F16K 11/076
With sealing faces shaped as surfaces of solids of revolution
Official title: with sealing faces shaped as surfaces of solids of revolution
F16K11/076 (With sealing faces shaped as surfaces of solids of revolution) appears on 322 US grants and 335 published applications in this corpus.
Search patents in F16K- Granted patents
- 322
- Published applications
- 335
- Assignees
- 234
- Inventors
- 671
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 2 | 0 |
| 1996 | 0 | 0 |
| 1997 | 2 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 2 |
| 2002 | 5 | 3 |
| 2003 | 8 | 12 |
| 2004 | 5 | 13 |
| 2005 | 13 | 7 |
| 2006 | 6 | 5 |
| 2007 | 3 | 5 |
| 2008 | 4 | 6 |
| 2009 | 0 | 3 |
| 2010 | 5 | 9 |
| 2011 | 6 | 4 |
| 2012 | 5 | 10 |
| 2013 | 7 | 12 |
| 2014 | 8 | 14 |
| 2015 | 9 | 15 |
| 2016 | 16 | 16 |
| 2017 | 16 | 16 |
| 2018 | 12 | 16 |
| 2019 | 17 | 31 |
| 2020 | 20 | 20 |
| 2021 | 24 | 25 |
| 2022 | 25 | 24 |
| 2023 | 29 | 23 |
| 2024 | 18 | 18 |
| 2025 | 20 | 14 |
| 2026 | 9 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Multi-valve3 Sep 2026US 2026/0258874 A1Hanon Systems
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Most cited
By later US patents
- Apparatus and method of providing high frequency variable pressure to a patient138US 6,581,596 B1Respironics, Inc. · 2003
- Apparatus and method for providing high frequency variable pressure to a patient71US 7,165,547 B2RIC Investments, LLC · 2007
- Diverter valve57US 7,849,877 B2Zodiac Pool Systems LLC · 2010
- Apparatus and systems having a rotary valve assembly and swing adsorption processes related thereto54US 9,120,049 B2ExxonMobil Upstream Research Company · 2015
- Regulating valve53US 5,617,815 AFirma Carl Freudenberg · 1997