F02M 61/1873
Valve seats or member ends having circumferential grooves or ridges
Official title: {Valve seats or member ends having circumferential grooves or ridges, e.g. toroidal}
F02M61/1873 (Valve seats or member ends having circumferential grooves or ridges) appears on 77 US grants and 75 published applications in this corpus.
Search patents in F02M- Granted patents
- 77
- Published applications
- 75
- Assignees
- 41
- Inventors
- 184
- Latest grant
- 3 Sep 2024
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 4 |
| 2003 | 5 | 5 |
| 2004 | 5 | 4 |
| 2005 | 3 | 6 |
| 2006 | 8 | 5 |
| 2007 | 3 | 6 |
| 2008 | 4 | 4 |
| 2009 | 1 | 3 |
| 2010 | 2 | 2 |
| 2011 | 2 | 3 |
| 2012 | 2 | 4 |
| 2013 | 1 | 0 |
| 2014 | 4 | 2 |
| 2015 | 1 | 4 |
| 2016 | 2 | 1 |
| 2017 | 4 | 4 |
| 2018 | 3 | 4 |
| 2019 | 2 | 2 |
| 2020 | 4 | 2 |
| 2021 | 2 | 4 |
| 2022 | 2 | 1 |
| 2023 | 1 | 2 |
| 2024 | 2 | 2 |
By publication year. Applications have been published since 2001.
Recent patents
- Fuel injector nozzle assembly including needle having flow guiding tip for directing fuel flow3 Sep 2024US 12,078,136 B2Caterpillar Inc.
- Fuel injector having nozzle spray holes with grooves16 Jul 2024US 12,037,967 B2Cummins Inc.
- Direct injection fuel injection valve9 May 2023US 11,644,001 B2Hitachi Astemo, Ltd.
- Injector apparatus4 Oct 2022US 11,459,990 B2Rklab AG
- Component for flow rate control device, and fuel injection valve26 Apr 2022US 11,313,336 B2Hitachi Astemo, Ltd.
- Fuel injector having nozzle spray holes with grooves10 Oct 2024US 2024/0337232 A1Cummins Inc.
- Fuel injector for use with low energy density fuels30 May 2024US 2024/0175416 A1
- Fuel injector nozzle assembly including needle having flow guiding tip for directing fuel flow23 Nov 2023US 2023/0374961 A1Caterpillar Inc.
- Injection nozzle for injecting fuel under high pressure16 Mar 2023US 2023/0077533 A1
- Fuel injector having nozzle spray holes with grooves24 Feb 2022US 2022/0056874 A1Cummins Inc.
Most cited
By later US patents
- Electromagnetically actuated disc-type valve71US 5,692,723 ASagem-Lucas, Inc. · 1997
- Method of assembling electromagnetically actuated disc-type valve62US 5,937,887 ASagem SA · 1999
- Electromagnetically actuatable fuel injection valve49US 5,190,221 ARobert Bosch GmbH · 1993
- Fuel injection valve with variable discharge area of nozzle holes46US 4,546,739 ADiesel Kiki Co., Ltd. · 1985
- Fuel injection valve arrangement32US 5,199,398 AWartsila Diesel International Ltd Oy · 1993