F01P 2050/04
Using direct cooling
Official title: using direct cooling
F01P2050/04 (Using direct cooling) appears on 128 US grants and 73 published applications in this corpus.
Search patents in F01P- Granted patents
- 128
- Published applications
- 73
- Assignees
- 39
- Inventors
- 198
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 3 | 0 |
| 1993 | 5 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 4 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 5 | 0 |
| 2000 | 3 | 0 |
| 2001 | 4 | 9 |
| 2002 | 14 | 5 |
| 2003 | 8 | 5 |
| 2004 | 8 | 8 |
| 2005 | 6 | 2 |
| 2006 | 8 | 6 |
| 2007 | 4 | 6 |
| 2008 | 5 | 2 |
| 2009 | 4 | 4 |
| 2010 | 3 | 2 |
| 2011 | 2 | 3 |
| 2012 | 0 | 0 |
| 2013 | 2 | 0 |
| 2014 | 2 | 2 |
| 2015 | 1 | 2 |
| 2016 | 1 | 2 |
| 2017 | 3 | 2 |
| 2018 | 3 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 3 |
| 2021 | 3 | 1 |
| 2022 | 7 | 2 |
| 2023 | 1 | 3 |
| 2024 | 3 | 3 |
| 2025 | 1 | 1 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cooling device for ship propulsion machine10 Mar 2026US 12,571,339 B2Suzuki Motor Corporation
- Cooling device for ship propulsion machine4 Nov 2025US 12,459,623 B2Suzuki Motor Corporation
- V-type engine, outboard motor, and watercraft3 Dec 2024US 12,158,091 B2Honda Motor Co., Ltd.
- Outboard motor cooling water induction system9 Apr 2024US 11,952,093 B2
- Outboard motor26 Mar 2024US 11,939,037 B2Honda Motor Co., Ltd.
- Marine vessel and marine engine cooling system29 May 2025US 2025/0171128 A1Yamaha Hatsudoki Kabushiki Kaisha
- Outboard motor and boat propulsion device27 Jun 2024US 2024/0208629 A1Yamaha Hatsudoki Kabushiki Kaisha
- Outboard motor27 Jun 2024US 2024/0208630 A1Yamaha Hatsudoki Kabushiki Kaisha
- V-type engine, outboard motor, and watercraft13 Jun 2024US 2024/0191648 A1Honda Motor Co., Ltd.
- Outboard Motor Cooling Water Induction System13 Jul 2023US 2023/0219673 A1
Most cited
By later US patents
- Cooling device for boat engine47US 4,991,546 ASanshin Kogyo Kabushiki Kaisha · 1991
- Cooling arrangement for engine43US 5,873,330 ASanshin Kogyo Kabushiki Kaisha · 1999
- Marine propulsion auxiliary cooling system38US 4,728,306 ABrunswick Corporation · 1988
- Exhaust system for watercraft34US 5,536,189 ASanshin Kogyo Kabushiki Kaisha · 1996
- Cooling system for a marine propulsion engine31US 7,318,396 B1Brunswick Corporation · 2008