F02M 23/006
Valves specially shaped for supplying secondary air
Official title: {Valves specially shaped for supplying secondary air}
F02M23/006 (Valves specially shaped for supplying secondary air) appears on 29 US grants and 31 published applications in this corpus.
Search patents in F02M- Granted patents
- 29
- Published applications
- 31
- Assignees
- 23
- Inventors
- 49
- Latest grant
- 6 May 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 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 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 1 |
| 2004 | 0 | 1 |
| 2005 | 1 | 1 |
| 2006 | 1 | 0 |
| 2007 | 1 | 5 |
| 2008 | 1 | 2 |
| 2009 | 2 | 1 |
| 2010 | 2 | 0 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 2 |
| 2014 | 0 | 1 |
| 2015 | 1 | 1 |
| 2016 | 3 | 2 |
| 2017 | 0 | 3 |
| 2018 | 2 | 2 |
| 2019 | 0 | 1 |
| 2020 | 5 | 3 |
| 2021 | 3 | 1 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 1 | 2 |
| 2025 | 2 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Supply system6 May 2025US 12,292,020 B2Isuzu Motors Limited
- Fuel nozzle having different first and second discharge orifices for providing a hydrogen-air mixture14 Jan 2025US 12,196,165 B2Rolls-Royce Deutschland Ltd & Co KG
- Oxidizer and fuel supply system for internal combustion engines2 Jul 2024US 12,025,083 B2
- Valve arrangement and valve guide12 Oct 2021US 11,143,146 B2Volvo Truck Corporation
- Methods and systems for operating an adjustable pre-chamber10 Aug 2021US 11,085,402 B1Ford Global Technologies, LLC
- Supply system19 Sep 2024US 2024/0309832 A1Isuzu Motors Limited
- Fuel nozzle having different first and second discharge orifices for providing a hydrogen-air mixture20 Jun 2024US 2024/0200521 A1Rolls-Royce Deutschland Ltd & Co KG
- Oxidizer and fuel supply system for internal combustion engines30 Nov 2023US 2023/0383713 A1
- Reciprocating-piston internal combustion engine with device for increasing the torque thereof16 Sep 2021US 2021/0285361 A1
- Passive centrifugal bleed valve system for a gas turbine engine3 Dec 2020US 2020/0378343 A1United Technologies Corporation
Most cited
By later US patents
- Device and method in combustion engines25US 6,138,616 AAB Volvo · 2000
- Flow control valve13US 5,791,630 AMitsubishi Denki Kabushiki Kaisha · 1998
- Methods and systems for operating an adjustable pre-chamber12US 11,085,402 B1Ford Global Technologies, LLC · 2021
- Supplementary air valve for a fuel supply apparatus11US 4,197,823 ARobert Bosch GmbH · 1980
- Method and device for increasing the torque of a reciprocating piston internal combustion engine, in particular of a diesel engine10US 7,762,069 B2KNORR-BREMSE Systeme fuer Nutzfahrzeuge GmbH · 2010