C09K 5/042
Comprising compounds containing carbon and hydrogen only
Official title: {comprising compounds containing carbon and hydrogen only}
C09K5/042 (Comprising compounds containing carbon and hydrogen only) appears on 126 US grants and 158 published applications in this corpus.
Search patents in C09K- Granted patents
- 126
- Published applications
- 158
- Assignees
- 90
- Inventors
- 292
- Latest grant
- 21 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 1 | 0 |
| 2001 | 7 | 1 |
| 2002 | 3 | 4 |
| 2003 | 4 | 2 |
| 2004 | 1 | 4 |
| 2005 | 2 | 4 |
| 2006 | 3 | 4 |
| 2007 | 5 | 3 |
| 2008 | 1 | 3 |
| 2009 | 2 | 6 |
| 2010 | 3 | 5 |
| 2011 | 4 | 6 |
| 2012 | 3 | 3 |
| 2013 | 3 | 5 |
| 2014 | 4 | 6 |
| 2015 | 2 | 14 |
| 2016 | 6 | 7 |
| 2017 | 9 | 5 |
| 2018 | 7 | 8 |
| 2019 | 3 | 10 |
| 2020 | 8 | 8 |
| 2021 | 5 | 3 |
| 2022 | 3 | 6 |
| 2023 | 6 | 10 |
| 2024 | 7 | 13 |
| 2025 | 10 | 14 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Near-azeotropic refrigerant of ternary mixture CO2/R41/R17021 Jul 2026US 12,686,801 B2Anhui University of Technology
- Environmentally controlled chamber system utilizing hydrocarbon refrigerants7 Jul 2026US 12,674,589 B2Standex International Corporation
- Refrigeration cycle device using refrigerants containing hydrocarbon and sulfur-based odorant23 Jun 2026US 12,662,644 B2Mitsubishi Electric Corporation
- Bland/Ewing cycle improvements19 Aug 2025US 12,392,261 B2
- Providing single servings of cooled foods and drinks5 Aug 2025US 12,376,606 B2ColdSnap, Corp.
- Base oil for refrigerating machine oil, refrigerating machine oil, and working fluid composition6 Aug 2026US 2026/0226364 A1Eneos Corporation
- Environmentally controlled chamber system utilizing hydrocarbon refrigerants23 Jul 2026US 2026/0210565 A1Standex International Corporation
- Heating control method for vehicle and system thereof14 May 2026US 2026/0131635 A1SK Enmove Co., Ltd.
- Refrigeration apparatus5 Feb 2026US 2026/0036351 A1Panasonic Intellectual Property Management Co., Ltd.
- End-use applications for low viscosity and high flash point pao solvents9 Oct 2025US 2025/0313739 A1Chevron Phillips Chemical Company LP
Most cited
By later US patents
- Apparatus and methods for enhancing cardiopulmonary blood flow and ventilation83US 6,604,523 B2CPRx LLC · 2003
- Method for providing refrigeration82US 6,176,102 B1Praxair Technology, Inc. · 2001
- Systems and methods for enhancing blood circulation81US 6,986,349 B2Advanced Circulatory Systems, Inc. · 2006
- Diabetes treatment systems and methods76US 7,204,251 B2Advanced Circulatory Systems, Inc. · 2007
- Shock treatment systems and methods71US 7,210,480 B2Advanced Circulatory Systems, Inc. · 2007