B01F 33/71
Working at super-atmospheric pressure
Official title: working at super-atmospheric pressure, e.g. in pressurised vessels
B01F33/71 (Working at super-atmospheric pressure) appears on 82 US grants and 75 published applications in this corpus.
Search patents in B01F- Granted patents
- 82
- Published applications
- 75
- Assignees
- 65
- Inventors
- 174
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 2 | 0 |
| 1992 | 1 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 4 | 0 |
| 1998 | 4 | 0 |
| 1999 | 2 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 2 |
| 2002 | 5 | 5 |
| 2003 | 3 | 5 |
| 2004 | 2 | 3 |
| 2005 | 3 | 1 |
| 2006 | 2 | 2 |
| 2007 | 4 | 2 |
| 2008 | 1 | 4 |
| 2009 | 1 | 5 |
| 2010 | 0 | 1 |
| 2011 | 2 | 2 |
| 2012 | 3 | 7 |
| 2013 | 1 | 3 |
| 2014 | 4 | 2 |
| 2015 | 4 | 4 |
| 2016 | 0 | 2 |
| 2017 | 3 | 1 |
| 2018 | 1 | 0 |
| 2019 | 3 | 1 |
| 2020 | 2 | 7 |
| 2021 | 1 | 3 |
| 2022 | 3 | 3 |
| 2023 | 4 | 3 |
| 2024 | 3 | 4 |
| 2025 | 1 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Foamed polymeric composition10 Mar 2026US 12,570,820 B23M Innovative Properties Company
- Multi-component supercritical thermal fluid generation system and method with segmented air supply27 May 2025US 12,312,926 B2Xi' An Jiaotong University
- High-flow, high-pressure inline saturator system and method thereof31 Dec 2024US 12,179,159 B2GIS Gas Infusion Systems Inc.
- Carbon dioxide fluidity control device and method19 Mar 2024US 11,931,708 B2China University of Petroleum (East China)
- Apparatus for mixing materials dissolved in a high-pressure working fluid19 Mar 2024US 11,931,709 B2Kobe Steel, Ltd.
- Fluid treatment system and method18 Dec 2025US 2025/0381536 A1Three Es S.r.l.
- Novel pressurized foam cement blender utilizing gas for laboratory slurry optimization13 Nov 2025US 2025/0345969 A1Aramco Services Company
- Oxygenation assembly for aquaculture8 May 2025US 2025/0144579 A1Poseidon Ocean Systems Ltd.
- Ultra fine bubble-containing liquid producing method, and ultra fine bubble-containing liquid producing apparatus1 Aug 2024US 2024/0252992 A1Canon Kabushiki Kaisha
- Device for generating ozone-containing ultrafine bubble liquid, and method for generating ozone-containing ultrafine bubble liquid25 Jul 2024US 2024/0246045 A1Canon Kabushiki Kaisha
Most cited
By later US patents
- Parallel reactor with internal sensing193US 6,306,658 B1Symyx Technologies, Inc. · 2001
- Parallel reactor with internal sensing and method of using same119US 6,548,026 B1Symyx Technologies, Inc. · 2003
- Analysis and control of parallel chemical reactions111US 6,489,168 B1Symyx Technologies, Inc. · 2002
- Oxygen enriched liquids, method and apparatus for making, and applications thereof77US 5,814,222 ALife International Products, Inc. · 1998
- Systems for mixing liquid solutions and methods of manufacture76US 6,908,223 B2Hynetics LLC · 2005