F02B 37/025
Multiple scrolls or multiple gas passages guiding the gas to the pump
Official title: {Multiple scrolls or multiple gas passages guiding the gas to the pump drive}
F02B37/025 (Multiple scrolls or multiple gas passages guiding the gas to the pump) appears on 509 US grants and 491 published applications in this corpus.
Search patents in F02B- Granted patents
- 509
- Published applications
- 491
- Assignees
- 132
- Inventors
- 898
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 4 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 1 | 0 |
| 1988 | 6 | 0 |
| 1989 | 9 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 5 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 4 | 0 |
| 1996 | 4 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 10 | 0 |
| 2000 | 8 | 0 |
| 2001 | 7 | 0 |
| 2002 | 8 | 5 |
| 2003 | 4 | 13 |
| 2004 | 8 | 8 |
| 2005 | 7 | 17 |
| 2006 | 10 | 16 |
| 2007 | 8 | 21 |
| 2008 | 7 | 14 |
| 2009 | 9 | 17 |
| 2010 | 7 | 24 |
| 2011 | 7 | 23 |
| 2012 | 23 | 18 |
| 2013 | 16 | 16 |
| 2014 | 16 | 37 |
| 2015 | 21 | 27 |
| 2016 | 29 | 33 |
| 2017 | 30 | 28 |
| 2018 | 36 | 32 |
| 2019 | 19 | 27 |
| 2020 | 33 | 44 |
| 2021 | 37 | 18 |
| 2022 | 24 | 20 |
| 2023 | 20 | 11 |
| 2024 | 17 | 8 |
| 2025 | 11 | 7 |
| 2026 | 2 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Turbine23 Dec 2025US 12,503,957 B2Cummins Inc.
- Mixed flow turbine and turbocharger4 Nov 2025US 12,460,562 B2Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Exhaust system for an internal combustion engine16 Sep 2025US 12,416,267 B2Volvo Truck Corporation
- Entryway system including a divided volute turbocharger8 Oct 2026US 2026/0309073 A1BorgWarner Inc.
- Double scroll turbine and turbocharger20 Aug 2026US 2026/0243171 A1Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Twin scroll turbine housing23 Jul 2026US 2026/0210272 A1Garrett Motion Technology (Shanghai) Co, Ltd.
- Internal combustion engine having a flow that is able to be shut off for increasing torque18 Jun 2026US 2026/0168433 A1Man Truck & Bus AG
- Dual wastegate valve arrangement18 Jun 2026US 2026/0168434 A1BorgWarner Inc.
Most cited
By later US patents
- Twin turbine exhaust gas re-circulation system having a second stage variable nozzle turbine120US 6,412,279 B1Caterpillar Inc. · 2002
- Exhaust gas re-circulation arrangement111US 6,216,459 B1DaimlerChrysler AG · 2001
- Turbocharged internal combustion engine108US 6,378,308 B13K Warner Turbosystems GmbH · 2002
- Turbocharging system with integral assisting electric motor and cooling system therefor107US 5,605,045 ATurbodyne Systems, Inc. · 1997
- Internal combustion engine with an exhaust turbocharger and an exhaust-gas recirculation device102US 6,694,735 B2DaimlerChrysler AG · 2004