G01N 7/02
Analysing materials by measuring the pressure or volume of a gas or
Official title: by absorption, adsorption, or combustion of components and measurement of the change in pressure or volume of the remainder {(absorption bulbs B01D53/00)}
G01N7/02 (Analysing materials by measuring the pressure or volume of a gas or) appears on 77 US grants and 69 published applications in this corpus.
Search patents in G01N- Granted patents
- 77
- Published applications
- 69
- Assignees
- 67
- Inventors
- 189
- Latest grant
- 8 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 4 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 3 | 0 |
| 1999 | 2 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 1 | 1 |
| 2003 | 2 | 2 |
| 2004 | 2 | 1 |
| 2005 | 0 | 4 |
| 2006 | 2 | 0 |
| 2007 | 0 | 4 |
| 2008 | 2 | 3 |
| 2009 | 1 | 6 |
| 2010 | 4 | 2 |
| 2011 | 2 | 0 |
| 2012 | 2 | 2 |
| 2013 | 0 | 2 |
| 2014 | 3 | 1 |
| 2015 | 1 | 1 |
| 2016 | 1 | 4 |
| 2017 | 1 | 1 |
| 2018 | 1 | 4 |
| 2019 | 4 | 1 |
| 2020 | 2 | 4 |
| 2021 | 1 | 5 |
| 2022 | 4 | 8 |
| 2023 | 4 | 5 |
| 2024 | 5 | 4 |
| 2025 | 6 | 4 |
| 2026 | 3 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Enabling an automated assistant to leverage odor sensor(s) of client device(s)8 Sep 2026US 12,730,049 B2Google Inc.
- Prediction of research octane number using a constant volume combustion chamber1 Sep 2026US 12,724,015 B2Precision Analyzer Company L.P.
- Container for determining the quantity of CO2 absorbed and/or expelled by a sample of matter over time5 May 2026US 12,618,820 B2Lesaffre Et Compagnie
- Device for measuring fineness and maturity of cotton fibers23 Dec 2025US 12,504,420 B2Mesdan S.p.A.
- Residual gas volume measuring device and residual gas volume measuring method7 Oct 2025US 12,436,016 B2Kyoto Electronics Manufacturing Co., Ltd.
- Method for predicting dynamic adsorption capacity of volatile organic compounds (vocs) at different concentrations using static adsorption isotherm4 Dec 2025US 2025/0369850 A1University of Chinese Academy of Sciences
- Hinged closure for gas pycnometer13 Nov 2025US 2025/0347541 A1
- Implementing barriers for controlled environments during sample processing and detection21 Aug 2025US 2025/0262618 A1Ultima Genomics, Inc.
- An efficient volumetric high pressure adsorption isotherm apparatus and a process thereof7 Aug 2025US 2025/0251328 A1Council of Scientific and Industrial Research
- Enabling an automated assistant to leverage odor sensor(s) of client device(s)12 Dec 2024US 2024/0410803 A1Google Inc.
Most cited
By later US patents
- Method and apparatus for transient measurement of gas permeability in closed-cell foam insulation30US 5,157,960 AMassachusetts Institute of Technology · 1992
- Off-line supercritical fluid extraction collection system30US 5,205,987 ASuprex Corporation · 1993
- Method and apparatus to measure gas amounts adsorbed on a powder sample28US 6,981,426 B2Tsinghua University · 2006
- Apparatus and method for measuring the amount of gas adsorbed on or desorbed from a solid and reactions of a gas with a solid23US 5,342,580 A1994
- Inspection system for process devices for treating substrates, sensor intended for such inspection system, and method for inspecting process devices22US 6,734,027 B2ASM International N.V. · 2004