F01M 13/0011
Breather valves
Official title: {Breather valves}
F01M13/0011 (Breather valves) appears on 342 US grants and 343 published applications in this corpus.
Search patents in F01M- Granted patents
- 342
- Published applications
- 343
- Assignees
- 149
- Inventors
- 756
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 2 | 0 |
| 1985 | 4 | 0 |
| 1986 | 5 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 0 | 0 |
| 1993 | 2 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 1 | 0 |
| 1999 | 4 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 1 |
| 2002 | 4 | 2 |
| 2003 | 7 | 5 |
| 2004 | 1 | 8 |
| 2005 | 4 | 2 |
| 2006 | 4 | 8 |
| 2007 | 4 | 2 |
| 2008 | 3 | 4 |
| 2009 | 1 | 14 |
| 2010 | 2 | 11 |
| 2011 | 10 | 6 |
| 2012 | 7 | 12 |
| 2013 | 12 | 10 |
| 2014 | 7 | 19 |
| 2015 | 14 | 16 |
| 2016 | 17 | 29 |
| 2017 | 16 | 21 |
| 2018 | 21 | 26 |
| 2019 | 21 | 24 |
| 2020 | 37 | 35 |
| 2021 | 24 | 18 |
| 2022 | 32 | 23 |
| 2023 | 16 | 13 |
| 2024 | 13 | 8 |
| 2025 | 11 | 12 |
| 2026 | 6 | 14 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dry sump engine29 Sep 2026US 12,747,683 B2Toyota Jidosha Kabushiki Kaisha
- Engine25 Aug 2026US 12,716,372 B2Toyota Jidosha Kabushiki Kaisha
- Crankcase air valve structure and air compressor4 Aug 2026US 12,698,733 B2Zf Commercial Vehicle Systems (Qingdao) Co., Ltd.
- Engine7 Jul 2026US 12,674,404 B2Toyota Jidosha Kabushiki Kaisha
- Engine7 Jul 2026US 12,674,405 B2Toyota Jidosha Kabushiki Kaisha
- Ventilation Structure for a Crankcase1 Oct 2026US 2026/0298116 A1Zhejiang Qianjiang Motorcycle Co., Ltd.
- Ventilation system17 Sep 2026US 2026/0275889 A1Toyota Jidosha Kabushiki Kaisha
- Internal combustion engine3 Sep 2026US 2026/0258740 A1Mitsubishi Heavy Industries Engine & Turbocharger, Ltd.
- Control device for internal combustion engine13 Aug 2026US 2026/0235055 A1Toyota Jidosha Kabushiki Kaisha
- System and control method13 Aug 2026US 2026/0235056 A1Komatsu Ltd.
Most cited
By later US patents
- Breather device for overhead valve engines47US 4,404,936 AMitsubishi Jukogyo Kabushiki Kaisha · 1983
- Crankcase pressure regulation system for an internal combustion engine47US 5,499,616 ADresser Industries, Inc. · 1996
- Blow-by gas heating system for internal combustion engines46US 4,768,493 AHonda Giken Kogyo Kabushiki Kaisha · 1988
- Rocker box cover assembly for internal combustion engine45US 5,058,542 ABriggs & Stratton Corporation · 1991
- Oil separating device for a combustion engine44US 7,080,636 B2Dichtungstechnik G. Bruss GmbH & Co. KG · 2006