C10G 49/002
Apparatus for fixed bed hydrotreatment processes
Official title: {Apparatus for fixed bed hydrotreatment processes}
C10G49/002 (Apparatus for fixed bed hydrotreatment processes) appears on 253 US grants and 194 published applications in this corpus.
Search patents in C10G- Granted patents
- 253
- Published applications
- 194
- Assignees
- 99
- Inventors
- 566
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 3 | 0 |
| 1980 | 3 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 8 | 0 |
| 1987 | 4 | 0 |
| 1988 | 4 | 0 |
| 1989 | 1 | 0 |
| 1990 | 2 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 5 | 0 |
| 1996 | 8 | 0 |
| 1997 | 6 | 0 |
| 1998 | 10 | 0 |
| 1999 | 18 | 0 |
| 2000 | 7 | 0 |
| 2001 | 9 | 3 |
| 2002 | 5 | 9 |
| 2003 | 3 | 4 |
| 2004 | 4 | 13 |
| 2005 | 4 | 16 |
| 2006 | 9 | 6 |
| 2007 | 6 | 6 |
| 2008 | 10 | 3 |
| 2009 | 7 | 5 |
| 2010 | 3 | 8 |
| 2011 | 2 | 1 |
| 2012 | 4 | 2 |
| 2013 | 2 | 11 |
| 2014 | 7 | 12 |
| 2015 | 7 | 10 |
| 2016 | 13 | 11 |
| 2017 | 6 | 7 |
| 2018 | 9 | 7 |
| 2019 | 7 | 7 |
| 2020 | 4 | 2 |
| 2021 | 4 | 7 |
| 2022 | 9 | 7 |
| 2023 | 6 | 14 |
| 2024 | 2 | 8 |
| 2025 | 10 | 7 |
| 2026 | 0 | 8 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Multi-phase combination reaction system and reaction method23 Dec 2025US 12,503,658 B2China Petroleum & Chemical Corporation
- Resaturation of gas into a liquid feedstream23 Sep 2025US 12,420,253 B2Crystaphase Products, Inc.
- Alternating fixed and fluidized bed reactor systems and processes2 Sep 2025US 12,404,171 B2Chevron U.S.A.Inc.
- Solid particle bed, fixed bed, and oil hydrogenation method19 Aug 2025US 12,391,888 B2China Petroleum & Chemical Corporation
- Fluid mixer and a method for mixing fluids29 Jul 2025US 12,370,508 B2Neste Oyj
- Catalytic upcycling of waste plastics to sustainable aviation fuels6 Aug 2026US 2026/0226352 A1
- Plastic recycling process30 Jul 2026US 2026/0218059 A1
- Low temperature stabilization of liquid oils30 Jul 2026US 2026/0218064 A1Topsoe A/S
- Multiple-bed catalytic reactor comprising a distribution device23 Jul 2026US 2026/0208136 A1Topsoe A/S
- Method for stabilizing nitrogen-rich oils23 Jul 2026US 2026/0209616 A1Topsoe A/S
Most cited
By later US patents
- Upflow reactor system with layered catalyst bed for hydrotreating heavy feedstocks100US 6,554,994 B1Chevron U.S.A.Inc. · 2003
- Method and arrangement of apparatus for hydrogenating hydrocarbons90US 4,126,539 AMobil Oil Corporation · 1978
- Process for converting petroleum feedstocks comprising an ebullating-bed hydrocracking stage, a maturation stage and a stage of separating the sediments for the production of fuel oils with a low sediment content75US 9,840,674 B2IFP Energies nouveles · 2017
- Multistage moving-bed hydroprocessing reactor with separate catalyst addition and withdrawal systems for each stage, and method for hydroprocessing a hydrocarbon feed stream74US 5,916,529 AChevron U.S.A.Inc. · 1999
- Catalyst and method for hydroprocessing a hydrocarbon feed stream in a reactor containing two or more catalysts73US 6,086,749 AChevron U.S.A.Inc. · 2000