F02C 6/12
Turbochargers, i.e. plants for augmenting mechanical power output of internal-combustion piston engines
Official title: Turbochargers, i.e. plants for augmenting mechanical power output of internal-combustion piston engines by increase of charge pressure
F02C6/12 (Turbochargers, i.e. plants for augmenting mechanical power output of internal-combustion piston engines) appears on 1,186 US grants and 1,317 published applications in this corpus.
Search patents in F02C- Granted patents
- 1,186
- Published applications
- 1,317
- Assignees
- 314
- Inventors
- 2,238
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 2 | 0 |
| 1978 | 5 | 0 |
| 1979 | 5 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 3 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 7 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 4 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 9 | 0 |
| 2001 | 6 | 4 |
| 2002 | 13 | 10 |
| 2003 | 13 | 13 |
| 2004 | 12 | 22 |
| 2005 | 16 | 15 |
| 2006 | 12 | 24 |
| 2007 | 11 | 19 |
| 2008 | 15 | 20 |
| 2009 | 10 | 54 |
| 2010 | 15 | 63 |
| 2011 | 20 | 69 |
| 2012 | 48 | 71 |
| 2013 | 40 | 101 |
| 2014 | 51 | 78 |
| 2015 | 71 | 78 |
| 2016 | 61 | 86 |
| 2017 | 86 | 58 |
| 2018 | 81 | 93 |
| 2019 | 68 | 127 |
| 2020 | 126 | 89 |
| 2021 | 107 | 70 |
| 2022 | 68 | 47 |
| 2023 | 52 | 40 |
| 2024 | 51 | 37 |
| 2025 | 31 | 18 |
| 2026 | 10 | 11 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Motorized compressor device with air bearing having reduced axial and radial stack-up6 Oct 2026US 12,753,707 B2Garrett Transportation I Inc.
- System and methods for stabilization of DC bus voltage in a hybrid-electric aircraft18 Aug 2026US 12,710,009 B2VerdeGo Aero, Inc.
- Combustor for a micro-turbine gas generator28 Jul 2026US 12,693,020 B2Jetoptera, Inc.
- Aircraft propulsion system and method for operating same14 Jul 2026US 12,679,548 B2Pratt & Whitney Canada Corp.
- Overspeed protection for a turbocompressor of an aircraft powerplant assembly12 May 2026US 12,624,664 B1Pratt & Whitney Canada Corp.
- Supercharging assist device and supercharging assist method27 Aug 2026US 2026/0251089 A1Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Double scroll turbine and turbocharger20 Aug 2026US 2026/0243171 A1Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Turbocharger for road vehicles6 Aug 2026US 2026/0226912 A1Ferrari S.P. A.
- Turbocharger23 Jul 2026US 2026/0210287 A1IHI Corporation
- Electric turbocharger with heat suppression4 Jun 2026US 2026/0153051 A1IHI Corporation
Most cited
By later US patents
- Turbocharger with exhaust gas recirculation123US 6,301,889 B1Caterpillar Inc. · 2001
- Method of operating an engine assembly114US 10,590,867 B2Pratt & Whitney Canada Corp. · 2020
- Exhaust gas re-circulation arrangement111US 6,216,459 B1DaimlerChrysler AG · 2001
- Directly driven dynamo electric machine-gas turbine generator structure86US 4,253,031 ARobert Bosch GmbH · 1981
- Low volumetric compression ratio integrated turbo-compound rotary engine85US 7,775,044 B2Pratt & Whitney Canada Corp. · 2010