F25B 2500/18
Optimization
Official title: Optimization, e.g. high integration of refrigeration components
F25B2500/18 (Optimization) appears on 381 US grants and 482 published applications in this corpus.
Search patents in F25B- Granted patents
- 381
- Published applications
- 482
- Assignees
- 191
- Inventors
- 1,013
- Latest grant
- 18 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 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 3 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 3 | 1 |
| 2002 | 4 | 8 |
| 2003 | 13 | 7 |
| 2004 | 12 | 18 |
| 2005 | 13 | 13 |
| 2006 | 8 | 17 |
| 2007 | 10 | 23 |
| 2008 | 4 | 22 |
| 2009 | 6 | 14 |
| 2010 | 15 | 8 |
| 2011 | 7 | 16 |
| 2012 | 8 | 7 |
| 2013 | 7 | 11 |
| 2014 | 5 | 6 |
| 2015 | 11 | 21 |
| 2016 | 8 | 26 |
| 2017 | 15 | 23 |
| 2018 | 23 | 28 |
| 2019 | 34 | 29 |
| 2020 | 18 | 28 |
| 2021 | 24 | 24 |
| 2022 | 27 | 18 |
| 2023 | 18 | 32 |
| 2024 | 24 | 42 |
| 2025 | 28 | 13 |
| 2026 | 17 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Roll bond evaporator plate18 Aug 2026US 12,710,204 B2Binder GmbH
- Refrigeration system and the control method thereof11 Aug 2026US 12,704,301 B2Carrier Corporation
- Charge compensator for heat pump11 Aug 2026US 12,704,302 B2Carrier Corporation
- Air cooling-type refrigeration device21 Jul 2026US 12,687,326 B2Haier Smart Home Co., Ltd.
- Systems and methods for defrost of heat pump systems30 Jun 2026US 12,669,273 B2Goodman Manufacturing Company, L. P.
- Refrigerant unit8 Oct 2026US 2026/0309374 A1Sanden Corporation
- Cooling system and method with integrated waste heat utilization for enhanced energy efficiency and sustainability1 Oct 2026US 2026/0298511 A1
- Chiller assembly suitable for a heating, ventilating, or air conditioning (hvac) system27 Aug 2026US 2026/0251359 A1Tyco Fire & Security GmbH
- Chiller assembly suitable for a heating, ventilating, or air conditioning (hvac) system27 Aug 2026US 2026/0251363 A1Tyco Fire & Security GmbH
- Chiller assembly27 Aug 2026US 2026/0251364 A1Tyco Fire & Security GmbH
Most cited
By later US patents
- Method and apparatus for measuring and improving efficiency in refrigeration systems95US 6,505,475 B1Hudson Technologies, Inc. · 2003
- Building system performance analysis88US 6,976,366 B2Emerson Retail Services, Inc. · 2005
- Method and apparatus for monitoring a calibrated condenser unit in a refrigerant-cycle system66US 7,469,546 B22008
- Ejector cycle system with critical refrigerant pressure52US 6,477,857 B2Denso Corporation · 2002
- Method and apparatus for cooling44US 8,327,656 B2American Power Conversion Corporation · 2012