F04C 13/007
Venting
Official title: {Venting; Gas and vapour separation during pumping (preventing vapour lock in fuel pumps F02M37/20, in centrifugal pumps F04D9/00)}
F04C13/007 (Venting) appears on 39 US grants and 38 published applications in this corpus.
Search patents in F04C- Granted patents
- 39
- Published applications
- 38
- Assignees
- 27
- Inventors
- 63
- Latest grant
- 26 Jul 2022
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 1 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 1 | 1 |
| 2009 | 1 | 6 |
| 2010 | 3 | 4 |
| 2011 | 5 | 2 |
| 2012 | 2 | 3 |
| 2013 | 1 | 0 |
| 2014 | 1 | 2 |
| 2015 | 3 | 3 |
| 2016 | 0 | 2 |
| 2017 | 5 | 3 |
| 2018 | 1 | 2 |
| 2019 | 3 | 2 |
| 2020 | 1 | 3 |
| 2021 | 2 | 1 |
| 2022 | 2 | 0 |
| 2023 | 0 | 0 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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Most cited
By later US patents
- Method of scavenging air and oil and gear pump therefor35US 5,004,407 ASundstrand Corporation · 1991
- Progressive cavity pump (PCP) drive head stuffing box with split seal18US 7,874,369 B2Weatherford/Lamb, Inc. · 2011
- Gas restrictor for pump13US 7,980,314 B2Baker Hughes Incorporated · 2011
- Flow control system having an isolation device for preventing gas interference during downhole liquid removal operations12US 7,753,115 B2Pine Tree Gas, LLC · 2010
- Flow control system having a downhole check valve selectively operable from a surface of a well12US 7,789,158 B2Pine Tree Gas, LLC · 2010