C10G 33/00
Dewatering or demulsification of hydrocarbon oils
Official title: Dewatering or demulsification of hydrocarbon oils (by distillation C10G7/04)
C10G33/00 (Dewatering or demulsification of hydrocarbon oils) appears on 1,160 US grants and 1,019 published applications in this corpus.
Search patents in C10G- Granted patents
- 1,160
- Published applications
- 1,019
- Assignees
- 504
- Inventors
- 2,373
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 16 | 0 |
| 1978 | 7 | 0 |
| 1979 | 6 | 0 |
| 1980 | 22 | 0 |
| 1981 | 16 | 0 |
| 1982 | 17 | 0 |
| 1983 | 46 | 0 |
| 1984 | 29 | 0 |
| 1985 | 30 | 0 |
| 1986 | 37 | 0 |
| 1987 | 13 | 0 |
| 1988 | 16 | 0 |
| 1989 | 22 | 0 |
| 1990 | 12 | 0 |
| 1991 | 14 | 0 |
| 1992 | 12 | 0 |
| 1993 | 9 | 0 |
| 1994 | 6 | 0 |
| 1995 | 13 | 0 |
| 1996 | 6 | 0 |
| 1997 | 12 | 0 |
| 1998 | 10 | 0 |
| 1999 | 11 | 0 |
| 2000 | 15 | 0 |
| 2001 | 8 | 3 |
| 2002 | 9 | 26 |
| 2003 | 10 | 17 |
| 2004 | 16 | 31 |
| 2005 | 15 | 21 |
| 2006 | 15 | 11 |
| 2007 | 13 | 16 |
| 2008 | 5 | 22 |
| 2009 | 8 | 30 |
| 2010 | 19 | 22 |
| 2011 | 13 | 45 |
| 2012 | 20 | 36 |
| 2013 | 26 | 42 |
| 2014 | 21 | 68 |
| 2015 | 29 | 60 |
| 2016 | 41 | 64 |
| 2017 | 71 | 75 |
| 2018 | 68 | 63 |
| 2019 | 71 | 53 |
| 2020 | 47 | 67 |
| 2021 | 63 | 48 |
| 2022 | 42 | 47 |
| 2023 | 35 | 48 |
| 2024 | 43 | 45 |
| 2025 | 36 | 35 |
| 2026 | 13 | 24 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- C10G 33/04Dewatering or demulsification of hydrocarbon oils: with chemical means566
- C10G 33/06Dewatering or demulsification of hydrocarbon oils: with mechanical means314
- C10G 33/02Dewatering or demulsification of hydrocarbon oils: with electrical or magnetic means235
- C10G 33/08Controlling or regulating109
Recent patents
- Continuous and rapid perpetual electrostatic coalescence phase separation and demulsification of oil, water, and solids using plasma at standard conditions1 Sep 2026US 12,722,102 B2Lteoil LLC
- Compositions and methods for breaking foams and emulsions11 Aug 2026US 12,703,822 B2Chevron U.S.A.Inc.
- Gas plant hydrocarbon recovery management system and process5 May 2026US 12,616,922 B2Saudi Arabian Oil Company
- Compounds for breaking emulsions5 May 2026US 12,618,014 B2King Fadh University of Petroleum and Minerals
- Method of reforming crude oil21 Apr 2026US 12,606,754 B2
- Demulsifying method1 Oct 2026US 2026/0297438 A1Innospec Limited
- Demulsifier screening and characterization using modified karl fischer reagent1 Oct 2026US 2026/0298897 A1Saudi Arabian Oil Company
- Inline electro-coalescer multi-treater17 Sep 2026US 2026/0275203 A1FMC Separation Systems, BV
- Method for operating a system comprising a centrifugal separator27 Aug 2026US 2026/0249213 A1Alfa Laval Corporate AB
- Converting Biomass To Diesel20 Aug 2026US 2026/0242669 A1Abundia Biomass-To-Liquids Limited
Most cited
By later US patents
- Dense star polymers having core, core branches, terminal groups293US 4,507,466 AThe Dow Chemical Company · 1985
- Dense star polymers having two dimensional molecular diameter280US 4,587,329 AThe Dow Chemical Company · 1986
- Dense star polymers and dendrimers260US 4,568,737 AThe Dow Chemical Company · 1986
- Dense star polymer227US 4,558,120 AThe Dow Chemical Company · 1985
- Hydrolytically-stable dense star polyamine191US 4,631,337 AThe Dow Chemical Company · 1986