G01F 1/7044
Using thermal tracers
Official title: {using thermal tracers}
G01F1/7044 (Using thermal tracers) appears on 48 US grants and 43 published applications in this corpus.
Search patents in G01F- Granted patents
- 48
- Published applications
- 43
- Assignees
- 54
- Inventors
- 127
- Latest grant
- 19 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 2 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 1 | 2 |
| 2004 | 1 | 2 |
| 2005 | 1 | 4 |
| 2006 | 1 | 0 |
| 2007 | 2 | 1 |
| 2008 | 2 | 0 |
| 2009 | 0 | 3 |
| 2010 | 1 | 2 |
| 2011 | 2 | 2 |
| 2012 | 2 | 1 |
| 2013 | 0 | 4 |
| 2014 | 1 | 0 |
| 2015 | 3 | 2 |
| 2016 | 1 | 2 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 1 |
| 2020 | 2 | 1 |
| 2021 | 1 | 0 |
| 2022 | 0 | 3 |
| 2023 | 3 | 4 |
| 2024 | 4 | 6 |
| 2025 | 3 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Well testing method using tubing hanger deployed heat tracer flow metering system19 Aug 2025US 12,392,238 B2Saudi Arabian Oil Company
- Flow sensor system and method for using same18 Mar 2025US 12,253,398 B2Amsino Medical Inc.
- Method and device for measuring a flow velocity of a gas stream4 Feb 2025US 12,215,990 B2PROMECON process measurement control GmbH
- System and method for downhole monitoring of fluid flow26 Nov 2024US 12,152,485 B2Wellstarter AS
- Thermal flow sensor and method for operating same21 May 2024US 11,988,535 B2Innovator Sensor Technology IST AG
- Method and device for measuring a flow velocity of a gas stream19 Jun 2025US 2025/0198819 A1PROMECON process measurement control GmbH
- Method for detecting bubbles or droplets of a first medium in a fluid second medium flowing through a measuring pipe31 Oct 2024US 2024/0361165 A1Innovative Sensor Technology IST AG
- Method and device for measuring a flow velocity of a gas stream1 Aug 2024US 2024/0255333 A1PROMECON process measurement control GmbH
- Well testing method using tubing hanger deployed heat tracer flow metering system4 Jul 2024US 2024/0218785 A1Saudi Arabian Oil Company
- Flow sensor system and method for using same6 Jun 2024US 2024/0183698 A1Alcor Scientific, Inc.
Most cited
By later US patents
- Medical infusion apparatus255US 5,211,626 AProduct Innovation Holdings Ltd. · 1993
- Thermal transit time flow measurement system104US 4,938,079 AIVAC Corporation · 1990
- Liquid metering system85US 6,932,796 B2Tearafuse, Inc. · 2005
- Liquid measuring system64US 7,268,859 B2Therafuse, Inc. · 2007
- Optical flow sensor55US 8,034,020 B2CareFusion 303, Inc. · 2011