G01N 15/088
Investigating volume, surface area, size or distribution of pores
Official title: {Investigating volume, surface area, size or distribution of pores; Porosimetry}
G01N15/088 (Investigating volume, surface area, size or distribution of pores) appears on 485 US grants and 465 published applications in this corpus.
Search patents in G01N- Granted patents
- 485
- Published applications
- 465
- Assignees
- 308
- Inventors
- 1,563
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 2 | 0 |
| 1980 | 3 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 1 | 0 |
| 1984 | 6 | 0 |
| 1985 | 2 | 0 |
| 1986 | 7 | 0 |
| 1987 | 7 | 0 |
| 1988 | 9 | 0 |
| 1989 | 6 | 0 |
| 1990 | 9 | 0 |
| 1991 | 10 | 0 |
| 1992 | 6 | 0 |
| 1993 | 1 | 0 |
| 1994 | 4 | 0 |
| 1995 | 6 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 3 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 2 | 0 |
| 2002 | 5 | 10 |
| 2003 | 8 | 6 |
| 2004 | 7 | 14 |
| 2005 | 6 | 9 |
| 2006 | 8 | 12 |
| 2007 | 13 | 8 |
| 2008 | 8 | 5 |
| 2009 | 5 | 10 |
| 2010 | 6 | 6 |
| 2011 | 5 | 7 |
| 2012 | 4 | 8 |
| 2013 | 7 | 16 |
| 2014 | 11 | 14 |
| 2015 | 12 | 29 |
| 2016 | 14 | 29 |
| 2017 | 15 | 31 |
| 2018 | 22 | 25 |
| 2019 | 38 | 24 |
| 2020 | 25 | 31 |
| 2021 | 24 | 29 |
| 2022 | 32 | 23 |
| 2023 | 34 | 34 |
| 2024 | 29 | 31 |
| 2025 | 25 | 36 |
| 2026 | 22 | 18 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- In situ concentration of hydrocarbons in rock22 Sep 2026US 12,742,768 B2Saudi Arabian Oil Company
- Method for measuring pore size and pore size distribution of filter membrane18 Aug 2026US 12,710,349 B2Shanghai University of Engineering Science
- Method for quantitative evaluation on sensitivity of shale oil and gas reservoir to injected fluids28 Jul 2026US 12,693,249 B2Northeast Petroleum University
- Size-tunable synthetic particles with tunable optical properties and methods for using the same for immune cell activation30 Jun 2026US 12,669,427 B2Slingshot Biosciences, Inc.
- Method and system for automated in-situ capillary pressure and wettabilty characterization of porous media9 Jun 2026US 12,650,372 B2University of Wyoming
- Method for performing a pore size test on a mesh wick17 Sep 2026US 2026/0276516 A1Westinghouse Electric Corp.
- Sintered ore and method for producing same, and sintered ore for hydrogen reduction and method for producing same27 Aug 2026US 2026/0250798 A1Jfe Steel Corporation
- Activatable environmental indicators27 Aug 2026US 2026/0251566 A1Zebra Technologies Corporation
- Method and system for core sample analysis, electronic device, and storage medium27 Aug 2026US 2026/0251593 A1PetroChina Company Limited
- Methods and systems for characterizing porosity of additively manufactured bone scaffolds27 Aug 2026US 2026/0253203 A1
Most cited
By later US patents
- Apparatus for analysis of failure of material290US 4,856,341 AShell Oil Company · 1989
- Method for analysis of failure of material employing imaging288US 4,884,455 AShell Oil Company · 1989
- Method for determining the bubble point or the largest pore of membranes or of filter materials99US 4,744,240 AAkzo N. V. · 1988
- Porosimeter and methods of assessing porosity92US 4,718,270 ACoulter Electronics, Inc. · 1988
- Photoelectric bubble detector apparatus and method90US 4,779,448 ADonaldson Company, Inc. · 1988