F01P 11/0238
With overpressure valves or vent valves
Official title: {with overpressure valves or vent valves}
F01P11/0238 (With overpressure valves or vent valves) appears on 96 US grants and 55 published applications in this corpus.
Search patents in F01P- Granted patents
- 96
- Published applications
- 55
- Assignees
- 54
- Inventors
- 162
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 2 | 0 |
| 2001 | 4 | 0 |
| 2002 | 6 | 2 |
| 2003 | 1 | 2 |
| 2004 | 3 | 6 |
| 2005 | 2 | 6 |
| 2006 | 2 | 4 |
| 2007 | 5 | 2 |
| 2008 | 3 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 0 |
| 2012 | 1 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 1 |
| 2015 | 0 | 2 |
| 2016 | 0 | 4 |
| 2017 | 3 | 3 |
| 2018 | 3 | 3 |
| 2019 | 2 | 0 |
| 2020 | 3 | 4 |
| 2021 | 1 | 2 |
| 2022 | 4 | 3 |
| 2023 | 1 | 2 |
| 2024 | 1 | 3 |
| 2025 | 1 | 1 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Coolant filler neck assembly having integrated coolant overflow reservoir23 Dec 2025US 12,503,972 B2Harley-Davidson Motor Company
- Coolant filler neck assembly having integrated coolant overflow reservoir4 Jun 2024US 12,000,323 B2Harley-Davidson Motor Company
- Vapor leak pressure relief and diversion system18 Jul 2023US 11,702,976 B2Rolls-Royce North American Technologies Inc.
- Expansion tank arrangement of a cooling circuit and method for operating an expansion tank arrangement of a cooling circuit6 Dec 2022US 11,519,320 B2Dr. Ing. h,c.F. Porsche Aktiengesellschaft
- Radiator filler neck18 Oct 2022US 11,473,492 B2
- Coolant filler neck assembly having integrated coolant overflow resevoir5 Mar 2026US 2026/0063061 A1Harley-Davidson Motor Company
- Radiator cap27 Nov 2025US 2025/0361944 A1Coplus Inc.
- Coolant filler neck assembly having integrated coolant overflow reservoir22 Aug 2024US 2024/0280045 A1Harley-Davidson Motor Company
- Coolant filler neck assembly having integrated coolant overflow reservoir11 Apr 2024US 2024/0117762 A1Harley-Davidson Motor Company Group, Inc.
- Cap Assembly and Bottle Assembly15 Feb 2024US 2024/0051701 A1Illinois Tool Works Inc.
Most cited
By later US patents
- Radiator neck with radiator cover cap35US 5,071,020 AReutter Metallwarenfabrik GmbH · 1991
- Radiator cap25US 4,185,751 AStant Manufacturing Inc. · 1980
- Cooling circuit for internal combustion engines25US 4,510,893 ABayerische Motoren Werke Aktiengesellschaft · 1985
- Closure and valving apparatus24US 4,498,599 A1985
- Internal combustion engine system22US 3,981,279 AGeneral Motors Corporation · 1976