F02B 2275/00
Internal-combustion piston engines: other engines, components or details, not provided for in
Official title: Other engines, components or details, not provided for in other groups of this subclass
F02B2275/00 (Internal-combustion piston engines: other engines, components or details, not provided for in) appears on 3,902 US grants and 1,163 published applications in this corpus.
Search patents in F02B- Granted patents
- 3,902
- Published applications
- 1,163
- Assignees
- 726
- Inventors
- 5,418
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 43 | 0 |
| 1977 | 37 | 0 |
| 1978 | 49 | 0 |
| 1979 | 37 | 0 |
| 1980 | 60 | 0 |
| 1981 | 60 | 0 |
| 1982 | 52 | 0 |
| 1983 | 44 | 0 |
| 1984 | 108 | 0 |
| 1985 | 117 | 0 |
| 1986 | 92 | 0 |
| 1987 | 129 | 0 |
| 1988 | 115 | 0 |
| 1989 | 126 | 0 |
| 1990 | 147 | 0 |
| 1991 | 169 | 0 |
| 1992 | 152 | 0 |
| 1993 | 162 | 0 |
| 1994 | 125 | 0 |
| 1995 | 130 | 0 |
| 1996 | 157 | 0 |
| 1997 | 132 | 0 |
| 1998 | 139 | 0 |
| 1999 | 141 | 0 |
| 2000 | 117 | 0 |
| 2001 | 130 | 55 |
| 2002 | 124 | 149 |
| 2003 | 173 | 118 |
| 2004 | 110 | 115 |
| 2005 | 96 | 99 |
| 2006 | 83 | 76 |
| 2007 | 77 | 60 |
| 2008 | 51 | 51 |
| 2009 | 25 | 59 |
| 2010 | 39 | 48 |
| 2011 | 46 | 44 |
| 2012 | 23 | 28 |
| 2013 | 39 | 23 |
| 2014 | 33 | 26 |
| 2015 | 22 | 25 |
| 2016 | 23 | 24 |
| 2017 | 16 | 17 |
| 2018 | 29 | 26 |
| 2019 | 17 | 32 |
| 2020 | 22 | 24 |
| 2021 | 29 | 20 |
| 2022 | 14 | 14 |
| 2023 | 15 | 6 |
| 2024 | 7 | 12 |
| 2025 | 13 | 8 |
| 2026 | 6 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- F02B 2275/18Dohc [double overhead camshaft]Indexing code1,268
- F02B 2275/14Direct injection into combustion chamberIndexing code1,063
- F02B 2275/20Sohc [single overhead camshaft]Indexing code462
- F02B 2275/48Tumble motion in gas movement in cylinderIndexing code310
- F02B 2275/34Lateral camshaft positionIndexing code255
- F02B 2275/06Endless member is a beltIndexing code188
- F02B 2275/40Squish effectIndexing code173
- F02B 2275/16Indirect injectionIndexing code168
All 22 subgroupsShow fewer
- F02B 2275/32Miller cycleIndexing code155
- F02B 2275/08Endless member is a chainIndexing code96
- F02B 2275/22Side valvesIndexing code73
- F02B 2275/36Modified dwell of piston in tdcIndexing code54
- F02B 2275/10Diamond configuration of valves in cylinder headsIndexing code33
- F02B 2275/02Attachment or mounting of cylinder heads on cylindersIndexing code17
- F02B 2275/30Inverted positioning of enginesIndexing code17
- F02B 2275/44Tools for enginesIndexing code7
- F02B 2275/26Flame plateIndexing code6
- F02B 2275/38Square four-cylinder configurationIndexing code4
- F02B 2275/28Timing distribution gearIndexing code2
- F02B 2275/42Texaco combustion processIndexing code1
- F02B 2275/46Total energy plantIndexing code1
- F02B 2275/50Walking beam arrangement of rockers in valve driveIndexing code1
Recent patents
- Low noise power systems and associated methods8 Sep 2026US 12,729,750 B2Illinois Tool Works Inc.
- Intake over intake engine21 Jul 2026US 12,687,135 B1
- Car provided with an internal combustion engine arranged with the drive shaft up5 May 2026US 12,617,264 B2Ferrari S.P. A.
- Front end motor-generator system and hybrid electric vehicle operating method17 Feb 2026US 12,553,379 B2Bendix Commercial Vehicle Systems LLC
- Hydrogen engine10 Feb 2026US 12,546,248 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Gaseous fuel combustion system and method utilizing a piston reentrant feature for hastened fuel-air mixing16 Jul 2026US 2026/0201829 A1Caterpillar Inc.
- Piston for reciprocating within a cylinder in an internal combustion engine18 Jun 2026US 2026/0168460 A1Cummins Inc.
- Land vehicle with an engine comprising an air intake duct provided with a device for selectively generating an air tumble in the combustion chamber26 Mar 2026US 2026/0085642 A1Ferrari S.P. A.
- Internal combustion engine8 Jan 2026US 2026/0009346 A1
- Internal combustion engine arranged with the crankshaft at the top and corresponding control method20 Nov 2025US 2025/0354505 A1
Most cited
By later US patents
- Internal combustion engine1,364US 4,054,108 AGeneral Motors Corporation · 1977
- Method and apparatus for operation of combustion engines205US 6,155,212 A2000
- Premixed charge compression ignition engine with optimal combustion control196US 6,276,334 B1Cummins Engine Company, Inc. · 2001
- Hybrid vehicle180US 5,806,617 AKabushikikaisha Equos Research · 1998
- Transmission and constant speed accessory drive180US 7,086,981 B2The Gates Corporation · 2006