C01B 2203/1247
Higher hydrocarbons
C01B2203/1247 (Higher hydrocarbons) appears on 654 US grants and 748 published applications in this corpus.
Search patents in C01B- Granted patents
- 654
- Published applications
- 748
- Assignees
- 349
- Inventors
- 1,644
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 4 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 3 | 0 |
| 1988 | 4 | 0 |
| 1989 | 7 | 0 |
| 1990 | 3 | 0 |
| 1991 | 6 | 0 |
| 1992 | 3 | 0 |
| 1993 | 1 | 0 |
| 1994 | 5 | 0 |
| 1995 | 1 | 0 |
| 1996 | 5 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 7 | 0 |
| 2000 | 11 | 0 |
| 2001 | 18 | 9 |
| 2002 | 12 | 28 |
| 2003 | 21 | 31 |
| 2004 | 24 | 38 |
| 2005 | 20 | 39 |
| 2006 | 16 | 34 |
| 2007 | 23 | 40 |
| 2008 | 21 | 60 |
| 2009 | 20 | 32 |
| 2010 | 38 | 74 |
| 2011 | 29 | 33 |
| 2012 | 40 | 30 |
| 2013 | 29 | 19 |
| 2014 | 29 | 51 |
| 2015 | 31 | 36 |
| 2016 | 36 | 38 |
| 2017 | 35 | 25 |
| 2018 | 27 | 19 |
| 2019 | 15 | 10 |
| 2020 | 12 | 13 |
| 2021 | 14 | 18 |
| 2022 | 15 | 16 |
| 2023 | 12 | 24 |
| 2024 | 14 | 11 |
| 2025 | 10 | 18 |
| 2026 | 6 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for preparing synthesis gas6 Oct 2026US 12,753,074 B2LG Chem.Ltd.
- Methods for forming gas products from hydrocarbon feeds4 Aug 2026US 12,698,207 B2Saudi Arabian Oil Company
- Method for preparing hydrogen-rich synthesis gas by degrading polyolefin waste plastics at low temperature26 May 2026US 12,637,351 B2Zhejiang University
- Process for producing hydrogen12 May 2026US 12,623,902 B2Oxford University Innovation Limited
- Molding comprising a mixed oxide comprising oxygen, lanthanum, aluminum, and cobalt17 Mar 2026US 12,576,392 B2BASF SE
- Apparatus and method for direct decomposition of hydrocarbon24 Sep 2026US 2026/0285680 A1Mitsubishi Heavy Industries, Ltd.
- Multistage catalytic reaction system for simultaneous conversion of hydrocarbons of various carbon numbers9 Apr 2026US 2026/0097376 A1Korea Institute of Energy Research
- Hydrogen production by steam reforming of dodecane using nickel-red mud catalyst20 Nov 2025US 2025/0353741 A1King Fahd University of Petroleum and Minerals
- Hydrogen production via steam reforming over red-mud supported nickel catalyst and methods of preparation thereof20 Nov 2025US 2025/0353742 A1King Fahd University of Petroleum and Minerals
- Hydrocarbon Pyrolysis in a Forced Circulation Reactor System30 Oct 2025US 2025/0333300 A1
Most cited
By later US patents
- Steam reformer with internal hydrogen purification533US 5,861,137 A1999
- Catalytic ceramic membrane steam-hydrocarbon reformer269US 5,229,102 AMedalert Corporation · 1993
- Steam reformer with internal hydrogen purification269US 5,997,594 ANorthwest Power Systems, LLC · 1999
- Hydrogen producing fuel processing system236US 6,221,117 B1IdaTech, LLC · 2001
- Fuel cell electric power production199US 4,522,894 AEngelhard Corporation · 1985