B01J 38/04
Gas or vapour treating
Official title: Gas or vapour treating; Treating by using liquids vaporisable upon contacting spent catalyst
B01J38/04 (Gas or vapour treating) appears on 1,248 US grants and 1,263 published applications in this corpus.
Search patents in B01J- Granted patents
- 1,248
- Published applications
- 1,263
- Assignees
- 511
- Inventors
- 3,239
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 3 | 0 |
| 1979 | 6 | 0 |
| 1980 | 4 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 7 | 0 |
| 1987 | 13 | 0 |
| 1988 | 10 | 0 |
| 1989 | 12 | 0 |
| 1990 | 22 | 0 |
| 1991 | 22 | 0 |
| 1992 | 20 | 0 |
| 1993 | 24 | 0 |
| 1994 | 22 | 0 |
| 1995 | 16 | 0 |
| 1996 | 12 | 0 |
| 1997 | 14 | 0 |
| 1998 | 19 | 0 |
| 1999 | 16 | 0 |
| 2000 | 24 | 0 |
| 2001 | 15 | 10 |
| 2002 | 22 | 18 |
| 2003 | 14 | 29 |
| 2004 | 30 | 35 |
| 2005 | 28 | 33 |
| 2006 | 23 | 27 |
| 2007 | 23 | 34 |
| 2008 | 19 | 28 |
| 2009 | 22 | 35 |
| 2010 | 34 | 74 |
| 2011 | 31 | 56 |
| 2012 | 25 | 47 |
| 2013 | 40 | 60 |
| 2014 | 71 | 73 |
| 2015 | 47 | 68 |
| 2016 | 54 | 78 |
| 2017 | 57 | 69 |
| 2018 | 61 | 64 |
| 2019 | 63 | 65 |
| 2020 | 52 | 57 |
| 2021 | 56 | 46 |
| 2022 | 46 | 65 |
| 2023 | 35 | 40 |
| 2024 | 36 | 60 |
| 2025 | 37 | 54 |
| 2026 | 27 | 38 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Catalyst compositions and processes for making and using same29 Sep 2026US 12,747,399 B2ExxonMobil Chemical Patents Inc.
- Dual reactor system for simultaneous decontamination and cracking of plastic derived oil to circular chemicals22 Sep 2026US 12,742,125 B2Saudi Arabian Oil Company
- Inhibiting CO emissions during catalyst regeneration15 Sep 2026US 12,734,516 B1Chevron U.S.A.Inc.
- Process and catalyst for converting natural gasoline to light olefins8 Sep 2026US 12,729,345 B2King Fahd University of Petroleum and Minerals
- Fluidized bed reactor system for catalytic cracking of light hydrocarbons1 Sep 2026US 12,723,203 B2Chevron U.S.A.Inc.
- Fluidized bed reactor system for catalytic cracking of light hydrocarbons8 Oct 2026US 2026/0308462 A1Chevron U.S.A.Inc.
- Methods for making light olefins by dehydrogenation using catalysts that include manganese17 Sep 2026US 2026/0274771 A1Dow Global Technologies LLC
- Methods for Releasing at Least a Portion of a Halide From a Surface10 Sep 2026US 2026/0264070 A1
- Photocatalytic gate especially for air and surface disinfection3 Sep 2026US 2026/0256976 A1
- Methods of Regenerating Aromatization Catalysts3 Sep 2026US 2026/0257215 A1
Most cited
By later US patents
- Utilization of energy obtained by substoichiometric combustion of low heating value gases296US 4,299,086 AGulf Research & Development Company · 1981
- Method and apparatus for producing carbon nanotubes180US 6,413,487 B1The Board of Regents of the University of Oklahoma · 2002
- FCC process with combined regenerator stripper and catalyst blending82US 5,858,207 AUop LLC · 1999
- Production of aromatics from methane82US 7,589,246 B2ExxonMobil Chemical Patents Inc. · 2009
- Process for production of ethylene and propylene by catalytic pyrolysis of heavy hydrocarbons81US 6,210,562 B1China Petrochemical Corporation · 2001