F01L 2810/05
Related to pressure difference on both sides of a valve
F01L2810/05 (Related to pressure difference on both sides of a valve) appears on 9 US grants and 11 published applications in this corpus.
Search patents in F01L- Granted patents
- 9
- Published applications
- 11
- Assignees
- 11
- Inventors
- 16
- Latest grant
- 19 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 1 |
| 2009 | 1 | 3 |
| 2010 | 0 | 1 |
| 2011 | 1 | 0 |
| 2012 | 1 | 1 |
| 2013 | 1 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 1 |
| 2019 | 1 | 0 |
| 2020 | 0 | 0 |
| 2021 | 0 | 0 |
| 2022 | 0 | 1 |
| 2023 | 2 | 1 |
| 2024 | 0 | 0 |
| 2025 | 0 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Valve stem seal19 Dec 2023US 11,846,212 B2Aktiebolaget Skf
- Intake valve systems28 Mar 2023US 11,614,006 B1Southwest Research Institute
- Hydraulic support element with a ring filter24 Sep 2019US 10,422,255 B2Schaeffler Technologies AG & Co. KG
- Methods and system for operating an exhaust valve of an internal combustion engine6 Feb 2018US 9,885,260 B2Ford Global Technologies, LLC
- Pressure balanced engine valves29 Jan 2013US 8,360,019 B2Scuderi Group, LLC
- Apparatus comprising a plurality of tools each having at least one hydraulic chamber for hydraulic liquid29 Jan 2026US 2026/0028923 A1Freevalve AB
- Valve stem seal26 Jan 2023US 2023/0021872 A1Aktiebolaget Skf
- Method for introducing highly precompressed combustion air into a combustion chamber of an internal combustion engine, high-pressure inlet valve therefor and internal combustion engine having such a high-pressure inlet valve24 Mar 2022US 2022/0090522 A1Erwin Junker Grinding Technology A.S.
- Hydraulic support element with a ring filter13 Dec 2018US 2018/0355768 A1Schaeffler Technologies AG & Co. KG
- Methods and system for operating an exhaust valve of an internal combustion engine30 Nov 2017US 2017/0342872 A1Ford Global Technologies, LLC
Most cited
By later US patents
- Variable valve actuator with a pneumatic booster14US 7,536,984 B2LGD Technology, LLC · 2009
- Valve spring device for a valve in an internal combustion engine9US 4,777,916 AAB Volvo · 1988
- Variable valve actuator with a pneumatic booster4US 8,051,812 B2Scuderi Group, LLC · 2011
- Variable valve actuator with a pneumatic booster4US 8,146,547 B2Scuderi Group, LLC · 2012
- Pressure balanced engine valves1US 8,360,019 B2Scuderi Group, LLC · 2013