F25B 2400/121
Using r1234
Official title: using R1234
F25B2400/121 (Using r1234) appears on 173 US grants and 335 published applications in this corpus.
Search patents in F25B- Granted patents
- 173
- Published applications
- 335
- Assignees
- 68
- Inventors
- 482
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 2006 | 0 | 1 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 5 |
| 2011 | 2 | 11 |
| 2012 | 0 | 7 |
| 2013 | 2 | 19 |
| 2014 | 1 | 9 |
| 2015 | 7 | 17 |
| 2016 | 9 | 18 |
| 2017 | 13 | 19 |
| 2018 | 15 | 26 |
| 2019 | 21 | 23 |
| 2020 | 8 | 40 |
| 2021 | 19 | 33 |
| 2022 | 19 | 22 |
| 2023 | 8 | 25 |
| 2024 | 18 | 19 |
| 2025 | 18 | 27 |
| 2026 | 12 | 12 |
By publication year. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for generating water from air using a solar collection and refrigeration systems11 Aug 2026US 12,703,965 B2Source Global, PBC
- Air conditioner14 Jul 2026US 12,680,741 B2Panasonic Intellectual Property Management Co., Ltd.
- Inside air-conditioning device9 Jun 2026US 12,650,250 B2Daikin Industries, Ltd.
- Heat pump apparatus9 Jun 2026US 12,650,251 B2Daikin Industries, Ltd.
- Climate control systems having a liquid-to-suction heat exchanger, an accumulator, and a receiver for variable liquid storage of high glide working fluids and methods for operation thereof2 Jun 2026US 12,644,628 B2Copeland Corporation
- Refrigerant blends having low global warming potential30 Jul 2026US 2026/0218027 A1The Chemours Company Fc, LLC
- Composition containing trans-1,2-difluoroethylene7 May 2026US 2026/0125589 A1Daikin Industries, Ltd.
- Compositions comprising fluoroolefins and natural refrigerants and uses thereof7 May 2026US 2026/0126221 A1The Chemours Company Fc, LLC
- Refrigeration systems and methods30 Apr 2026US 2026/0118016 A1Honeywell International Inc.
- Heat pump apparatus23 Apr 2026US 2026/0110468 A1Mitsubishi Electric Corporation
Most cited
By later US patents
- Compositions comprising fluoroolefins and uses thereof35US 7,708,903 B2E. I. Du Pont de Nemours and Company · 2010
- 2,3,3,3-tetrafluoropropene compositions having improved miscibility24US 10,023,780 B2Arkema France · 2018
- Compositions comprising fluoroolefins and uses thereof20US 8,425,795 B2E. I. Du Pont de Nemours and Company · 2013
- Compositions comprising fluoroolefins and uses thereof17US 8,070,976 B2E. I. Du Pont de Nemours and Company · 2011
- Compositions comprising fluoroolefins and uses thereof17US 8,911,640 B2E. I. Du Pont de Nemours and Company · 2014