F16H 61/4052
By using a variable restriction
Official title: by using a variable restriction, e.g. an orifice valve
F16H61/4052 (By using a variable restriction) appears on 41 US grants and 22 published applications in this corpus.
Search patents in F16H- Granted patents
- 41
- Published applications
- 22
- Assignees
- 24
- Inventors
- 89
- Latest grant
- 28 Mar 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 9 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 3 |
| 2005 | 0 | 1 |
| 2006 | 1 | 2 |
| 2007 | 1 | 1 |
| 2008 | 4 | 3 |
| 2009 | 0 | 0 |
| 2010 | 1 | 3 |
| 2011 | 2 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 1 |
| 2015 | 2 | 1 |
| 2016 | 1 | 2 |
| 2017 | 1 | 0 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Hydraulic system for agricultural baler28 Mar 2023US 11,612,108 B2CNH Industrial America LLC
- Hydraulic system for maintaining minimum low side pressure of closed circuit hydraulic system4 Feb 2020US 10,550,933 B2Danfoss Power Solutions Inc.
- Work machine26 Jun 2018US 10,006,188 B2Kubota Corporation
- Drift control system of a work machine and method thereof22 Aug 2017US 9,739,372 B2Deere & Company
- Hydraulic drive system for hydraulic working machine2 Feb 2016US 9,249,879 B2Hitachi Construction Machinery Co., Ltd.
- Hydraulic system for agricultural baler17 Jun 2021US 2021/0176921 A1CNH Industrial America LLC
- Hydraulic system for maintaining minimum low side pressure of closed circuit hydraulic system11 Oct 2018US 2018/0291797 A1Danfoss Power Solutions Inc.
- Work machine20 Oct 2016US 2016/0305093 A1Kubota Corporation
- Rotational speed limitation device for a motor4 Feb 2016US 2016/0032946 A1
- Drift control system of a work machine and method thereof6 Aug 2015US 2015/0219213 A1Deere & Company
Most cited
By later US patents
- Automotive radiator cooling system34US 4,941,437 ANippondenso Co., Ltd. · 1990
- Control circuit for hydrostatic all wheel drive vehicle26US 5,199,525 ARansomes, Inc. · 1993
- Hydraulic motor control25US 4,194,365 APoclain · 1980
- Hydraulically operated continuously variable transmission23US 4,864,823 AHonda Giken Kogyo Kabushiki Kaisha · 1989
- Hydraulic system for a detachable implement21US 6,116,006 ADeere & Company · 2000