C10G 1/047
Hot water or cold water extraction processes
Official title: {Hot water or cold water extraction processes}
C10G1/047 (Hot water or cold water extraction processes) appears on 369 US grants and 366 published applications in this corpus.
Search patents in C10G- Granted patents
- 369
- Published applications
- 366
- Assignees
- 253
- Inventors
- 723
- Latest grant
- 28 Oct 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 4 | 0 |
| 1978 | 12 | 0 |
| 1979 | 4 | 0 |
| 1980 | 5 | 0 |
| 1981 | 3 | 0 |
| 1982 | 11 | 0 |
| 1983 | 14 | 0 |
| 1984 | 14 | 0 |
| 1985 | 5 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 2 | 0 |
| 1990 | 7 | 0 |
| 1991 | 3 | 0 |
| 1992 | 3 | 0 |
| 1993 | 4 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 2 | 0 |
| 1998 | 8 | 0 |
| 1999 | 5 | 0 |
| 2000 | 1 | 0 |
| 2001 | 2 | 1 |
| 2002 | 1 | 2 |
| 2003 | 1 | 3 |
| 2004 | 2 | 7 |
| 2005 | 2 | 6 |
| 2006 | 1 | 9 |
| 2007 | 1 | 13 |
| 2008 | 5 | 22 |
| 2009 | 8 | 22 |
| 2010 | 13 | 25 |
| 2011 | 11 | 24 |
| 2012 | 16 | 32 |
| 2013 | 21 | 32 |
| 2014 | 17 | 34 |
| 2015 | 27 | 23 |
| 2016 | 23 | 22 |
| 2017 | 26 | 15 |
| 2018 | 18 | 22 |
| 2019 | 6 | 14 |
| 2020 | 15 | 14 |
| 2021 | 8 | 7 |
| 2022 | 5 | 7 |
| 2023 | 6 | 5 |
| 2024 | 5 | 4 |
| 2025 | 2 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Hydrothermal liquefaction system with heat exchanger network28 Oct 2025US 12,454,649 B2Battelle Memorial Institute
- Treatment of hydrocarbon-contaminated materials29 Jul 2025US 12,370,586 B2
- Recycling a used absorbent hygiene product or its components using hydrothermal treatment13 Aug 2024US 12,060,462 B2The Procter & Gamble Company
- Two-stage process with thermal conversion6 Aug 2024US 12,054,674 B2Upm-Kymmene Corporation
- Process for extracting crude oil from diatomaceous earth23 Jul 2024US 12,043,799 B2Trc Operating Company, Inc.
- Multivalent ionic liquids as process aids for bitumen extraction20 Feb 2025US 2025/0059446 A1Sterling Specialty Chemicals Holding UK Limited
- Recycling a used absorbent hygiene product or its components using hydrothermal treatment7 Nov 2024US 2024/0368369 A1The Procter & Gamble Company
- Real time detection of solids content in aqueous colloidal dispersions such as oil sands tailings using microwave sensors1 Aug 2024US 2024/0255487 A1
- Alkali-enhanced hydrothermal purification of plastic pyrolysis oils27 Jun 2024US 2024/0209267 A1Neste Oyj
- Hydrothermal liquefaction system with heat exchanger network18 Jan 2024US 2024/0018416 A1Battelle Memorial Institute
Most cited
By later US patents
- Tar sands extraction process312US 5,985,138 AGeopetrol Equipment Ltd. · 1999
- Process for recovering products from tar sand300US 4,409,090 AUniversity of Utah · 1983
- Solvent soaps and methods employing same152US 5,723,423 AUnion Oil Company of California, dba UNOCAL · 1998
- Low temperature bitumen recovery process113US 4,946,597 AEsso Resources Canada Limited · 1990
- Process for separation of hydrocarbon from tar sands froth92US 5,236,577 AOslo Alberta Limited · 1993