications in this corpus.
Search patents in F16H- Granted patents
- 535
- Published applications
- 576
- Assignees
- 125
- Inventors
- 1,063
- Latest grant
- 7 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 2 | 0 |
| 2001 | 1 | 2 |
| 2002 | 5 | 12 |
| 2003 | 11 | 8 |
| 2004 | 10 | 8 |
| 2005 | 6 | 10 |
| 2006 | 8 | 7 |
| 2007 | 2 | 10 |
| 2008 | 4 | 13 |
| 2009 | 8 | 28 |
| 2010 | 9 | 26 |
| 2011 | 13 | 37 |
| 2012 | 25 | 35 |
| 2013 | 41 | 35 |
| 2014 | 38 | 32 |
| 2015 | 42 | 37 |
| 2016 | 29 | 48 |
| 2017 | 42 | 30 |
| 2018 | 39 | 31 |
| 2019 | 36 | 51 |
| 2020 | 44 | 25 |
| 2021 | 22 | 24 |
| 2022 | 22 | 13 |
| 2023 | 19 | 27 |
| 2024 | 27 | 18 |
| 2025 | 10 | 5 |
| 2026 | 7 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Control device for gearbox7 Apr 2026US 12,595,783 B2Zf Wind Power Antwerpen N.V.
- Oil pressure supply device24 Mar 2026US 12,584,475 B2JATCO Ltd
- Reduction and reversing gear unit3 Mar 2026US 12,565,298 B2Kanzaki Kokyukoki Mfg.Co., Ltd.
- Method for detecting a safe state of a valve of a hydraulic system17 Feb 2026US 12,552,340 B2Schaeffler Technologies AG & Co. KG
- Power transmission device17 Feb 2026US 12,553,513 B2JATCO Ltd
- Control device for gearbox25 Jun 2026US 2026/0177038 A1Zf Wind Power Antwerpen N.V.
- Electronic housing for an auxiliary unit11 Jun 2026US 2026/0163263 A1Brose Fahrzeugteile SE & Co. Kommanditgesellschaft, Würzburg
- Hydraulic system for a vehicle and a computer-implemented method7 May 2026US 2026/0126062 A1Volvo Construction Equipment AB
- Electro-hydraulic circuits incorporating dual pumps for improved clutch fill times, transmissions and vehicles incorporating the same, and methods associated therewith9 Apr 2026US 2026/0098578 A1Allison Transmission, Inc.
- Hydraulic system for hybrid gearbox and vehicle27 Nov 2025US 2025/0361890 A1Chery Automobile Co., Ltd.
Most cited
By later US patents
- Planetary transmission with launch clutch75US 8,591,364 B2GM Global Technology Operations LLC · 2013
- Hybrid vehicle drive system and method for fuel reduction during idle73US 9,061,680 B2Odyne Systems, LLC · 2015
- Hydraulic circuit used for automatic transmission of vehicle having automatic engine-stop system, and oil-pressure control system and method66US 6,390,947 B1Honda Giken Kogyo Kabushiki Kaisha · 2002
- Torque control system for a hybrid vehicle with an automatic transmission58US 6,616,569 B2General Motors Corporation · 2003
- Control system for stopping and starting vehicle engine56US 6,913,558 B2Honda Giken Kogyo Kabushiki Kaisha · 2005