B60H 2001/3298
Ejector-type refrigerant circuits
Official title: {Ejector-type refrigerant circuits}
B60H2001/3298 (Ejector-type refrigerant circuits) appears on 133 US grants and 154 published applications in this corpus.
Search patents in B60H- Granted patents
- 133
- Published applications
- 154
- Assignees
- 30
- Inventors
- 220
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 2 |
| 2002 | 3 | 3 |
| 2003 | 3 | 8 |
| 2004 | 7 | 24 |
| 2005 | 16 | 7 |
| 2006 | 3 | 6 |
| 2007 | 5 | 13 |
| 2008 | 7 | 5 |
| 2009 | 2 | 11 |
| 2010 | 12 | 3 |
| 2011 | 3 | 6 |
| 2012 | 5 | 6 |
| 2013 | 7 | 1 |
| 2014 | 2 | 1 |
| 2015 | 2 | 10 |
| 2016 | 5 | 10 |
| 2017 | 7 | 6 |
| 2018 | 6 | 3 |
| 2019 | 8 | 8 |
| 2020 | 3 | 4 |
| 2021 | 1 | 0 |
| 2022 | 4 | 2 |
| 2023 | 4 | 7 |
| 2024 | 4 | 5 |
| 2025 | 4 | 1 |
| 2026 | 2 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ball valve and vehicle thermal management device comprising same15 Sep 2026US 12,736,142 B2Hanon Systems
- Air conditioning system for a vehicle20 Jan 2026US 12,528,337 B2Toyota Jidosha Kabushiki Kaisha
- Ejector-enhanced heat recovery refrigeration system19 Aug 2025US 12,392,527 B2Carrier Corporation
- Refrigerator for refrigerating vehicle using ejector and method of controlling the same27 May 2025US 12,313,317 B2Jeju National University Industry-Academic Cooperation Foundation
- Injection-type heat exchange module and thermal management system for vehicle applying the same25 Mar 2025US 12,257,878 B2Hyundai Motor Company
- Ejector and refrigeration cycle device25 Jun 2026US 2026/0175648 A1Denso Corporation
- Heat pump system for a vehicle26 Mar 2026US 2026/0084488 A1Hyundai Motor Company
- Ball valve and vehicle thermal management device comprising same11 Dec 2025US 2025/0377046 A1Hanon Systems
- Thermal management system for vehicle28 Nov 2024US 2024/0391299 A1Hyundai Motor Company
- Energy Management Unit29 Aug 2024US 2024/0286458 A1Apple Inc.
Most cited
By later US patents
- Refrigerant cycle device77US 7,823,401 B2Denso Corporation · 2010
- Ejector cycle system with critical refrigerant pressure52US 6,477,857 B2Denso Corporation · 2002
- Combined engine cooling system and waste-heat driven heat pump46US 4,342,200 ADaeco Fuels and Engineering Company · 1982
- Combined engine cooling system and waste-heat driven automotive air conditioning system43US 4,164,850 A1979
- Ejector cycle system with critical refrigerant pressure38US 6,574,987 B2Denso Corporation · 2003