F02F 1/18
Cylinders: other cylinders
Official title: Other cylinders
F02F1/18 (Cylinders: other cylinders) appears on 701 US grants and 512 published applications in this corpus.
Search patents in F02F- Granted patents
- 701
- Published applications
- 512
- Assignees
- 258
- Inventors
- 1,208
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 13 | 0 |
| 1982 | 10 | 0 |
| 1983 | 11 | 0 |
| 1984 | 10 | 0 |
| 1985 | 6 | 0 |
| 1986 | 10 | 0 |
| 1987 | 14 | 0 |
| 1988 | 12 | 0 |
| 1989 | 11 | 0 |
| 1990 | 10 | 0 |
| 1991 | 21 | 0 |
| 1992 | 8 | 0 |
| 1993 | 8 | 0 |
| 1994 | 12 | 0 |
| 1995 | 12 | 0 |
| 1996 | 10 | 0 |
| 1997 | 10 | 0 |
| 1998 | 11 | 0 |
| 1999 | 12 | 0 |
| 2000 | 17 | 0 |
| 2001 | 10 | 8 |
| 2002 | 11 | 17 |
| 2003 | 20 | 24 |
| 2004 | 17 | 9 |
| 2005 | 13 | 14 |
| 2006 | 9 | 13 |
| 2007 | 8 | 13 |
| 2008 | 9 | 10 |
| 2009 | 10 | 13 |
| 2010 | 11 | 27 |
| 2011 | 11 | 18 |
| 2012 | 8 | 23 |
| 2013 | 14 | 28 |
| 2014 | 19 | 28 |
| 2015 | 28 | 35 |
| 2016 | 28 | 38 |
| 2017 | 28 | 47 |
| 2018 | 38 | 38 |
| 2019 | 35 | 27 |
| 2020 | 33 | 23 |
| 2021 | 36 | 14 |
| 2022 | 16 | 12 |
| 2023 | 20 | 14 |
| 2024 | 8 | 5 |
| 2025 | 6 | 7 |
| 2026 | 6 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Internal combustion engine19 May 2026US 12,631,138 B2Carnot, S.A.
- Engine deck extender21 Apr 2026US 12,607,156 B1P2P Services, LLC
- Cylinder17 Mar 2026US 12,577,922 B2Tpr Co., Ltd.
- Cylinder liner and internal combustion engine24 Feb 2026US 12,560,130 B2KS Kolbenschmidt GmbH
- Multi-port exhaust valve17 Feb 2026US 12,553,402 B2Arctic Cat Inc.
- Spark ignition engine and method for operating spark ignition engine17 Sep 2026US 2026/0275932 A1Mazda Motor Corporation
- Internal combustion engine and vehicle11 Jun 2026US 2026/0160218 A1Isuzu Motors Limited
- Cylinder, internal combustion engine, and vehicle11 Jun 2026US 2026/0160219 A1Isuzu Motors Limited
- Burr-shaped cast-in cylinder liner and inspection method for same14 May 2026US 2026/0132757 A1Zynp Corporation
- Internal combustion engine12 Feb 2026US 2026/0043373 A1
Most cited
By later US patents
- Cylinder and piston assemblies for opposed piston engines88US 7,861,679 B2Achates Power, Inc. · 2011
- Combustion chamber importing system for two-cycle diesel engine54US 4,774,919 AYamaha Hatsudoki Kabushiki Kaisha · 1988
- Stratified scavenging two-cycle engine53US 6,289,856 B1Komatsu Zenoah Co. · 2001
- Method of depositing and using a composite coating on light metal substrates43US 5,592,927 AFord Motor Company · 1997
- Thermal spray method for coating cylinder bores for internal combustion engines38US 5,334,235 AThe Perkin-Elmer Corporation · 1994