B01J 3/00
Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical
Official title: Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical change of matter; Apparatus therefor (pressure vessels for containing or storing compressed, liquefied or solidified gases F17C)
B01J3/00 (Processes of utilising sub-atmospheric or super-atmospheric pressure to effect chemical or physical) appears on 2,415 US grants and 1,704 published applications in this corpus.
Search patents in B01J- Granted patents
- 2,415
- Published applications
- 1,704
- Assignees
- 1,296
- Inventors
- 5,012
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 30 | 0 |
| 1977 | 37 | 0 |
| 1978 | 54 | 0 |
| 1979 | 31 | 0 |
| 1980 | 50 | 0 |
| 1981 | 60 | 0 |
| 1982 | 38 | 0 |
| 1983 | 45 | 0 |
| 1984 | 46 | 0 |
| 1985 | 42 | 0 |
| 1986 | 29 | 0 |
| 1987 | 26 | 0 |
| 1988 | 38 | 0 |
| 1989 | 48 | 0 |
| 1990 | 46 | 0 |
| 1991 | 34 | 0 |
| 1992 | 34 | 0 |
| 1993 | 55 | 0 |
| 1994 | 45 | 0 |
| 1995 | 49 | 0 |
| 1996 | 45 | 0 |
| 1997 | 38 | 0 |
| 1998 | 54 | 0 |
| 1999 | 62 | 0 |
| 2000 | 68 | 0 |
| 2001 | 47 | 35 |
| 2002 | 64 | 38 |
| 2003 | 42 | 59 |
| 2004 | 37 | 69 |
| 2005 | 37 | 45 |
| 2006 | 35 | 48 |
| 2007 | 32 | 57 |
| 2008 | 27 | 39 |
| 2009 | 38 | 67 |
| 2010 | 28 | 66 |
| 2011 | 41 | 68 |
| 2012 | 36 | 69 |
| 2013 | 51 | 69 |
| 2014 | 48 | 87 |
| 2015 | 61 | 85 |
| 2016 | 65 | 56 |
| 2017 | 57 | 79 |
| 2018 | 73 | 96 |
| 2019 | 82 | 69 |
| 2020 | 67 | 90 |
| 2021 | 79 | 91 |
| 2022 | 56 | 93 |
| 2023 | 72 | 79 |
| 2024 | 63 | 57 |
| 2025 | 44 | 52 |
| 2026 | 29 | 41 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
- B01J 3/06Processes using ultra-high pressure694
- B01J 3/04Pressure vessels573
- B01J 3/008Processes carried out under supercritical conditions451
- B01J 3/02Feed or outlet devices therefor308
- B01J 3/006Processes utilising sub-atmospheric pressure289
- B01J 3/03Pressure vessels, or vacuum vessels, having closure members or seals specially adapted289
- B01J 3/002Component parts of these vessels not mentioned in b01j3/004, b01j3/006, b01j3/02 -149
- B01J 3/004Sight-glasses therefor37
Recent patents
- Molecularly doped nanodiamond1 Sep 2026US 12,722,132 B2The Government of the United States of America, as represented by the Secretary of the Navy
- Underdrain for media vessel and method of cleaning18 Aug 2026US 12,708,934 B2Bl Technologies, Inc.
- High rate reactor system4 Aug 2026US 12,698,447 B2Applied Research Associates, Inc.
- High rate reaction zone system4 Aug 2026US 12,698,448 B2Applied Research Associates, Inc.
- Heat treatment of nanodiamond particles with controlled powder layer depth28 Jul 2026US 12,692,437 B2Schlumberger Technology Corporation
- Systems and processes for producing linear alpha olefins from fatty acids utilizing a supercritical water unit8 Oct 2026US 2026/0308464 A1Saudi Arabian Oil Company
- Biomass processing system for treatment of biomass material8 Oct 2026US 2026/0308845 A1Valmet Corporation
- Process for base-catalyzed reaction of silicones with hydrothermal or supercritical water1 Oct 2026US 2026/0295547 A1Wacker Chemie AG
- Supercritical fluid - electrolysis linked recycling apparatus and method of use thereof24 Sep 2026US 2026/0285781 A1
- Coupled supercritical fluid - carbon capture apparatus and method of use thereof24 Sep 2026US 2026/0285782 A1
Most cited
By later US patents
- Process chamber with inner support569US 6,093,252 AASM America, Inc. · 2000
- Process for converting a metal carbide to carbon by etching in halogens566US 6,579,833 B1The Board of Trustees of the University of Illinois · 2003
- Composite polycrystalline diamond compact502US 4,604,106 ASmith International, Inc. · 1986
- Temperature resistant abrasive compact and method for making same436US 4,224,380 AGeneral Electric Company · 1980
- Compact of boron-doped diamond and method for making same385US 4,268,276 AGeneral Electric Company · 1981