G01N 15/0826
And measuring fluid flow rate, i.e. permeation rate or pressure change
Official title: {and measuring fluid flow rate, i.e. permeation rate or pressure change}
G01N15/0826 (And measuring fluid flow rate, i.e. permeation rate or pressure change) appears on 614 US grants and 599 published applications in this corpus.
Search patents in G01N- Granted patents
- 614
- Published applications
- 599
- Assignees
- 444
- Inventors
- 1,941
- Latest grant
- 22 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 2 | 0 |
| 1980 | 4 | 0 |
| 1981 | 4 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 8 | 0 |
| 1985 | 9 | 0 |
| 1986 | 5 | 0 |
| 1987 | 8 | 0 |
| 1988 | 5 | 0 |
| 1989 | 6 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 3 | 0 |
| 1993 | 6 | 0 |
| 1994 | 9 | 0 |
| 1995 | 2 | 0 |
| 1996 | 6 | 0 |
| 1997 | 5 | 0 |
| 1998 | 10 | 0 |
| 1999 | 2 | 0 |
| 2000 | 9 | 0 |
| 2001 | 10 | 0 |
| 2002 | 11 | 12 |
| 2003 | 11 | 15 |
| 2004 | 10 | 20 |
| 2005 | 15 | 20 |
| 2006 | 17 | 20 |
| 2007 | 16 | 18 |
| 2008 | 14 | 16 |
| 2009 | 6 | 15 |
| 2010 | 14 | 11 |
| 2011 | 10 | 9 |
| 2012 | 5 | 4 |
| 2013 | 12 | 16 |
| 2014 | 7 | 34 |
| 2015 | 19 | 30 |
| 2016 | 16 | 19 |
| 2017 | 19 | 25 |
| 2018 | 17 | 38 |
| 2019 | 39 | 40 |
| 2020 | 33 | 40 |
| 2021 | 36 | 36 |
| 2022 | 38 | 36 |
| 2023 | 41 | 23 |
| 2024 | 27 | 42 |
| 2025 | 23 | 33 |
| 2026 | 27 | 27 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Caprock analysis methods and systems22 Sep 2026US 12,742,903 B2Saudi Arabian Oil Company
- Device and method for evaluation protection performance using dynamic swatch testing cell1 Sep 2026US 12,723,966 B2Agency for Defense Development
- Method and device for predicting ability of the temporary plugging agent to plug cracks and storage medium11 Aug 2026US 12,704,451 B2Beijing Institute of Petrochemical Technology
- Technique and test fixture to conduct flow testing simulating a gravel pack in a lab environment at downhole conditions7 Jul 2026US 12,674,736 B2Halliburton Energy Services.Inc.
- Flexible wall device and method for measuring gas permeability coefficient and gas diffusion coefficient of soil30 Jun 2026US 12,669,426 B2Fuzhou University
- System for determining filter status8 Oct 2026US 2026/0309611 A1
- Methods and devices for generating flow through porous media using drill cuttings1 Oct 2026US 2026/0298081 A1University of Wyoming
- Test system of rock mass for seepage coupling and permeability testing under deep complex conditions17 Sep 2026US 2026/0276515 A1Sichuan University
- Exhaust system state determination method and exhaust system state determination device3 Sep 2026US 2026/0258745 A1Nissan Motor Co., Ltd.
- System and method for measuring liquid permeability20 Aug 2026US 2026/0243648 A1
Most cited
By later US patents
- Air filter monitoring system159US 7,244,294 B22007
- Intelligent thermostat system for monitoring a refrigerant-cycle apparatus134US 7,331,187 B22008
- Method and device for testing the permeability of membrane filters113US 4,614,109 ABrunswick Corporation · 1986
- Apparatus for testing membrane filter integrity108US 5,353,630 AFiltec Corporation · 1994
- Integrated permeability measurement and resistivity imaging tool105US 5,335,542 ASchlumberger Technology Corporation · 1994