B60R 2021/2648
Comprising a plurality of combustion chambers or sub-chambers
Official title: {comprising a plurality of combustion chambers or sub-chambers}
B60R2021/2648 (Comprising a plurality of combustion chambers or sub-chambers) appears on 336 US grants and 280 published applications in this corpus.
Search patents in B60R- Granted patents
- 336
- Published applications
- 280
- Assignees
- 87
- Inventors
- 463
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 4 | 0 |
| 1991 | 5 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 5 | 0 |
| 1998 | 6 | 0 |
| 1999 | 4 | 0 |
| 2000 | 12 | 0 |
| 2001 | 12 | 3 |
| 2002 | 15 | 18 |
| 2003 | 16 | 28 |
| 2004 | 12 | 30 |
| 2005 | 22 | 23 |
| 2006 | 22 | 20 |
| 2007 | 10 | 16 |
| 2008 | 17 | 9 |
| 2009 | 14 | 9 |
| 2010 | 13 | 10 |
| 2011 | 10 | 6 |
| 2012 | 9 | 6 |
| 2013 | 9 | 10 |
| 2014 | 15 | 8 |
| 2015 | 9 | 4 |
| 2016 | 8 | 8 |
| 2017 | 8 | 8 |
| 2018 | 9 | 6 |
| 2019 | 4 | 10 |
| 2020 | 8 | 15 |
| 2021 | 9 | 7 |
| 2022 | 9 | 7 |
| 2023 | 8 | 4 |
| 2024 | 5 | 4 |
| 2025 | 5 | 8 |
| 2026 | 6 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
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- Gas generator11 Aug 2026US 12,703,318 B2Nippon Kayaku Kabushiki Kaisha
- Gas generator and gas discharge method for gas generator21 Jul 2026US 12,686,356 B2Daicel Corporation
- Gas generator28 Apr 2026US 12,612,007 B2Nippon Kayaku Kabushiki Kaisha
- Gas generator14 Apr 2026US 12,600,316 B2Daicel Corporation
- Hybrid airbag inflator2 Jul 2026US 2026/0184282 A1Joyson Safety Systems Acquisition LLC
- Vehicle Safety Device with Intumescent Material30 Apr 2026US 2026/0116334 A1Joyson Safety Systems Acquisition LLC
- Gas generator15 Jan 2026US 2026/0014957 A1Nippon Kayaku Kabushiki Kaisha
- Single level cylindrical passenger inflator7 Aug 2025US 2025/0249858 A1Arc Technology Holding Limited
- Cylindrical inflator assembly7 Aug 2025US 2025/0249860 A1Arc Technology Holding Limited
Most cited
By later US patents
- Automobile air bag system137US 5,366,241 A1994
- Passenger automotive restraint generator122US 4,950,458 AMorton International, Inc. · 1990
- Adaptive output inflator120US 6,032,979 AAutoliv ASP, Inc. · 2000
- Pulsed pressure source particularly adapted for vehicle occupant air bag restraint systems115US 5,320,382 AGT-Devices · 1994
- Two-stage automotive gas bag inflator using igniter material to delay second stage ignition111US 4,998,751 AMorton International, Inc. · 1991