C09K 2205/12
Hydrocarbons
C09K2205/12 (Hydrocarbons) appears on 1,261 US grants and 1,690 published applications in this corpus.
Search patents in C09K- Granted patents
- 1,261
- Published applications
- 1,690
- Assignees
- 235
- Inventors
- 1,135
- Latest grant
- 15 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 | 5 | 0 |
| 1985 | 4 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 2 | 0 |
| 1990 | 4 | 0 |
| 1991 | 16 | 0 |
| 1992 | 6 | 0 |
| 1993 | 15 | 0 |
| 1994 | 7 | 0 |
| 1995 | 12 | 0 |
| 1996 | 21 | 0 |
| 1997 | 38 | 0 |
| 1998 | 38 | 0 |
| 1999 | 9 | 0 |
| 2000 | 14 | 0 |
| 2001 | 16 | 6 |
| 2002 | 6 | 8 |
| 2003 | 24 | 18 |
| 2004 | 12 | 17 |
| 2005 | 13 | 23 |
| 2006 | 11 | 23 |
| 2007 | 14 | 27 |
| 2008 | 12 | 31 |
| 2009 | 19 | 33 |
| 2010 | 11 | 49 |
| 2011 | 32 | 65 |
| 2012 | 22 | 74 |
| 2013 | 37 | 66 |
| 2014 | 46 | 64 |
| 2015 | 63 | 92 |
| 2016 | 52 | 117 |
| 2017 | 88 | 102 |
| 2018 | 83 | 105 |
| 2019 | 90 | 99 |
| 2020 | 79 | 140 |
| 2021 | 73 | 117 |
| 2022 | 72 | 105 |
| 2023 | 57 | 88 |
| 2024 | 35 | 81 |
| 2025 | 46 | 81 |
| 2026 | 44 | 59 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Compositions and uses of trans-1,1,1,4,4,4-hexafluoro-2-butene and 1,1-difluoroethane (R-152A)15 Sep 2026US 12,734,388 B2The Chemours Company Fc, LLC
- Cryosurgery coolant delivery system and method of preparing and using the same8 Sep 2026US 12,727,929 B2Cool Renewal, LLC
- Method for producing purified trans-1,2-difluoroethylene (HFO-1132(E)) and/or 1,1,2-trifluoroethylene (HFO-1123)8 Sep 2026US 12,729,172 B2Daikin Industries, Ltd.
- Composition containing refrigerant, and method for stabilizing composition containing refrigerant8 Sep 2026US 12,729,331 B2Daikin Industries, Ltd.
- Sterically hindered hydrofluoroolefins with dipole moment and their blends with sterically hindered-olefins as refrigerants for high temperature heat pumps and working fluid for organic Rankine cycles8 Sep 2026US 12,729,332 B2Carbon Ventures, LLC
- Compositions8 Oct 2026US 2026/0308433 A1
- Purge device and production method for separation membrane1 Oct 2026US 2026/0295514 A1Mitsubishi Heavy Industries, Ltd.
- Compositions1 Oct 2026US 2026/0297407 A1
- 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
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
- Hydrocarbon-halocarbon refrigerant blends99US 4,482,465 APhillips Petroleum Company · 1984
- Precooling system for joule-thomson probe99US 5,758,505 ACryoGen, Inc. · 1998
- Method for achieving thermal uniformity in induction processing of organic matrix composites or metals98US 5,728,309 AThe Boeing Company · 1998