F16K 31/52
With crank, eccentric, or cam
Official title: with crank, eccentric, or cam
F16K31/52 (With crank, eccentric, or cam) appears on 1,081 US grants and 1,022 published applications in this corpus.
Search patents in F16K- Granted patents
- 1,081
- Published applications
- 1,022
- Assignees
- 736
- Inventors
- 2,112
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 12 | 0 |
| 1977 | 9 | 0 |
| 1978 | 8 | 0 |
| 1979 | 2 | 0 |
| 1980 | 11 | 0 |
| 1981 | 11 | 0 |
| 1982 | 15 | 0 |
| 1983 | 3 | 0 |
| 1984 | 6 | 0 |
| 1985 | 8 | 0 |
| 1986 | 9 | 0 |
| 1987 | 14 | 0 |
| 1988 | 6 | 0 |
| 1989 | 9 | 0 |
| 1990 | 10 | 0 |
| 1991 | 6 | 0 |
| 1992 | 9 | 0 |
| 1993 | 3 | 0 |
| 1994 | 8 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 2 | 0 |
| 1999 | 8 | 0 |
| 2000 | 12 | 0 |
| 2001 | 10 | 6 |
| 2002 | 12 | 6 |
| 2003 | 13 | 15 |
| 2004 | 16 | 15 |
| 2005 | 16 | 24 |
| 2006 | 18 | 27 |
| 2007 | 15 | 15 |
| 2008 | 11 | 19 |
| 2009 | 11 | 16 |
| 2010 | 3 | 15 |
| 2011 | 14 | 16 |
| 2012 | 17 | 20 |
| 2013 | 13 | 36 |
| 2014 | 21 | 24 |
| 2015 | 34 | 54 |
| 2016 | 34 | 66 |
| 2017 | 45 | 63 |
| 2018 | 44 | 69 |
| 2019 | 77 | 64 |
| 2020 | 86 | 88 |
| 2021 | 74 | 69 |
| 2022 | 70 | 59 |
| 2023 | 73 | 73 |
| 2024 | 68 | 76 |
| 2025 | 51 | 46 |
| 2026 | 38 | 41 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- System of valves for cell culture machine6 Oct 2026US 12,753,847 B2Cellaven
- Cam driven fluid valve assembly6 Oct 2026US 12,753,856 B2Robert Bosch GmbH
- Ball valve with endurance enhancing features22 Sep 2026US 12,742,504 B2Precision Engine Controls Corporation
- Systems and methods for a thermal management control valve with a louver plate assembly8 Sep 2026US 12,729,771 B2HUSCO Automotive Holdings LLC
- Cam driven fluid valve assembly8 Sep 2026US 12,729,779 B2Robert Bosch GmbH
- Cam driven fluid valve assembly1 Oct 2026US 2026/0298351 A1
- Cam driven fluid valve assembly1 Oct 2026US 2026/0298367 A1Robert Bosch GmbH
- Improvements in, or relating to valves and methods therefor24 Sep 2026US 2026/0287081 A1
- Valve upper part for sanitary fittings10 Sep 2026US 2026/0266390 A1Flühs Drehtechnik GmbH
- Pressure valve provided with a rotary valve member3 Sep 2026US 2026/0258878 A1Safran Aerosystems
Most cited
By later US patents
- Fluid flow control182US 5,009,251 ABaxter International Inc. · 1991
- Entirely uniformly heated responsive cooker143US 5,092,229 A1992
- Variable pressure valve apparatus116US 6,684,904 B2Seiko Instruments Inc. · 2004
- Variable pressure valve apparatus109US 6,474,360 B1Seiko Instruments Inc. · 2002
- Combination check flow control and selector valve81US 4,109,670 A1978