C09K 2205/47
Type r502
Official title: Type R502
C09K2205/47 (Type r502) appears on 15 US grants and 15 published applications in this corpus.
Search patents in C09K- Granted patents
- 15
- Published applications
- 15
- Assignees
- 8
- Inventors
- 35
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 0 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 1 |
| 2008 | 0 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 1 |
| 2011 | 0 | 1 |
| 2012 | 0 | 0 |
| 2013 | 0 | 1 |
| 2014 | 1 | 0 |
| 2015 | 2 | 2 |
| 2016 | 0 | 0 |
| 2017 | 1 | 1 |
| 2018 | 0 | 0 |
| 2019 | 1 | 1 |
| 2020 | 1 | 3 |
| 2021 | 0 | 1 |
| 2022 | 2 | 1 |
| 2023 | 0 | 0 |
| 2024 | 1 | 0 |
| 2025 | 0 | 1 |
| 2026 | 2 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Low GWP refrigerant blends18 Aug 2026US RE50,995 E1RPL Holdings Limited
- Inside air-conditioning device9 Jun 2026US 12,650,250 B2Daikin Industries, Ltd.
- Inside air-conditioning device19 Nov 2024US 12,146,697 B2Daikin Industries, Ltd.
- Low GWP refrigerant blends4 Oct 2022US 11,459,497 B2RPL Holdings Limited
- Tetrafluoropropene-based composition28 Jun 2022US 11,370,948 B2Arkema France
- Refrigerant-containing composition, use of same, refrigerator comprising same, and method for operating refrigerator23 Oct 2025US 2025/0326962 A1Daikin Industries, Ltd.
- Inside air-conditioning device21 Apr 2022US 2022/0120476 A1Daikin Industries, Ltd.
- Tetrafluoropropene-based composition22 Apr 2021US 2021/0115312 A1Arkema France
- Low gwp refrigerant blends19 Nov 2020US 2020/0362214 A1RPL Holdings Limited
- Tetrafluoropropene compositions and uses thereof12 Nov 2020US 2020/0354618 A1The Chemours Company Fc, LLC
Most cited
By later US patents
- Alternative refrigerant including hexafluoropropylene53US 6,258,292 B12001
- Compositions comprising E-1,2-difluoroethylene and uses thereof23US 8,961,811 B2E. I. Du Pont de Nemours and Company · 2015
- Apparatus and method for charging three-component mixed refrigerant13US 5,711,158 AMatsushita Electric Industrial Co., Ltd. · 1998
- Tetrafluoropropene compositions and uses thereof12US 9,540,556 B2The Chemours Company Fc, LLC · 2017
- Azeotrope-like mixtures utilizable as refrigerating fluids11US 5,736,062 AAusimont S. p. A. · 1998