F16K 31/1655
For rotating valves
Official title: {for rotating valves}
F16K31/1655 (For rotating valves) appears on 43 US grants and 26 published applications in this corpus.
Search patents in F16K- Granted patents
- 43
- Published applications
- 26
- Assignees
- 20
- Inventors
- 69
- Latest grant
- 4 Jun 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 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 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 0 | 1 |
| 2004 | 1 | 0 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 3 |
| 2009 | 1 | 5 |
| 2010 | 2 | 5 |
| 2011 | 3 | 1 |
| 2012 | 2 | 1 |
| 2013 | 3 | 0 |
| 2014 | 0 | 0 |
| 2015 | 2 | 2 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 0 |
| 2020 | 1 | 0 |
| 2021 | 0 | 1 |
| 2022 | 1 | 3 |
| 2023 | 0 | 0 |
| 2024 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Main valve for drawing straightway deluge valve4 Jun 2024US 11,998,779 B2Shandong Meihua Fire Technology Co., Ltd.
- Valve positioner and diagnostic method4 Jun 2024US 12,000,503 B2Neles Finland Oy
- Rotatable valve and actuator30 Aug 2022US 11,428,325 B2BS&B Innovations Limited
- Thermostat valve and method for operating a thermostat valve16 Jun 2020US 10,683,948 B2Illinois Tool Works Inc.
- Rotary fluid regulator20 Aug 2019US 10,385,984 B2Dr. Ing. h,c.F. Porsche Aktiengesellschaft
- Measurement and use of shaft torque in a control valve3 Nov 2022US 2022/0350351 A1Fisher Controls International LLC
- Valve positioner and diagnostic method20 Oct 2022US 2022/0333714 A1Neles Finland Oy
- Main valve for drawing straightway deluge valve3 Mar 2022US 2022/0062677 A1Ningjin Apc Industries Incorporated Company
- Rotatable valve and actuator27 May 2021US 2021/0156481 A1BS&B Innovations Limited
- Thermostat valve and method for operating a thermostat valve21 Dec 2017US 2017/0363223 A1Illinois Tool Works Inc.
Most cited
By later US patents
- Valve actuator29US 3,985,151 AKeystone International, Inc. · 1976
- Surface controlled, subsurface tubing safety valve27US 5,411,096 A1995
- Actuator for air conditioning system22US 4,768,545 AGeneral Motors Corporation · 1988
- Quarter-turn valve actuator21US 4,261,546 APosi-Seal International, Inc. · 1981
- Hazardous gas protection system and method for automatic valve closure18US 5,694,960 A1997