G01N 7/10
Analysing materials by measuring the pressure or volume of a gas or
Official title: by allowing diffusion of components through a porous wall and measuring a pressure or volume difference
G01N7/10 (Analysing materials by measuring the pressure or volume of a gas or) appears on 139 US grants and 91 published applications in this corpus.
Search patents in G01N- Granted patents
- 139
- Published applications
- 91
- Assignees
- 122
- Inventors
- 341
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 2 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 1 | 0 |
| 1992 | 2 | 0 |
| 1993 | 3 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 1 |
| 2003 | 1 | 6 |
| 2004 | 6 | 7 |
| 2005 | 9 | 8 |
| 2006 | 2 | 3 |
| 2007 | 1 | 0 |
| 2008 | 1 | 6 |
| 2009 | 3 | 2 |
| 2010 | 4 | 6 |
| 2011 | 3 | 2 |
| 2012 | 1 | 2 |
| 2013 | 2 | 1 |
| 2014 | 4 | 4 |
| 2015 | 2 | 3 |
| 2016 | 2 | 5 |
| 2017 | 2 | 1 |
| 2018 | 1 | 8 |
| 2019 | 10 | 5 |
| 2020 | 3 | 7 |
| 2021 | 4 | 6 |
| 2022 | 6 | 3 |
| 2023 | 7 | 2 |
| 2024 | 5 | 0 |
| 2025 | 1 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device and system for monitoring the conditions of a thermal fluid, and method for said monitoring28 Jul 2026US 12,693,045 B2Rioglass Solar Sch, S.L.
- Apparatus and methods for foam generation and foam evaluation3 Mar 2026US 12,566,118 B2University of Wyoming
- Device and method for determining gas diffusion coefficient in rocks25 Nov 2025US 12,480,854 B1Southwest Petroleum University
- Method and apparatus for determining the content of a foreign gas in a process liquid22 Oct 2024US 12,123,837 B2Anton Paar GmbH
- Transportable gas detector unit having mounted gas sources for gas sensor testing and calibration8 Oct 2024US 12,111,298 B2Blackline Safety Corp.
- Apparatus and methods for foam generation and foam evaluation4 Jun 2026US 2026/0153421 A1University of Wyoming
- Method of determining the saturation time of an adsorbent26 Jun 2025US 2025/0208017 A1Cerafiltec Germany GmbH
- Device and system for monitoring the conditions of a thermal fluid, and method for said monitoring24 Apr 2025US 2025/0129972 A1Rioglass Solar Sch, S.L.
- Method for determining a matrix permeability of a subsurface formation26 Oct 2023US 2023/0341312 A1Aramco Services Company
- Apparatus and methods for foam generation and foam evaluation28 Sep 2023US 2023/0304907 A1University of Wyoming
Most cited
By later US patents
- Alkali metal leak detection method and apparatus188US 3,969,077 AVarian Associates, Inc. · 1976
- Gas analyzer for molten metals118US 5,495,746 A1996
- Transformer fault detection47US 4,112,737 AMorgan Schaffer Ltd. · 1978
- Method and apparatus for measuring gas transmission rates of deformable or brittle materials44US 6,981,403 B2Mocon, Inc. · 2006
- Vapor sampling device37US 3,950,980 AMinnesota Mining and Manufacturing Company · 1976