F16K 15/046
By a spring other than a helicoidal spring
Official title: {by a spring other than a helicoidal spring}
F16K15/046 (By a spring other than a helicoidal spring) appears on 43 US grants and 39 published applications in this corpus.
Search patents in F16K- Granted patents
- 43
- Published applications
- 39
- Assignees
- 39
- Inventors
- 96
- Latest grant
- 5 Sep 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 5 |
| 2004 | 4 | 2 |
| 2005 | 0 | 2 |
| 2006 | 1 | 4 |
| 2007 | 2 | 0 |
| 2008 | 1 | 1 |
| 2009 | 0 | 3 |
| 2010 | 1 | 1 |
| 2011 | 3 | 0 |
| 2012 | 2 | 1 |
| 2013 | 2 | 1 |
| 2014 | 0 | 4 |
| 2015 | 1 | 3 |
| 2016 | 2 | 0 |
| 2017 | 1 | 3 |
| 2018 | 2 | 2 |
| 2019 | 1 | 3 |
| 2020 | 2 | 2 |
| 2021 | 3 | 1 |
| 2022 | 0 | 1 |
| 2023 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Valve assembly5 Sep 2023US 11,746,915 B2Robert Bosch GmbH
- Check valve2 Nov 2021US 11,162,598 B2Orlas Technologies Limited Liability Company
- In-port sequence valve24 Aug 2021US 11,097,389 B2Vektek, Inc.
- Split micro-valve16 Mar 2021US 10,948,106 B2Suzhou Skywell Healthcare Information Co., Ltd.
- Fuel pump and outlet valve thereof20 Oct 2020US 10,808,667 B2Delphi Technologies IP Limited
- Valve Assembly9 Jun 2022US 2022/0178455 A1Robert Bosch GmbH
- Pressure relief valve, service system, and method for servicing pressure relief valve4 Mar 2021US 2021/0062927 A1Caterpillar Inc.
- Fuel pump and outlet valve thereof2 Apr 2020US 2020/0102924 A1Delphi Technologies IP Limited
- Check valve27 Feb 2020US 2020/0063878 A1Oklas Technologies Limited Liability Company [Ru/Ru]
- In-port sequence valve25 Jul 2019US 2019/0224794 A1Vektek, Inc.
Most cited
By later US patents
- Valve apparatus and valve system using thereof127US 6,391,019 B1Seiko Instruments Inc. · 2002
- Pressure-variable valve device and set-pressure adjusting device for the valve device123US 6,702,249 B2Seiko Instruments Inc. · 2004
- Variable pressure valve apparatus116US 6,684,904 B2Seiko Instruments Inc. · 2004
- Shunt valve90US 4,332,255 AHakim Company Limited · 1982
- Shunt valve79US 4,387,715 AHakim Company Limited · 1983