F02F 7/0009
Crankcases of opposed piston engines
Official title: {Crankcases of opposed piston engines}
F02F7/0009 (Crankcases of opposed piston engines) appears on 22 US grants and 16 published applications in this corpus.
Search patents in F02F- Granted patents
- 22
- Published applications
- 16
- Assignees
- 13
- Inventors
- 33
- Latest grant
- 21 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 0 |
| 2013 | 0 | 0 |
| 2014 | 0 | 0 |
| 2015 | 0 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 3 | 3 |
| 2020 | 5 | 4 |
| 2021 | 4 | 2 |
| 2022 | 3 | 1 |
| 2023 | 0 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Internal combustion engine having common engine parts and method of forming same21 Apr 2026US 12,607,144 B2ASF Technologies (Australia) Pty Ltd
- Internal combustion engine including through-bolt aperture and single through-bolt25 Nov 2025US 12,480,438 B2Cummins Inc.
- Enhanced aero diesel engine30 Aug 2022US 11,428,157 B2General Atomics Aeronautical Systems, Inc.
- Opposed piston engine2 Aug 2022US 11,401,812 B2Hts LLC
- Engine crank and connecting rod mechanism15 Mar 2022US 11,274,552 B2
- Boxer Engine and Vehicle with a Boxer Engine1 Oct 2026US 2026/0298175 A1Dr. Ing. h,c.F. Porsche Aktiengesellschaft
- Internal combustion engine including through-bolt aperture and single through-bolt9 Oct 2025US 2025/0314197 A1Cummins Inc.
- Internal Combustion Engine Having Common Engine Parts And Method Of Forming Same8 Feb 2024US 2024/0044286 A1ASF Technologies (Australia) Pty Ltd
- Opposed piston engine27 Jan 2022US 2022/0025767 A1Hts LLC
- Engine Crank and Connecting Rod Mechanism9 Dec 2021US 2021/0381377 A1
Most cited
By later US patents
- Cylinder block of an internal-combustion engine9US 5,842,447 ADr. Ing. h,c.F. Porsche Aktiengesellschaft · 1998
- Structure of bearing housing of cylinder block7US 6,647,945 B2Fuji Jukogyo Kabushiki Kaisha · 2003
- Opposed-piston engine structure with a split cylinder block6US 9,435,290 B2Achates Power, Inc. · 2016
- High-performance internal combustion engine4US 10,626,792 B22020
- Engine crank and connecting rod mechanism2US 10,370,970 B12019