F01L 15/00
Valve-gear or valve arrangements
Official title: Valve-gear or valve arrangements, e.g. with reciprocatory slide valves, other than provided for in groups F01L17/00 - F01L29/00 (valve drive or external valve-adjustment during operation, tripping-gear or tripping of valves F01L31/00)
F01L15/00 (Valve-gear or valve arrangements) appears on 49 US grants and 29 published applications in this corpus.
Search patents in F01L- Granted patents
- 49
- Published applications
- 29
- Assignees
- 27
- Inventors
- 68
- Latest grant
- 25 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 2 |
| 2007 | 2 | 2 |
| 2008 | 1 | 0 |
| 2009 | 2 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 4 |
| 2014 | 0 | 1 |
| 2015 | 0 | 3 |
| 2016 | 1 | 5 |
| 2017 | 2 | 1 |
| 2018 | 2 | 2 |
| 2019 | 5 | 4 |
| 2020 | 4 | 1 |
| 2021 | 0 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Subgroups
Granted patents
- F01L 15/08Valve-gear or valve arrangements: with cylindrical, sleeve, or part-annularly-shaped valves14
- F01L 15/10Valve-gear or valve arrangements: with main slide valve and auxiliary valve dragged12
- F01L 15/14Arrangements with several co-operating main valves9
- F01L 15/12Valve-gear or valve arrangements: characterised by having means for effecting pressure equilibrium6
- F01L 15/02Valve-gear or valve arrangements: with valves other than cylindrical, sleeve, or part-annularly-shaped5
- F01L 15/18Valves arrangements not provided for in preceding subgroups of this main group1
- F01L 15/20Component parts, details, or accessories, not provided for in preceding subgroups of0
Recent patents
- Electric power distribution for fracturing operation25 Feb 2025US 12,234,695 B2Typhon Technology Solutions (U.S.), LLC
- Electric power distribution for fracturing operation21 Mar 2023US 11,608,696 B2Typhon Technology Solutions (U.S.), LLC
- Combustion engine11 Oct 2022US 11,466,640 B2
- Heating materials through co-generation of heat and electricity6 Oct 2020US 10,793,780 B2Red Leaf Resources, Inc.
- Method for liquid air and gas energy storage8 Sep 2020US 10,767,515 B2
- Electric Power Distribution for Fracturing Operation20 Jul 2023US 2023/0228161 A1Typhon Technology Solutions (U.S.), LLC
- Replaceable Valve Assembly20 Oct 2022US 2022/0333513 A1
- Improved combustion engine4 Nov 2021US 2021/0340930 A1
- Electric power distribution for fracturing operation19 Mar 2020US 2020/0087997 A1Typhon Technology Solutions, LLC
- Heating Materials Through Co-Generation of Heath and Electricity25 Apr 2019US 2019/0119578 A1Red Leaf Resources, Inc.
Most cited
By later US patents
- Hydration-blender transport for fracturing operation98US 10,415,332 B2Typhon Technology Solutions, LLC · 2019
- Electric power distribution for fracturing operation66US 10,519,730 B2Typhon Technology Solutions, LLC · 2019
- Compressed air-operated motor employing dual lobe cams37US 4,018,050 A1977
- Slide valve27US 4,683,914 A1987
- Reciprocating 2-stroke cycle internal combustion engine17US 5,261,359 A1993