F16H 2007/0859
Check valves
Official title: {Check valves}
F16H2007/0859 (Check valves) appears on 494 US grants and 354 published applications in this corpus.
Search patents in F16H- Granted patents
- 494
- Published applications
- 354
- Assignees
- 93
- Inventors
- 513
- Latest grant
- 29 Jul 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 3 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 5 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 9 | 0 |
| 1986 | 4 | 0 |
| 1987 | 13 | 0 |
| 1988 | 13 | 0 |
| 1989 | 9 | 0 |
| 1990 | 12 | 0 |
| 1991 | 8 | 0 |
| 1992 | 7 | 0 |
| 1993 | 11 | 0 |
| 1994 | 13 | 0 |
| 1995 | 7 | 0 |
| 1996 | 11 | 0 |
| 1997 | 23 | 0 |
| 1998 | 14 | 0 |
| 1999 | 21 | 0 |
| 2000 | 21 | 0 |
| 2001 | 15 | 14 |
| 2002 | 15 | 16 |
| 2003 | 13 | 11 |
| 2004 | 7 | 19 |
| 2005 | 9 | 18 |
| 2006 | 14 | 11 |
| 2007 | 7 | 17 |
| 2008 | 9 | 19 |
| 2009 | 10 | 14 |
| 2010 | 12 | 19 |
| 2011 | 9 | 14 |
| 2012 | 13 | 16 |
| 2013 | 10 | 18 |
| 2014 | 8 | 12 |
| 2015 | 15 | 10 |
| 2016 | 10 | 11 |
| 2017 | 13 | 29 |
| 2018 | 16 | 21 |
| 2019 | 12 | 28 |
| 2020 | 21 | 14 |
| 2021 | 18 | 6 |
| 2022 | 10 | 2 |
| 2023 | 3 | 2 |
| 2024 | 5 | 11 |
| 2025 | 7 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Agricultural baler with tensioning device for a traction drive29 Jul 2025US 12,369,530 B2Usines CLAAS France S.A.S
- Hydraulic check valve utilizing an ortho-planar spring22 Jul 2025US 12,366,299 B2BorgWarner Inc.
- Tensioner18 Mar 2025US 12,253,170 B2Tsubakimoto Chain Co.
- Chain tensioner11 Feb 2025US 12,222,035 B2Tsubakimoto Chain Co.
- Tensioning device with a single securing ring14 Jan 2025US 12,196,313 B2Iwis Motorsysteme GmbH & Co. KG
- Hydraulic check valve utilizing an ortho-planar spring19 Feb 2026US 2026/0049666 A1BorgWarner Inc.
- Hydraulic check valve utilizing an ortho-planar spring23 Oct 2025US 2025/0327531 A1BorgWarner Inc.
- Agricultural baler with tensioning device for a traction drive19 Sep 2024US 2024/0306552 A1Usines CLAAS France S.A.S
- Tensioner11 Jul 2024US 2024/0229902 A9Tsubakimoto Chain Co.
- Variable tune hydraulic tensioner11 Jul 2024US 2024/0229903 A9BorgWarner Inc.
Most cited
By later US patents
- Pressure relief valve and dual path vent disc for hydraulic tensioner113US 6,322,468 B1BorgWarner Inc. · 2001
- Tensioner with improved damping device63US 6,193,623 B1Ina Walzlager Schaeffler oHG · 2001
- Chain guide having improved arm-shoe attachment feature59US 5,318,482 ATsubakimoto Chain Co. · 1994
- Hydraulically-operated bicycle shifting system with positive pressure actuation54US 6,012,999 A2000
- Hydraulic tensioner53US 7,174,799 B2Tsubakimoto Chain Co. · 2007