B01J 2219/00162
Controlling the pressure
Official title: controlling the pressure
B01J2219/00162 (Controlling the pressure) appears on 1,112 US grants and 903 published applications in this corpus.
Search patents in B01J- Granted patents
- 1,112
- Published applications
- 903
- Assignees
- 691
- Inventors
- 2,811
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 5 | 0 |
| 1977 | 8 | 0 |
| 1978 | 13 | 0 |
| 1979 | 8 | 0 |
| 1980 | 9 | 0 |
| 1981 | 7 | 0 |
| 1982 | 9 | 0 |
| 1983 | 8 | 0 |
| 1984 | 9 | 0 |
| 1985 | 9 | 0 |
| 1986 | 13 | 0 |
| 1987 | 3 | 0 |
| 1988 | 14 | 0 |
| 1989 | 14 | 0 |
| 1990 | 13 | 0 |
| 1991 | 9 | 0 |
| 1992 | 13 | 0 |
| 1993 | 17 | 0 |
| 1994 | 12 | 0 |
| 1995 | 22 | 0 |
| 1996 | 25 | 0 |
| 1997 | 19 | 0 |
| 1998 | 28 | 0 |
| 1999 | 35 | 0 |
| 2000 | 37 | 0 |
| 2001 | 43 | 15 |
| 2002 | 34 | 37 |
| 2003 | 32 | 48 |
| 2004 | 24 | 32 |
| 2005 | 31 | 36 |
| 2006 | 30 | 24 |
| 2007 | 23 | 36 |
| 2008 | 18 | 24 |
| 2009 | 27 | 13 |
| 2010 | 20 | 25 |
| 2011 | 20 | 37 |
| 2012 | 18 | 12 |
| 2013 | 17 | 21 |
| 2014 | 18 | 30 |
| 2015 | 19 | 42 |
| 2016 | 29 | 43 |
| 2017 | 33 | 19 |
| 2018 | 28 | 46 |
| 2019 | 45 | 44 |
| 2020 | 37 | 50 |
| 2021 | 40 | 69 |
| 2022 | 29 | 54 |
| 2023 | 45 | 40 |
| 2024 | 35 | 35 |
| 2025 | 36 | 45 |
| 2026 | 22 | 26 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method for producing polycrystalline silicon28 Jul 2026US 12,692,167 B2Wacker Chemie AG
- Process and system for producing pulp, energy, and bioderivatives from plant-based and recycled materials14 Jul 2026US 12,678,759 B2Circ, LLC
- Processes for venting olefin polymerization systems16 Jun 2026US 12,655,235 B2ExxonMobil Chemical Patents Inc.
- Reactor arrangement and method for decomposing objects consisting of plastic-based composite materials16 Jun 2026US 12,655,264 B2Hanseatic Rohr GmbH
- Chemical reformer systems and methods9 Jun 2026US 12,649,140 B2
- Gas phase deposition reactor and method for producing polycrystalline silicon1 Oct 2026US 2026/0296900 A1Wacker Chemie AG
- Photoreactor assembly24 Sep 2026US 2026/0284631 A1Signify Holding B. V.
- Horizontal polymerization reactor for producing propylene-based polymer and method for producing propylene-based polymer17 Sep 2026US 2026/0273496 A1Japan Polypropylene Corporation
- Process and System for Producing Pulp, Energy, and Bioderivatives from Plant-Based and Recycled Materials10 Sep 2026US 2026/0264040 A1Circ, LLC
- System to convert cellulosic materials into sugar and method of using the same3 Sep 2026US 2026/0257187 A1Alliance Bioenergy Plus, Inc., Dba Blue Biofuels
Most cited
By later US patents
- 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
- Fast quench reactor method295US 5,935,293 ALockheed Martin Idaho Technologies Company · 1999
- Fast quench reactor and method231US 5,749,937 ALockheed Idaho Technologies Company · 1998
- Parallel reactor with internal sensing193US 6,306,658 B1Symyx Technologies, Inc. · 2001