B01J 2219/00065
Pressure measurement
B01J2219/00065 (Pressure measurement) appears on 176 US grants and 131 published applications in this corpus.
Search patents in B01J- Granted patents
- 176
- Published applications
- 131
- Assignees
- 133
- Inventors
- 491
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 3 | 0 |
| 1982 | 0 | 0 |
| 1983 | 3 | 0 |
| 1984 | 1 | 0 |
| 1985 | 2 | 0 |
| 1986 | 2 | 0 |
| 1987 | 0 | 0 |
| 1988 | 3 | 0 |
| 1989 | 1 | 0 |
| 1990 | 5 | 0 |
| 1991 | 4 | 0 |
| 1992 | 3 | 0 |
| 1993 | 3 | 0 |
| 1994 | 0 | 0 |
| 1995 | 5 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 4 | 0 |
| 1999 | 6 | 0 |
| 2000 | 9 | 0 |
| 2001 | 10 | 2 |
| 2002 | 7 | 7 |
| 2003 | 8 | 9 |
| 2004 | 4 | 9 |
| 2005 | 3 | 3 |
| 2006 | 3 | 3 |
| 2007 | 2 | 0 |
| 2008 | 1 | 2 |
| 2009 | 1 | 4 |
| 2010 | 1 | 1 |
| 2011 | 2 | 2 |
| 2012 | 2 | 5 |
| 2013 | 5 | 9 |
| 2014 | 1 | 15 |
| 2015 | 6 | 6 |
| 2016 | 9 | 10 |
| 2017 | 8 | 4 |
| 2018 | 7 | 9 |
| 2019 | 4 | 3 |
| 2020 | 4 | 1 |
| 2021 | 2 | 6 |
| 2022 | 4 | 3 |
| 2023 | 6 | 7 |
| 2024 | 5 | 4 |
| 2025 | 1 | 2 |
| 2026 | 3 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Apparatus and process for preparing polyalpha-olefins19 May 2026US 12,629,651 B2China Petroleum & Chemical Corporation
- Systems and techniques for heating polymer reactor flashlines24 Mar 2026US 12,583,946 B2Chevron Phillips Chemical Company LP
- Systems and methods for local generation and/or consumption of hydrogen gas20 Jan 2026US 12,528,699 B2Modern Hydrogen, Inc.
- Methods and systems for producing hypobromite by adding acid to reactants29 Apr 2025US 12,286,346 B2Chemtreat, Inc.
- Heat exchange configurations for oligomerization of olefins15 Oct 2024US 12,116,330 B2Chevron Phillips Chemical Company LP
- Apparatus and process for preparing polyalpha-olefins3 Sep 2026US 2026/0257188 A1China Petroleum & Chemical Corporation
- Microfluidic-based on-chip electrocatalytic microcell system and method for fabricating the same30 Jul 2026US 2026/0216680 A1City University of Hong Kong
- Systems and techniques for heating polymer reactor flashlines9 Jul 2026US 2026/0193387 A1Chevron Phillips Chemical Company LP
- Method for Carrying Out a Chemical Reaction and Reactor Arrangement21 May 2026US 2026/0138115 A1BASF SE
- Systems and methods for local generation and/or consumption of hydrogen gas21 May 2026US 2026/0138871 A1Modern Hydrogen, Inc.
Most cited
By later US patents
- Reaction apparatus which introduces one reacting substance within a convergent-divergent nozzle96US 4,909,914 ACanon Kabushiki Kaisha · 1990
- High temperature gas purification system95US 5,888,273 A1999
- Apparatus and methods for gas extraction73US 5,931,987 A1999
- Hydrogen generator72US 6,461,408 B22002
- Apparatus and methods for gas extraction71US 6,183,543 B22001