B60H 1/249
Using one-way valves
Official title: {using one-way valves}
B60H1/249 (Using one-way valves) appears on 146 US grants and 147 published applications in this corpus.
Search patents in B60H- Granted patents
- 146
- Published applications
- 147
- Assignees
- 79
- Inventors
- 361
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 1 | 0 |
| 1992 | 5 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 3 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 4 | 3 |
| 2003 | 1 | 2 |
| 2004 | 0 | 5 |
| 2005 | 5 | 6 |
| 2006 | 4 | 2 |
| 2007 | 3 | 2 |
| 2008 | 0 | 5 |
| 2009 | 3 | 5 |
| 2010 | 1 | 8 |
| 2011 | 0 | 6 |
| 2012 | 1 | 1 |
| 2013 | 6 | 4 |
| 2014 | 1 | 7 |
| 2015 | 3 | 8 |
| 2016 | 6 | 5 |
| 2017 | 7 | 5 |
| 2018 | 4 | 6 |
| 2019 | 7 | 14 |
| 2020 | 10 | 16 |
| 2021 | 9 | 3 |
| 2022 | 7 | 5 |
| 2023 | 6 | 12 |
| 2024 | 7 | 7 |
| 2025 | 10 | 5 |
| 2026 | 4 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Vehicle air extractor having multilayered flaps19 May 2026US 12,629,986 B2Ford Global Technologies, LLC
- Vehicle interior ventilation apparatus24 Mar 2026US 12,583,288 B2Illinois Tool Works Inc.
- Electric vehicle24 Mar 2026US 12,583,332 B2Toyota Jidosha Kabushiki Kaisha
- Pressure relief valve with installation indicator13 Jan 2026US 12,522,052 B2Illinois Tool Works Inc.
- Pressure relief valve16 Dec 2025US 12,496,877 B2Illinois Tool Works Inc.
- Pressure Relief Valve Assembly24 Sep 2026US 2026/0285128 A1Illinois Tool Works Inc.
- Electric vehicle2 Jul 2026US 2026/0184191 A1Toyota Jidosha Kabushiki Kaisha
- Vehicle rear portion structure23 Apr 2026US 2026/0109407 A1Toyota Jidosha Kabushiki Kaisha
- Venting deflection component cover9 Apr 2026US 2026/0097626 A1Fca US LLC
- Vehicle air extractor having a deflector cover12 Feb 2026US 2026/0042337 A1Ford Global Technologies, LLC
Most cited
By later US patents
- Pressure relief valve and method of manufacturing the same44US 6,210,266 B1Sarnamotive Blue Water, Inc. · 2001
- Active pressure relief valves and methods of use44US 7,204,472 B2GM Global Technology Operations LLC · 2007
- Preliminary ventilation device for vehicles41US 5,205,781 AMazda Motor Corporation · 1993
- Ventilation system for motor vehicles40US 4,558,634 ANippon Soken, Inc. · 1985
- One-way air valve40US 5,194,038 AHuron Plastics Group, Inc. · 1993