F01P 1/02
Arrangements for cooling cylinders or cylinder heads
Official title: Arrangements for cooling cylinders or cylinder heads, e.g. ducting cooling-air from its pressure source to cylinders or along cylinders
F01P1/02 (Arrangements for cooling cylinders or cylinder heads) appears on 262 US grants and 191 published applications in this corpus.
Search patents in F01P- Granted patents
- 262
- Published applications
- 191
- Assignees
- 108
- Inventors
- 515
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 3 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 2 | 0 |
| 1985 | 5 | 0 |
| 1986 | 3 | 0 |
| 1987 | 7 | 0 |
| 1988 | 8 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 2 | 0 |
| 1993 | 4 | 0 |
| 1994 | 5 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 3 | 0 |
| 2000 | 3 | 0 |
| 2001 | 5 | 3 |
| 2002 | 2 | 4 |
| 2003 | 6 | 7 |
| 2004 | 5 | 7 |
| 2005 | 7 | 7 |
| 2006 | 2 | 8 |
| 2007 | 4 | 6 |
| 2008 | 7 | 5 |
| 2009 | 6 | 9 |
| 2010 | 3 | 5 |
| 2011 | 7 | 1 |
| 2012 | 3 | 5 |
| 2013 | 1 | 7 |
| 2014 | 8 | 8 |
| 2015 | 7 | 10 |
| 2016 | 8 | 9 |
| 2017 | 8 | 19 |
| 2018 | 16 | 11 |
| 2019 | 15 | 14 |
| 2020 | 11 | 9 |
| 2021 | 5 | 4 |
| 2022 | 20 | 13 |
| 2023 | 12 | 11 |
| 2024 | 7 | 5 |
| 2025 | 4 | 1 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Power systems and enclosures having an improved compressor drive14 Jul 2026US 12,680,494 B2Illinois Tool Works Inc.
- Compact utility machine with a passive cooling system26 May 2026US 12,637,834 B2Wacker Neuson America Corporation
- Pressurized oil system powered by two-stroke engine11 Nov 2025US 12,467,391 B2Arctic Cat Inc.
- Air-cooled, four-stroke aviation engine30 Sep 2025US 12,429,010 B2Textron Innovations Inc.
- Engine exhaust heat management system25 Feb 2025US 12,234,759 B2Discovery Energy, LLC
- Thermal choke, autostart generator system, and method of use thereof18 Jun 2026US 2026/0168466 A1The Dewey Electronics Corporation
- Pressurized oil system powered by two-stroke engine12 Feb 2026US 2026/0043341 A1Arctic Cat Inc.
- Air-cooled, four-stroke aviation engine22 Jan 2026US 2026/0022676 A1Textron Innovations Inc.
- Work apparatus with internal combustion engine27 Feb 2025US 2025/0065485 A1Andreas Stihl AG & CO.KG
- Pressurized oil system powered by two-stroke engine17 Oct 2024US 2024/0344469 A1Arctic Cat Inc.
Most cited
By later US patents
- Construction machine168US 9,376,786 B2Kobelco Construction Machinery Co., Ltd. · 2016
- Combined noise suppressing and air flow guide enclosure for engines64US 4,071,009 ACaterpillar Tractor Co. · 1978
- OHC vertical crankshaft engine53US 5,031,591 AHonda Giken Kogyo Kabushiki Kaisha · 1991
- Compact power supply53US 5,121,715 AYamaha Hatsudoki Kabushiki Kaisha · 1992
- Electrical generator set50US 5,890,460 A1999