C09K 2205/122
Halogenated hydrocarbons
C09K2205/122 (Halogenated hydrocarbons) appears on 588 US grants and 794 published applications in this corpus.
Search patents in C09K- Granted patents
- 588
- Published applications
- 794
- Assignees
- 130
- Inventors
- 611
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 4 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 4 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 3 | 0 |
| 1991 | 14 | 0 |
| 1992 | 3 | 0 |
| 1993 | 8 | 0 |
| 1994 | 4 | 0 |
| 1995 | 5 | 0 |
| 1996 | 5 | 0 |
| 1997 | 16 | 0 |
| 1998 | 17 | 0 |
| 1999 | 4 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 2 |
| 2002 | 2 | 4 |
| 2003 | 4 | 6 |
| 2004 | 4 | 3 |
| 2005 | 6 | 11 |
| 2006 | 3 | 13 |
| 2007 | 3 | 4 |
| 2008 | 6 | 15 |
| 2009 | 8 | 16 |
| 2010 | 4 | 17 |
| 2011 | 11 | 20 |
| 2012 | 6 | 19 |
| 2013 | 11 | 24 |
| 2014 | 16 | 23 |
| 2015 | 26 | 39 |
| 2016 | 26 | 65 |
| 2017 | 47 | 53 |
| 2018 | 42 | 51 |
| 2019 | 41 | 58 |
| 2020 | 43 | 85 |
| 2021 | 40 | 70 |
| 2022 | 37 | 49 |
| 2023 | 30 | 43 |
| 2024 | 14 | 44 |
| 2025 | 24 | 33 |
| 2026 | 21 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Cryosurgery coolant delivery system and method of preparing and using the same8 Sep 2026US 12,727,929 B2Cool Renewal, LLC
- Compressor and refrigeration cycle apparatus8 Sep 2026US 12,729,346 B2Daikin Industries, Ltd.
- Low GWP refrigerant blends18 Aug 2026US RE50,995 E1RPL Holdings Limited
- Heat transfer compositions, methods, and systems11 Aug 2026US 12,703,817 B2Solstice Advanced Materials US, Inc.
- Refrigeration cycle device and compressor28 Jul 2026US 12,692,455 B2Mitsubishi Electric Corporation
- Purge device and production method for separation membrane1 Oct 2026US 2026/0295514 A1Mitsubishi Heavy Industries, Ltd.
- Hfo-1234ze and hfo-1234yf compositions and processes for producing and using the compositions24 Sep 2026US 2026/0285786 A1The Chemours Company Fc, LLC
- Compositions comprising z-1,1,1,4,4,4-hexafluoro-2-butene and uses thereof3 Sep 2026US 2026/0258214 A1The Chemours Company Fc, LLC
- Refrigerant composition for air conditioning device20 Aug 2026US 2026/0242650 A1Ym Lemy Corporation
- Ester for refrigerator oil, base oil for refrigerator oil, refrigerator oil, and working fluid composition13 Aug 2026US 2026/0234487 A1Eneos Corporation
Most cited
By later US patents
- Halocarbon blends for refrigerant use112US 4,810,403 AE. I. Du Pont de Nemours and Company · 1989
- Azeotropic and azeotrope-like compositions of 1,1,2,2-tetrafluoroethane102US 5,182,040 AE. I. Du Pont de Nemours and Company · 1993
- Precooling system for joule-thomson probe99US 5,758,505 ACryoGen, Inc. · 1998
- Polyhalogenated hydrocarbon refrigerants and refrigerant oils colored with fluorescent dyes and method for their use as leak detectors71US 4,758,366 AWidger Chemical Corporation · 1988
- Ternary azeotropic compositions of 43-10mee (CF.sub.3 CHFCHFCH.sub.2 CF.sub .64US 5,064,560 AE. I. Du Pont de Nemours and Company · 1991