F02B 33/00
Engines characterised by provision of pumps for charging or scavenging
F02B33/00 (Engines characterised by provision of pumps for charging or scavenging) appears on 2,485 US grants and 2,040 published applications in this corpus.
Search patents in F02B- Granted patents
- 2,485
- Published applications
- 2,040
- Assignees
- 612
- Inventors
- 3,769
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 17 | 0 |
| 1977 | 11 | 0 |
| 1978 | 12 | 0 |
| 1979 | 18 | 0 |
| 1980 | 29 | 0 |
| 1981 | 25 | 0 |
| 1982 | 18 | 0 |
| 1983 | 23 | 0 |
| 1984 | 33 | 0 |
| 1985 | 41 | 0 |
| 1986 | 24 | 0 |
| 1987 | 35 | 0 |
| 1988 | 28 | 0 |
| 1989 | 45 | 0 |
| 1990 | 44 | 0 |
| 1991 | 34 | 0 |
| 1992 | 29 | 0 |
| 1993 | 45 | 0 |
| 1994 | 33 | 0 |
| 1995 | 32 | 0 |
| 1996 | 23 | 0 |
| 1997 | 17 | 0 |
| 1998 | 48 | 0 |
| 1999 | 32 | 0 |
| 2000 | 52 | 0 |
| 2001 | 59 | 23 |
| 2002 | 57 | 59 |
| 2003 | 66 | 64 |
| 2004 | 51 | 69 |
| 2005 | 61 | 55 |
| 2006 | 49 | 67 |
| 2007 | 33 | 80 |
| 2008 | 43 | 58 |
| 2009 | 45 | 68 |
| 2010 | 50 | 91 |
| 2011 | 44 | 96 |
| 2012 | 54 | 87 |
| 2013 | 71 | 83 |
| 2014 | 71 | 95 |
| 2015 | 74 | 102 |
| 2016 | 76 | 194 |
| 2017 | 89 | 158 |
| 2018 | 150 | 131 |
| 2019 | 145 | 120 |
| 2020 | 127 | 117 |
| 2021 | 94 | 65 |
| 2022 | 87 | 54 |
| 2023 | 59 | 45 |
| 2024 | 42 | 31 |
| 2025 | 28 | 21 |
| 2026 | 12 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Supercharger22 Sep 2026US 12,742,412 B2Eaton Intelligent Power Limited
- Method and a relative apparatus for producing liquified gases8 Sep 2026US 12,729,906 B2Fpt Industrial S.P.A.
- System and methods for stabilization of DC bus voltage in a hybrid-electric aircraft18 Aug 2026US 12,710,009 B2VerdeGo Aero, Inc.
- Port assembly for 2-stroke diesel engine9 Jun 2026US 12,650,106 B2DeltaHawk Engines, Inc.
- Split cycle engine2 Jun 2026US 12,644,406 B2Fpt Industrial S.P.A.
- Engine braking in a split-cycle engine17 Sep 2026US 2026/0275902 A1Fpt Industrial S.P.A.
- Centrifugal compressor and turbocharger13 Aug 2026US 2026/0235140 A1Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Two-stroke engine and handheld work apparatus23 Jul 2026US 2026/0210286 A1Andreas Stihl AG & CO.KG
- Crankcase scavenged two-stroke engine and handheld power tool2 Apr 2026US 2026/0092554 A1Husqvarna AB
- Engine control system and methods19 Mar 2026US 2026/0078710 A1Arctic Cat Inc.
Most cited
By later US patents
- Opposed piston internal combustion engine with inviscid layer sealing470US 9,909,492 B2Prime Group Alliance, LLC · 2018
- Turbocharging systems for internal combustion engines208US 5,771,868 ATurbodyne Systems, Inc. · 1998
- Premixed charge compression ignition engine with optimal combustion control196US 6,276,334 B1Cummins Engine Company, Inc. · 2001
- Engine with combustion and expansion of the combustion gases within the combustor155US 6,817,185 B2innogy SE · 2004
- Control system for exhaust gas recovery system in an internal combustion engine151US 5,771,867 ACaterpillar Inc. · 1998