F01P 2001/023
Cooling cylinders
Official title: {Cooling cylinders (F01P2003/022 takes precedence)}
F01P2001/023 (Cooling cylinders) appears on 38 US grants and 37 published applications in this corpus.
Search patents in F01P- Granted patents
- 38
- Published applications
- 37
- Assignees
- 22
- Inventors
- 64
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 1 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 2 |
| 2010 | 0 | 1 |
| 2011 | 3 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 1 | 1 |
| 2015 | 0 | 2 |
| 2016 | 1 | 1 |
| 2017 | 1 | 3 |
| 2018 | 2 | 2 |
| 2019 | 3 | 6 |
| 2020 | 7 | 4 |
| 2021 | 0 | 2 |
| 2022 | 6 | 4 |
| 2023 | 5 | 4 |
| 2024 | 4 | 3 |
| 2025 | 2 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Pressurized oil system powered by two-stroke engine11 Nov 2025US 12,467,391 B2Arctic Cat Inc.
- Engine exhaust heat management system25 Feb 2025US 12,234,759 B2Discovery Energy, LLC
- Pressurized oil system powered by two-stroke engine6 Aug 2024US 12,055,076 B2Arctic Cat Inc.
- Internal combustion engine6 Aug 2024US 12,055,088 B2Honda Motor Co., Ltd.
- Engine exhaust heat management system19 Mar 2024US 11,933,209 B2Kohler Co.
- Pressurized oil system powered by two-stroke engine12 Feb 2026US 2026/0043341 A1Arctic Cat Inc.
- Pressurized oil system powered by two-stroke engine17 Oct 2024US 2024/0344469 A1Arctic Cat Inc.
- Engine exhaust heat management system6 Jun 2024US 2024/0183296 A1Kohler Co.
- V-twin engine assembly11 Jan 2024US 2024/0011426 A1Briggs & Stratton Corporation
- Pressurized oil system powered by two-stroke engine12 Oct 2023US 2023/0323799 A1Arctic Cat Inc.
Most cited
By later US patents
- Air flow guide for an internal combustion engine13US 9,617,951 B2Champion Engine Technology, LLC · 2017
- Pressurized oil system powered by two-stroke engine12US 11,255,231 B2Arctic Cat Inc. · 2022
- Air-cooled V-type combustion engine8US 7,958,855 B2Kawasaki Jukogyo Kabushiki Kaisha · 2011
- Four-stroke engine6US 7,367,293 B2Yamaha Hatsudoki Kabushiki Kaisha · 2008
- Internal combustion engine4US 4,445,486 AKirloskar Oil Engines Limited · 1984