F02B 75/26
Engines with cylinder axes coaxial with, or parallel or inclined to, main-shaft
Official title: Engines with cylinder axes coaxial with, or parallel or inclined to, main-shaft axis; Engines with cylinder axes arranged substantially tangentially to a circle centred on main-shaft axis
F02B75/26 (Engines with cylinder axes coaxial with, or parallel or inclined to, main-shaft) appears on 246 US grants and 151 published applications in this corpus.
Search patents in F02B- Granted patents
- 246
- Published applications
- 151
- Assignees
- 75
- Inventors
- 293
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 5 | 0 |
| 1978 | 5 | 0 |
| 1979 | 6 | 0 |
| 1980 | 1 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 4 | 0 |
| 1984 | 4 | 0 |
| 1985 | 9 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 6 | 0 |
| 1989 | 2 | 0 |
| 1990 | 6 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 6 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 5 | 0 |
| 2000 | 2 | 0 |
| 2001 | 6 | 0 |
| 2002 | 10 | 3 |
| 2003 | 6 | 9 |
| 2004 | 7 | 6 |
| 2005 | 6 | 8 |
| 2006 | 8 | 7 |
| 2007 | 4 | 12 |
| 2008 | 6 | 10 |
| 2009 | 2 | 7 |
| 2010 | 8 | 7 |
| 2011 | 4 | 5 |
| 2012 | 4 | 10 |
| 2013 | 6 | 4 |
| 2014 | 3 | 7 |
| 2015 | 9 | 9 |
| 2016 | 6 | 2 |
| 2017 | 3 | 3 |
| 2018 | 6 | 9 |
| 2019 | 6 | 8 |
| 2020 | 7 | 7 |
| 2021 | 8 | 6 |
| 2022 | 5 | 4 |
| 2023 | 1 | 3 |
| 2024 | 2 | 1 |
| 2025 | 2 | 1 |
| 2026 | 2 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Carousel internal combustion engine19 May 2026US 12,631,136 B1
- Tangential internal combustion engine19 May 2026US 12,631,137 B2Fnf Innovation Sh.P.K.
- Linear electric device25 Feb 2025US 12,237,752 B2Hts LLC
- Carriage assembly14 Jan 2025US 12,196,084 B2Zpe Ltd
- System and method for opposed piston barrel engine4 Jun 2024US 12,000,332 B2
- Axial internal combustion engine10 Sep 2026US 2026/0266215 A1
- Engine13 Aug 2026US 2026/0235053 A1Ishikawa Energy Research Co., Ltd.
- Tangential internal combustion engine26 Feb 2026US 2026/0055723 A1Fnf Innovation Sh.P.K.
- Cam profile drive assembly1 May 2025US 2025/0137371 A1
- Carriage assembly14 Nov 2024US 2024/0376823 A1Zpe Ltd
Most cited
By later US patents
- Apparatus and method for a balanced internal combustion engine coupled to a drive shaft59US 4,834,033 A1989
- Variable displacement piston engine55US 4,270,495 AGeneral Motors Corporation · 1981
- Internal combustion engine and operating cycle therefor47US 4,635,590 A1987
- Two plus two stroke opposed piston heat engine46US 4,996,953 A1991
- Multiple cylinder sinusoidal engine39US 4,090,478 A1978