B01J 2208/00539
Pressure
B01J2208/00539 (Pressure) appears on 464 US grants and 434 published applications in this corpus.
Search patents in B01J- Granted patents
- 464
- Published applications
- 434
- Assignees
- 318
- Inventors
- 1,359
- Latest grant
- 1 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 1 | 0 |
| 1984 | 4 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 4 | 0 |
| 1991 | 6 | 0 |
| 1992 | 4 | 0 |
| 1993 | 5 | 0 |
| 1994 | 0 | 0 |
| 1995 | 8 | 0 |
| 1996 | 7 | 0 |
| 1997 | 8 | 0 |
| 1998 | 9 | 0 |
| 1999 | 10 | 0 |
| 2000 | 8 | 0 |
| 2001 | 18 | 2 |
| 2002 | 13 | 15 |
| 2003 | 12 | 28 |
| 2004 | 18 | 14 |
| 2005 | 7 | 8 |
| 2006 | 13 | 14 |
| 2007 | 9 | 14 |
| 2008 | 9 | 20 |
| 2009 | 20 | 20 |
| 2010 | 15 | 21 |
| 2011 | 21 | 12 |
| 2012 | 12 | 10 |
| 2013 | 11 | 9 |
| 2014 | 7 | 17 |
| 2015 | 8 | 21 |
| 2016 | 13 | 15 |
| 2017 | 15 | 16 |
| 2018 | 18 | 9 |
| 2019 | 15 | 21 |
| 2020 | 17 | 30 |
| 2021 | 14 | 27 |
| 2022 | 20 | 24 |
| 2023 | 27 | 23 |
| 2024 | 14 | 16 |
| 2025 | 7 | 10 |
| 2026 | 11 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Olefin polymerization method and system1 Sep 2026US 12,723,108 B2China Petroleum & Chemical Corporation
- Propylene oxide production apparatus and propylene oxide production method25 Aug 2026US 12,714,977 B2Sumitomo Chemical Company, Limited
- Process with continuous catalytic regeneration for treating a hydrocarbon feedstock7 Jul 2026US 12,674,103 B2Ifp Energies Nouvelles
- Method for preparing ethylene propylene30 Jun 2026US 12,668,555 B2China Petroleum & Chemical Corporation
- Fluidization measurement system16 Jun 2026US 12,654,146 B2ExxonMobil Technology and Engineering Company
- Reactor evacuation method and system for dehydrogenation reactor8 Oct 2026US 2026/0307032 A1Sabic Global Technologies B.V.
- Tube bundle reactor24 Sep 2026US 2026/0284622 A1MAN Energy Solutions SE
- Calcination reactor arrangement, calcination system and calcination method20 Aug 2026US 2026/0241355 A1Limearc Process AB
- Method for manufacturing cyclic lactam and device for manufacturing cyclic lactam13 Aug 2026US 2026/0234105 A1Mitsubishi Gas Chemical Company, Inc.
- Process for continuous hydrogenation of aqueous levulinic acid to gamma-valerolactone and its tandem conversion to high octane gasoline range hydrocarbons6 Aug 2026US 2026/0225081 A1Eco-Oil Miljobranslen I Sverige AB
Most cited
By later US patents
- Steam reformer with internal hydrogen purification533US 5,861,137 A1999
- Electrochemical production of ozone and hydrogen peroxide465US 5,972,196 ALynntech, Inc. · 1999
- Continuous slurry polymerization process and appparatus462US 6,833,415 B2ExxonMobil Chemical Patents Inc. · 2004
- Steam reformer with internal hydrogen purification269US 5,997,594 ANorthwest Power Systems, LLC · 1999
- Hydrogen producing fuel processing system236US 6,221,117 B1IdaTech, LLC · 2001