F02B 75/007
Internal-combustion piston engines: other engines: having vertical crankshafts
Official title: {having vertical crankshafts}
F02B75/007 (Internal-combustion piston engines: other engines: having vertical crankshafts) appears on 295 US grants and 100 published applications in this corpus.
Search patents in F02B- Granted patents
- 295
- Published applications
- 100
- Assignees
- 62
- Inventors
- 406
- Latest grant
- 16 Sep 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 9 | 0 |
| 1986 | 10 | 0 |
| 1987 | 10 | 0 |
| 1988 | 9 | 0 |
| 1989 | 21 | 0 |
| 1990 | 17 | 0 |
| 1991 | 16 | 0 |
| 1992 | 6 | 0 |
| 1993 | 3 | 0 |
| 1994 | 5 | 0 |
| 1995 | 5 | 0 |
| 1996 | 8 | 0 |
| 1997 | 10 | 0 |
| 1998 | 10 | 0 |
| 1999 | 11 | 0 |
| 2000 | 11 | 0 |
| 2001 | 11 | 2 |
| 2002 | 8 | 6 |
| 2003 | 4 | 4 |
| 2004 | 8 | 4 |
| 2005 | 6 | 11 |
| 2006 | 9 | 3 |
| 2007 | 2 | 7 |
| 2008 | 5 | 1 |
| 2009 | 1 | 2 |
| 2010 | 3 | 0 |
| 2011 | 1 | 1 |
| 2012 | 2 | 0 |
| 2013 | 0 | 1 |
| 2014 | 0 | 2 |
| 2015 | 1 | 2 |
| 2016 | 3 | 4 |
| 2017 | 4 | 16 |
| 2018 | 9 | 8 |
| 2019 | 10 | 1 |
| 2020 | 4 | 7 |
| 2021 | 6 | 5 |
| 2022 | 5 | 6 |
| 2023 | 6 | 4 |
| 2024 | 4 | 3 |
| 2025 | 4 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Small air-cooled engine assembly with dry sump lubrication system16 Sep 2025US 12,416,252 B2Briggs & Stratton Corporation
- Internal combustion engine and lubrication system thereof29 Apr 2025US 12,286,924 B2Brp-Rotax GmbH & Co. KG
- Cooling system for air-cooled engine21 Jan 2025US 12,203,426 B2Briggs & Stratton Corporation
- Internal combustion engine and lubrication system thereof7 Jan 2025US 12,188,401 B2Brp-Rotax GmbH & Co. KG
- Internal combustion engine including a cylinder crankcase and a cylinder head with an integrated height-adjustable fan attachment for elastic v-ribbed belts10 Sep 2024US 12,085,013 B2Deutz Aktiengesellschaft
- Internal combustion engine including a cylinder crankcase and a cylinder head with an integrated height-adjustable fan attachment for elastic v-ribbed belts14 Mar 2024US 2024/0084729 A1Deutz Aktiengesellschaft
- Internal combustion engine and lubrication system thereof22 Feb 2024US 2024/0060434 A1Brp-Rotax GmbH & Co. KG
- Internal combustion engine and lubrication system thereof22 Feb 2024US 2024/0060445 A1Brp-Rotax GmbH & Co. KG
- Cooling system for air-cooled engine19 Oct 2023US 2023/0332557 A1Briggs & Stratton Corporation
- Pump shaft support structure12 Oct 2023US 2023/0323875 A1Kawasaki Motors, Ltd.
Most cited
By later US patents
- Air-cooled type cooling system for engine working machine assembly75US 4,907,546 AKubota Corporation · 1990
- Generator including vertically shafted engine66US 6,952,056 B2Briggs & Stratton Power Products Group, LLC · 2005
- Air cleaner for internal combustion engine65US 4,233,043 ABriggs & Stratton Corporation · 1980
- Vertical shaft pressure washer coupling assembly61US 5,494,414 AMi-T-M Corporation · 1996
- Overhead cam engine with dry sump lubrication system57US 5,755,194 ATecumseh Products Company · 1998