F16H 61/448
Control circuits for tandem pumps or motors
F16H61/448 (Control circuits for tandem pumps or motors) appears on 113 US grants and 76 published applications in this corpus.
Search patents in F16H- Granted patents
- 113
- Published applications
- 76
- Assignees
- 73
- Inventors
- 188
- Latest grant
- 2 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 1 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 0 |
| 2002 | 5 | 3 |
| 2003 | 4 | 2 |
| 2004 | 3 | 6 |
| 2005 | 2 | 3 |
| 2006 | 3 | 4 |
| 2007 | 5 | 7 |
| 2008 | 8 | 4 |
| 2009 | 3 | 6 |
| 2010 | 3 | 7 |
| 2011 | 5 | 3 |
| 2012 | 5 | 7 |
| 2013 | 7 | 4 |
| 2014 | 5 | 2 |
| 2015 | 4 | 4 |
| 2016 | 4 | 5 |
| 2017 | 6 | 1 |
| 2018 | 1 | 2 |
| 2019 | 3 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 1 |
| 2022 | 0 | 1 |
| 2023 | 2 | 0 |
| 2024 | 1 | 2 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Hydraulic control circuit for a hydraulic motor2 Dec 2025US 12,486,770 B2Danfoss Power Solutions GmbH & Co. OHG
- Working machine24 Sep 2024US 12,098,524 B2Kubota Corporation
- Working machine14 Nov 2023US 11,814,815 B2Kubota Corporation
- Fluid system for a continuously variable transmission24 Jan 2023US 11,560,946 B2Schaeffler Technologies AG & Co. KG
- Automatic driveline calibration for an agricultural machine13 Apr 2021US 10,973,166 B2CNH Industrial America LLC
- Hydraulic control circuit for a hydraulic motor20 Jun 2024US 2024/0200454 A1Danfoss Power Solutions GmbH & Co. OHG
- Working machine25 Jan 2024US 2024/0026648 A1Kubota Corporation
- Working machine17 Feb 2022US 2022/0049466 A1Kubota Corporation
- Fluid system for a continuously variable transmission2 Sep 2021US 2021/0270364 A1Schaeffler Technologies AG & Co. KG
- Automatic Driveline Calibration For An Agricultural Machine30 Jul 2020US 2020/0236844 A1CNH Industrial America LLC
Most cited
By later US patents
- Hydraulic hybrid vehicle107US 6,719,080 B1The United States of America as represented by the Administrator of the Enviromental Protection Agency · 2004
- Dual pump apparatus comprising dual drive shafts and auxiliary pump78US 6,672,843 B1Hydro-Gear Limited Partnership · 2004
- Continuously smooth transmission75US 5,887,674 AThe United States of America as represented by the Administrator of the U. S. Environmental Protection Agency · 1999
- Hydraulic drive system for a vehicle74US 6,119,802 AAnser, Inc. · 2000
- Tandem hydraulic motor59US 5,207,060 ASauer Inc. · 1993