Y10T 137/7731
Fluid counter-biased or unseated valve
Y10T137/7731 (Fluid counter-biased or unseated valve) appears on 42 US grants and 13 published applications in this corpus.
Search patents in Y10T- Granted patents
- 42
- Published applications
- 13
- Assignees
- 29
- Inventors
- 64
- Latest grant
- 4 Jan 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 3 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 0 | 0 |
| 2004 | 2 | 2 |
| 2005 | 1 | 2 |
| 2006 | 2 | 0 |
| 2007 | 2 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 1 | 1 |
| 2012 | 1 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 0 |
| 2017 | 1 | 0 |
| 2018 | 0 | 2 |
| 2019 | 2 | 1 |
| 2020 | 0 | 2 |
| 2021 | 2 | 0 |
| 2022 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
Recent patents
- Locked backwater valve4 Jan 2022US 11,214,953 B2
- Compressor gas cutoff22 Jun 2021US 11,041,492 B2
- Fluid valve and opening motion promoting device4 May 2021US 10,995,877 B2Nabtesco Corporation
- Compressor gas cutoff8 Oct 2019US 10,436,189 B2
- Water loss detection and control system26 Feb 2019US 10,214,881 B2Flow Stop, LLC
- Locked backwater valve20 Aug 2020US 2020/0263410 A1
- Compressor gas cutoff2 Jan 2020US 2020/0003204 A1
- Fluid valve and opening motion promoting device27 Jun 2019US 2019/0195384 A1Nabtesco Corporation
- Compressor gas cutoff23 Aug 2018US 2018/0238322 A1
- Water flow control valve16 Aug 2018US 2018/0230680 A1Flow Stop, LLC
Most cited
By later US patents
- Fluid control system76US 5,228,469 A1993
- Flash back arrestor25US 3,933,444 AEmerson Electric Co. · 1976
- High and low tubing pressure actuated well safety valve21US 4,161,960 ACamco, Incorporated · 1979
- Change valve20US 4,224,962 AITT Industries, Inc. · 1980
- Air turbine starter having a force balanced, pressure energized, weighted check valve20US 7,033,134 B2Honeywell International Inc. · 2006