F02M 61/188
Spherical or partly spherical shaped valve member ends
Official title: {Spherical or partly spherical shaped valve member ends}
F02M61/188 (Spherical or partly spherical shaped valve member ends) appears on 198 US grants and 196 published applications in this corpus.
Search patents in F02M- Granted patents
- 198
- Published applications
- 196
- Assignees
- 59
- Inventors
- 409
- Latest grant
- 18 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 4 | 0 |
| 2001 | 3 | 2 |
| 2002 | 8 | 13 |
| 2003 | 8 | 17 |
| 2004 | 13 | 7 |
| 2005 | 11 | 24 |
| 2006 | 5 | 13 |
| 2007 | 11 | 14 |
| 2008 | 15 | 9 |
| 2009 | 8 | 8 |
| 2010 | 5 | 7 |
| 2011 | 6 | 5 |
| 2012 | 7 | 5 |
| 2013 | 2 | 3 |
| 2014 | 8 | 9 |
| 2015 | 1 | 10 |
| 2016 | 6 | 6 |
| 2017 | 8 | 5 |
| 2018 | 5 | 7 |
| 2019 | 7 | 10 |
| 2020 | 10 | 5 |
| 2021 | 2 | 9 |
| 2022 | 3 | 2 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
| 2025 | 3 | 3 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fuel injection arrangement and a hydrogen internal combustion engine18 Nov 2025US 12,473,877 B2Volvo Truck Corporation
- Fuel injection device15 Jul 2025US 12,359,645 B2Hitachi Astemo, Ltd.
- Working method of orifice and fuel injection valve29 Apr 2025US 12,286,950 B2Hitachi Astemo, Ltd.
- Assembly for fuel injector and coating method for the same23 Apr 2024US 11,965,475 B2Hyundai Kefico Corporation
- Direct injection fuel injection valve9 May 2023US 11,644,001 B2Hitachi Astemo, Ltd.
- Fuel injector9 Jul 2026US 2026/0194034 A1
- A fuel injection arrangement and a hydrogen internal combustion engine20 Feb 2025US 2025/0059937 A1Volvo Truck Corporation
- A fuel gas injection arrangement and a hydrogen internal combustion engine20 Feb 2025US 2025/0059940 A1Volvo Truck Corporation
- A nozzle cap, a fuel gas injection and a hydrogen internal combustion engine13 Feb 2025US 2025/0052213 A1Volvo Truck Corporation
- Precision valve for vehicle5 Oct 2023US 2023/0313771 A1GM Global Technology Operations LLC
Most cited
By later US patents
- Fuel oil injector with a floating ball as its valve unit75US 5,054,691 AIndustrial Technology Research Institute · 1991
- Fuel injector with anti-scale ceramic coating for direct injection68US 6,267,307 B1Magneti Marelli France · 2001
- Fuel break-up disc for injection valve64US 4,057,190 AThe Bendix Corporation · 1977
- Electromagnetically actuatable fuel injection valve49US 5,190,221 ARobert Bosch GmbH · 1993
- Fuel injector having novel multiple orifice disk members46US 5,484,108 ASiemens Automotive Corporation · 1996