G01N 7/00
Analysing materials by measuring the pressure or volume of a gas or
Official title: Analysing materials by measuring the pressure or volume of a gas or vapour
G01N7/00 (Analysing materials by measuring the pressure or volume of a gas or) appears on 633 US grants and 445 published applications in this corpus.
Search patents in G01N- Granted patents
- 633
- Published applications
- 445
- Assignees
- 484
- Inventors
- 1,563
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 10 | 0 |
| 1978 | 9 | 0 |
| 1979 | 5 | 0 |
| 1980 | 8 | 0 |
| 1981 | 8 | 0 |
| 1982 | 13 | 0 |
| 1983 | 7 | 0 |
| 1984 | 5 | 0 |
| 1985 | 9 | 0 |
| 1986 | 11 | 0 |
| 1987 | 7 | 0 |
| 1988 | 6 | 0 |
| 1989 | 6 | 0 |
| 1990 | 4 | 0 |
| 1991 | 12 | 0 |
| 1992 | 14 | 0 |
| 1993 | 11 | 0 |
| 1994 | 14 | 0 |
| 1995 | 13 | 0 |
| 1996 | 12 | 0 |
| 1997 | 13 | 0 |
| 1998 | 19 | 0 |
| 1999 | 13 | 0 |
| 2000 | 12 | 0 |
| 2001 | 8 | 1 |
| 2002 | 10 | 13 |
| 2003 | 9 | 17 |
| 2004 | 16 | 19 |
| 2005 | 17 | 19 |
| 2006 | 10 | 12 |
| 2007 | 5 | 10 |
| 2008 | 9 | 13 |
| 2009 | 8 | 22 |
| 2010 | 11 | 12 |
| 2011 | 12 | 7 |
| 2012 | 11 | 12 |
| 2013 | 10 | 16 |
| 2014 | 14 | 18 |
| 2015 | 8 | 38 |
| 2016 | 19 | 27 |
| 2017 | 21 | 21 |
| 2018 | 25 | 21 |
| 2019 | 25 | 17 |
| 2020 | 16 | 23 |
| 2021 | 16 | 30 |
| 2022 | 19 | 27 |
| 2023 | 26 | 16 |
| 2024 | 17 | 12 |
| 2025 | 21 | 17 |
| 2026 | 14 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Desorbed gas amount testing device and measuring method6 Oct 2026US 12,754,114 B2China Petroleum & Chemical Corporation
- Enabling an automated assistant to leverage odor sensor(s) of client device(s)8 Sep 2026US 12,730,049 B2Google Inc.
- Measurement and control of entrained air and foam in metalworking fluids8 Sep 2026US 12,730,100 B2Quaker Chemical Corporation
- Prediction of research octane number using a constant volume combustion chamber1 Sep 2026US 12,724,015 B2Precision Analyzer Company L.P.
- Measurement and control of entrained air and foam in metalworking fluids1 Sep 2026US 12,724,021 B2Quaker Chemical Corporation
- Systems and methods for scheduling filter maintenance of an imaging system23 Jul 2026US 2026/0208086 A1GE Precision Healthcare LLC
- Method for detecting scale inside conduit using properties of tube waves23 Jul 2026US 2026/0210708 A1Seismos, Inc.
- Apparatus and methods for foam generation and foam evaluation4 Jun 2026US 2026/0153421 A1University of Wyoming
- Detection device and detection method for testing mechanism26 Mar 2026US 2026/0086010 A1Siliconware Precision Industries Co., Ltd.
- Pressure-based method to determine instability temperature29 Jan 2026US 2026/0029318 A1Valero Services, Inc.
Most cited
By later US patents
- Glucose biosensor759US 6,475,750 B1M-Biotech, Inc. · 2002
- Biosensor621US 6,268,161 B1M-Biotech, Inc. · 2001
- Photometric glucose measurement system using glucose-sensitive hydrogel447US 6,835,553 B2M-Biotech, Inc. · 2004
- Hydrogel biosensor204US 6,514,689 B2M-Biotech, Inc. · 2003
- Polymer matrix containing catalase co-immobilized with analytic enzyme that generates hydrogen peroxide201US 6,858,403 B2M-Biotech, Inc. · 2005