B60H 2001/00935
Comprising four way valves for controlling the fluid direction
Official title: {comprising four way valves for controlling the fluid direction}
B60H2001/00935 (Comprising four way valves for controlling the fluid direction) appears on 139 US grants and 138 published applications in this corpus.
Search patents in B60H- Granted patents
- 139
- Published applications
- 138
- Assignees
- 76
- Inventors
- 347
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 4 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 5 | 0 |
| 1998 | 8 | 0 |
| 1999 | 4 | 0 |
| 2000 | 12 | 0 |
| 2001 | 4 | 1 |
| 2002 | 2 | 3 |
| 2003 | 4 | 5 |
| 2004 | 2 | 4 |
| 2005 | 5 | 5 |
| 2006 | 2 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 0 |
| 2011 | 0 | 6 |
| 2012 | 0 | 4 |
| 2013 | 0 | 1 |
| 2014 | 2 | 7 |
| 2015 | 2 | 1 |
| 2016 | 0 | 2 |
| 2017 | 3 | 4 |
| 2018 | 1 | 4 |
| 2019 | 2 | 10 |
| 2020 | 7 | 13 |
| 2021 | 7 | 13 |
| 2022 | 11 | 13 |
| 2023 | 7 | 13 |
| 2024 | 15 | 19 |
| 2025 | 16 | 1 |
| 2026 | 6 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
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- Heat pump system for a vehicle11 Jun 2026US 2026/0158861 A1Hyundai Motor Company
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Most cited
By later US patents
- System for cooling electric vehicle batteries106US 6,138,466 ADaimlerChrysler AG · 2000
- Automotive air conditioner having condenser and evaporator provided within air duct69US 5,299,431 ANippondenso Co., Ltd. · 1994
- Heat pump and air conditioning system for a vehicle60US 6,862,892 B1Visteon Global Technologies, Inc. · 2005
- Air conditioning apparatus58US 5,704,219 ANippon Soken, Inc. · 1998
- Vehicular air conditioning system for electric vehicles58US 5,878,589 ADenso Corporation · 1999