C11B 9/02
Recovery or refining of essential oils from raw materials
C11B9/02 (Recovery or refining of essential oils from raw materials) appears on 282 US grants and 329 published applications in this corpus.
Search patents in C11B- Granted patents
- 282
- Published applications
- 329
- Assignees
- 200
- Inventors
- 745
- Latest grant
- 28 Apr 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 4 | 0 |
| 1984 | 5 | 0 |
| 1985 | 3 | 0 |
| 1986 | 1 | 0 |
| 1987 | 5 | 0 |
| 1988 | 2 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 8 | 0 |
| 1992 | 4 | 0 |
| 1993 | 1 | 0 |
| 1994 | 6 | 0 |
| 1995 | 3 | 0 |
| 1996 | 7 | 0 |
| 1997 | 0 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 5 | 1 |
| 2002 | 6 | 3 |
| 2003 | 2 | 12 |
| 2004 | 3 | 5 |
| 2005 | 7 | 6 |
| 2006 | 5 | 5 |
| 2007 | 2 | 5 |
| 2008 | 1 | 5 |
| 2009 | 3 | 4 |
| 2010 | 2 | 13 |
| 2011 | 1 | 6 |
| 2012 | 2 | 6 |
| 2013 | 2 | 7 |
| 2014 | 2 | 11 |
| 2015 | 12 | 13 |
| 2016 | 5 | 7 |
| 2017 | 8 | 25 |
| 2018 | 15 | 24 |
| 2019 | 14 | 20 |
| 2020 | 14 | 32 |
| 2021 | 22 | 26 |
| 2022 | 10 | 29 |
| 2023 | 15 | 17 |
| 2024 | 16 | 19 |
| 2025 | 18 | 21 |
| 2026 | 8 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for the production of musk fragrance ingredient28 Apr 2026US 12,612,353 B2Givaudan SA
- Perfumed compositions, process of preparing thereof and uses28 Apr 2026US 12,612,577 B2Minasolve SAS
- Methods and systems for extracting additional beneficial lipid-soluble compounds from plant materials in environmentally sustainable ways24 Feb 2026US 12,559,697 B2Young Living Essential Oils, LC
- Electric jacket system and methods10 Feb 2026US 12,544,689 B2Gene Pool Technologies, Inc.
- Methods and systems for extracting additional beneficial lipid-soluble compounds from plant materials in environmentally sustainable ways3 Feb 2026US 12,540,293 B2Young Living Essential Oils, LC
- System and method for extracting volatile molecules from plant raw materials27 Aug 2026US 2026/0250600 A1Jafer Enterprises R&D, S.L.U
- Continuous microwaves extraction apparatus with belt conveyor23 Jul 2026US 2026/0214763 A1
- Systems and techniques for extracting hemp seed oil11 Jun 2026US 2026/0158091 A1
- Compositions and methods relating to insecticides23 Apr 2026US 2026/0107951 A1
- Methods to convert thca into thc19 Mar 2026US 2026/0077276 A1Natural Extraction Systems, LLC
Most cited
By later US patents
- Process for removal of basic materials94US 5,018,540 APhilip Morris Incorporated · 1991
- Method for purifying (-)-N-isopulegol and citrus perfume composition containing (-)-N-isopulegol obtained by the method90US 5,773,410 ATakasago International Corporation · 1998
- Extraction of plant material by using carbon dioxide63US 4,554,170 AHop Developments Limited · 1985
- Mint flavored chewing gum having reduced bitterness and methods for making same51US 5,372,824 AWm. Wrigley Jr. Company · 1994
- Microwave-assisted extraction from materials containing organic matter46US 5,458,897 AHer Majesty the Queen in right of Canada, as represented by the Minister of the Environment · 1995