F16H 39/42
Pump and motor being of different types
Official title: pump and motor being of different types
F16H39/42 (Pump and motor being of different types) appears on 36 US grants and 30 published applications in this corpus.
Search patents in F16H- Granted patents
- 36
- Published applications
- 30
- Assignees
- 20
- Inventors
- 101
- Latest grant
- 17 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 2 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 3 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 0 |
| 2015 | 0 | 1 |
| 2016 | 1 | 2 |
| 2017 | 2 | 10 |
| 2018 | 6 | 5 |
| 2019 | 10 | 1 |
| 2020 | 2 | 1 |
| 2021 | 4 | 1 |
| 2022 | 2 | 2 |
| 2023 | 1 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Hydrostatic transaxle17 Mar 2026US 12,578,008 B2Kanzaki Kokyukoki Mfg.Co., Ltd.
- Variable speed drive for a generator20 Jun 2023US 11,680,627 B2Caterpillar Inc.
- Variable speed drive for a generator8 Mar 2022US 11,268,596 B2Caterpillar Inc.
- Apparatus for generating impulse-dynamic process forces15 Feb 2022US 11,248,691 B2Hatebur Umformmaschinen AG
- Rotary electrohydraulic actuator20 Apr 2021US 10,982,743 B2Bosch Rexroth AG
- Work vehicle13 Aug 2026US 2026/0231845 A1Kubota Corporation
- A linear self-adjustable compression pump comprising a gyroscopic torque converter with centrifugal freely sliding precession arm4 Dec 2025US 2025/0369505 A1
- Variable speed drive for a generator12 May 2022US 2022/0145966 A1Caterpillar Inc.
- Hydrostatic transaxle10 Mar 2022US 2022/0074476 A1Kanzaki Kokyukoki Mfg.Co., Ltd.
- Variable speed drive for a generator21 Jan 2021US 2021/0018071 A1Caterpillar Inc.
Most cited
By later US patents
- Hydrostatic transmission for tractors and the like55US 4,145,883 ALinde Aktiengesellschaft · 1979
- Hydrostatic transmission with spool valve driven motor15US 9,914,356 B2Parker-Hannifin Corporation · 2018
- Hydrostatic transmission9US 8,635,867 B2Parker-Hannifin Corporation · 2014
- Electric actuator for drive apparatus7US 10,890,253 B1Hydro-Gear Limited Partnership · 2021
- Hydraulic transmission assembly6US 7,431,124 B2White Drive Products, Inc. · 2008