G01F 15/08
Air or gas separators in combination with liquid meters
Official title: Air or gas separators in combination with liquid meters; Liquid separators in combination with gas-meters
G01F15/08 (Air or gas separators in combination with liquid meters) appears on 181 US grants and 140 published applications in this corpus.
Search patents in G01F- Granted patents
- 181
- Published applications
- 140
- Assignees
- 120
- Inventors
- 371
- Latest grant
- 11 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 3 | 0 |
| 1983 | 3 | 0 |
| 1984 | 5 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 3 | 0 |
| 1988 | 3 | 0 |
| 1989 | 4 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 2 | 0 |
| 1993 | 6 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 4 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 4 | 0 |
| 2002 | 2 | 5 |
| 2003 | 7 | 1 |
| 2004 | 3 | 4 |
| 2005 | 0 | 3 |
| 2006 | 4 | 1 |
| 2007 | 2 | 8 |
| 2008 | 2 | 3 |
| 2009 | 3 | 4 |
| 2010 | 4 | 3 |
| 2011 | 2 | 4 |
| 2012 | 1 | 6 |
| 2013 | 5 | 1 |
| 2014 | 7 | 9 |
| 2015 | 4 | 7 |
| 2016 | 8 | 6 |
| 2017 | 3 | 11 |
| 2018 | 2 | 6 |
| 2019 | 10 | 10 |
| 2020 | 6 | 8 |
| 2021 | 8 | 8 |
| 2022 | 5 | 3 |
| 2023 | 7 | 15 |
| 2024 | 10 | 8 |
| 2025 | 7 | 5 |
| 2026 | 3 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Wet gas holdup gas fraction and flow meter11 Aug 2026US 12,704,396 B2Saudi Arabian Oil Company
- Gas measuring apparatus10 Mar 2026US 12,571,784 B2Nova Skantek Instruments (Beijing) Co, Ltd.
- Well testing systems and methods with mobile monitoring20 Jan 2026US 12,529,310 B2Schlumberger Technology Corporation
- Systems and methods for analyzing multiphase production fluids utilizing a vertically oriented fluidic separation chamber23 Dec 2025US 12,504,129 B2Saudi Arabian Oil Company
- Separation system for a fuel cell system30 Sep 2025US 12,431,515 B2AVL List GmbH
- Fluid sampling system and method12 Feb 2026US 2026/0043722 A1
- Physical quantity measuring device20 Nov 2025US 2025/0354845 A1Panasonic Intellectual Property Management Co., Ltd.
- Sand seperation control system and method14 Aug 2025US 2025/0256224 A1Enercorp Engineered Solutions Inc.
- Dust collection adapter19 Jun 2025US 2025/0198822 A1Panasonic Intellectual Property Management Co., Ltd.
- Diesel exhaust fluid sensor adapter for fluid aeration mitigation8 May 2025US 2025/0146855 A1Shaw Development, LLC
Most cited
By later US patents
- Method and an apparatus for metering a liquid flow117US 4,306,454 AA/S N. Foss Electric · 1981
- Multiphase flow measurement system110US 6,318,156 B1Micro Motion, Inc. · 2001
- Multiphase metering method for multiphase flow99US 6,234,030 B1Rosewood Equipment Company · 2001
- Systems and methods for measuring flow rates and densities of the components of oil, water and gas mixtures81US 5,535,632 AAtlantic Richfield Company · 1996
- Flow meters71US 4,881,412 A1989