G01N 11/08
By measuring pressure required to produce a known flow
Official title: by measuring pressure required to produce a known flow
G01N11/08 (By measuring pressure required to produce a known flow) appears on 314 US grants and 260 published applications in this corpus.
Search patents in G01N- Granted patents
- 314
- Published applications
- 260
- Assignees
- 265
- Inventors
- 761
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 3 | 0 |
| 1980 | 2 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 3 | 0 |
| 1984 | 3 | 0 |
| 1985 | 4 | 0 |
| 1986 | 6 | 0 |
| 1987 | 5 | 0 |
| 1988 | 5 | 0 |
| 1989 | 4 | 0 |
| 1990 | 6 | 0 |
| 1991 | 4 | 0 |
| 1992 | 2 | 0 |
| 1993 | 7 | 0 |
| 1994 | 9 | 0 |
| 1995 | 3 | 0 |
| 1996 | 2 | 0 |
| 1997 | 4 | 0 |
| 1998 | 3 | 0 |
| 1999 | 5 | 0 |
| 2000 | 7 | 0 |
| 2001 | 11 | 4 |
| 2002 | 8 | 6 |
| 2003 | 8 | 12 |
| 2004 | 7 | 11 |
| 2005 | 12 | 8 |
| 2006 | 6 | 5 |
| 2007 | 7 | 5 |
| 2008 | 3 | 8 |
| 2009 | 3 | 6 |
| 2010 | 7 | 6 |
| 2011 | 3 | 4 |
| 2012 | 2 | 6 |
| 2013 | 2 | 13 |
| 2014 | 2 | 9 |
| 2015 | 6 | 7 |
| 2016 | 7 | 9 |
| 2017 | 8 | 14 |
| 2018 | 8 | 18 |
| 2019 | 11 | 17 |
| 2020 | 21 | 17 |
| 2021 | 10 | 12 |
| 2022 | 13 | 15 |
| 2023 | 13 | 13 |
| 2024 | 15 | 17 |
| 2025 | 11 | 11 |
| 2026 | 9 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Measurement of flow rate, density, viscosity, and rheology of multiphase fluids in a pipe6 Oct 2026US 12,754,115 B2Saudi Arabian Oil Company
- Apparatus for high speed image capture during measurement of capillary pressure in a porous sample15 Sep 2026US 12,737,882 B2Ametek, Inc.
- Gel particle-containing discontinuous phase seepage experimental apparatus and critical pressure determination method25 Aug 2026US 12,716,354 B2China University of Petroleum (East China)
- Device and method for measuring gas concentration14 Jul 2026US 12,680,933 B2University of Science and Technology of China
- Point-of-use devices and methods for determining rheological properties of samples24 Mar 2026US 12,584,839 B2Massachusetts Institute of Technology
- Particle differential mobility analyzer and particle separating and counting apparatus using the same20 Aug 2026US 2026/0243647 A1Innovative Nanotech Incorporated
- Nozzle manifold assembly18 Jun 2026US 2026/0168829 A1The Aerospace Corporation
- Cyclic polymer processing method including an inline viscosity measurement method18 Jun 2026US 2026/0168910 A1Promix Solutions AG
- Apparatus and methods for foam generation and foam evaluation4 Jun 2026US 2026/0153421 A1University of Wyoming
- Measurement Of Water Chemistry By Altering The Resonant Frequency Of A Vibrating Element With Hydrophilic Hydrogels14 May 2026US 2026/0133109 A1Halliburton Energy Services.Inc.
Most cited
By later US patents
- Multi-reservoir pressure control system330US 6,915,679 B2Caliper Life Sciences, Inc. · 2005
- High temperature continuous viscometry coupled with analytic temperature rising elution fractionation for evaluating crystalline and semi-crystalline polymers272US 4,798,081 AThe Dow Chemical Company · 1989
- Microfluidic viscometer137US 6,681,616 B2Caliper Technologies Corp. · 2004
- Microfluidic viscometer115US 7,040,144 B2Caliper Life Sciences, Inc. · 2006
- Apparatus for measuring the flow rate and/or viscous characteristics of fluids81US 3,952,577 ACanadian Patents and Development Limited · 1976