F01P 2003/024
Cooling cylinder heads
Official title: {Cooling cylinder heads}
F01P2003/024 (Cooling cylinder heads) appears on 251 US grants and 258 published applications in this corpus.
Search patents in F01P- Granted patents
- 251
- Published applications
- 258
- Assignees
- 99
- Inventors
- 612
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 2 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 2 | 0 |
| 2001 | 3 | 1 |
| 2002 | 5 | 2 |
| 2003 | 2 | 6 |
| 2004 | 8 | 8 |
| 2005 | 6 | 12 |
| 2006 | 11 | 13 |
| 2007 | 7 | 2 |
| 2008 | 6 | 2 |
| 2009 | 1 | 3 |
| 2010 | 2 | 2 |
| 2011 | 2 | 4 |
| 2012 | 2 | 7 |
| 2013 | 3 | 5 |
| 2014 | 7 | 3 |
| 2015 | 4 | 15 |
| 2016 | 6 | 20 |
| 2017 | 10 | 36 |
| 2018 | 19 | 27 |
| 2019 | 36 | 33 |
| 2020 | 35 | 15 |
| 2021 | 20 | 12 |
| 2022 | 15 | 12 |
| 2023 | 8 | 6 |
| 2024 | 6 | 4 |
| 2025 | 1 | 6 |
| 2026 | 5 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Internal combustion engine with combustion pre-chamber6 Oct 2026US 12,753,717 B2Brp-Rotax GmbH & Co. KG
- Heat management system and heat management method of an internal combustion engine1 Sep 2026US 12,723,535 B2Ino8 Pty Ltd.
- Drainage structure for cooling water2 Jun 2026US 12,644,404 B2Suzuki Motor Corporation
- Cylinder head structure5 May 2026US 12,618,356 B2Kubota Corporation
- Engine cooling device24 Mar 2026US 12,584,436 B2Toyota Jidosha Kabushiki Kaisha
- Flow path structure30 Apr 2026US 2026/0117692 A1Toyota Jidosha Kabushiki Kaisha
- Concept for integration of a mobile carbon capture system with an internal combustion engine5 Mar 2026US 2026/0061363 A1Aramco Services Company
- Cylinder head structure9 Oct 2025US 2025/0314192 A1Kubota Corporation
- Internal combustion engine9 Oct 2025US 2025/0314193 A1
- Engine cooling device7 Aug 2025US 2025/0250926 A1Toyota Jidosha Kabushiki Kaisha
Most cited
By later US patents
- Cooling system for a vehicle having an internal-combustion engine99US 5,215,044 ABehr GmbH & Co. · 1993
- Engine cooling system67US 6,955,141 B2General Motors Corporation · 2005
- Dual coolant engine cooling system47US 4,348,991 ACummins Engine Company, Inc. · 1982
- Internal combustion engine33US 7,191,740 B2Honda Giken Kogyo Kabushiki Kaisha · 2007
- Engine cooling system and control valve assembly providing mixed or unmixed head and block cooling31US 4,370,950 AToyota Jidosha Kabushiki Kaisha · 1983