F02F 7/0021
Construction
Official title: {Construction}
F02F7/0021 (Construction) appears on 242 US grants and 246 published applications in this corpus.
Search patents in F02F- Granted patents
- 242
- Published applications
- 246
- Assignees
- 110
- Inventors
- 532
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 10 |
| 2002 | 6 | 7 |
| 2003 | 11 | 3 |
| 2004 | 2 | 4 |
| 2005 | 6 | 6 |
| 2006 | 6 | 6 |
| 2007 | 4 | 9 |
| 2008 | 6 | 6 |
| 2009 | 6 | 4 |
| 2010 | 2 | 6 |
| 2011 | 1 | 2 |
| 2012 | 4 | 10 |
| 2013 | 0 | 4 |
| 2014 | 11 | 11 |
| 2015 | 8 | 24 |
| 2016 | 10 | 12 |
| 2017 | 22 | 17 |
| 2018 | 15 | 12 |
| 2019 | 10 | 14 |
| 2020 | 18 | 23 |
| 2021 | 27 | 16 |
| 2022 | 13 | 12 |
| 2023 | 6 | 7 |
| 2024 | 4 | 9 |
| 2025 | 15 | 5 |
| 2026 | 5 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F02F 2007/0041Fixing boltsIndexing code44
- F02F 7/0031Construction kit principle39
- F02F 7/0036Casings for two-stroke engines with scavenging conduits28
- F02F 7/0039Casings for small engines, especially with crankcase pumps22
- F02F 7/0034Built from sheet material and welded casings10
- F02F 7/0024Casings for larger engines6
- F02F 7/0029Space-frames3
Recent patents
- Cylinder block and internal combustion engine system22 Sep 2026US 12,742,432 B2Cummins Inc.
- Engine assembly oil management14 Jul 2026US 12,680,519 B2Arctic Cat Inc.
- Internal combustion engine having common engine parts and method of forming same21 Apr 2026US 12,607,144 B2ASF Technologies (Australia) Pty Ltd
- Engine deck extender21 Apr 2026US 12,607,156 B1P2P Services, LLC
- Interchangeable engine assembly10 Feb 2026US 12,546,270 B2Arctic Cat Inc.
- Boxer Engine and Vehicle with a Boxer Engine1 Oct 2026US 2026/0298175 A1Dr. Ing. h,c.F. Porsche Aktiengesellschaft
- V-type internal combustion engine20 Aug 2026US 2026/0243193 A1Liebherr-Components Colmar SAS
- Interchangeable engine assembly18 Jun 2026US 2026/0168462 A1Arctic Cat Inc.
- Burr-shaped cast-in cylinder liner and inspection method for same14 May 2026US 2026/0132757 A1Zynp Corporation
- Engine system23 Apr 2026US 2026/0110275 A1Cummins Inc.
Most cited
By later US patents
- Lightweight engine40US 4,554,893 AGeneral Motors Corporation · 1985
- Four stroke engine having flexible arrangement28US 6,415,759 B2Bombardier-Rotax GmbH · 2002
- Four stroke engine having a supercharger27US 6,568,376 B2Bombardier-Rotax GmbH · 2003
- Four stroke engine having power take off assembly27US 6,626,140 B2Bombardier-Rotax GmbH · 2003
- Modular engine26US 6,105,542 A2000