G01F 1/3273
For detecting fluid speed oscillations by thermal sensors
Official title: {for detecting fluid speed oscillations by thermal sensors}
G01F1/3273 (For detecting fluid speed oscillations by thermal sensors) appears on 43 US grants and 23 published applications in this corpus.
Search patents in G01F- Granted patents
- 43
- Published applications
- 23
- Assignees
- 29
- Inventors
- 75
- Latest grant
- 26 Aug 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 0 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 2 | 3 |
| 2004 | 0 | 2 |
| 2005 | 4 | 3 |
| 2006 | 1 | 0 |
| 2007 | 0 | 0 |
| 2008 | 2 | 1 |
| 2009 | 0 | 1 |
| 2010 | 0 | 0 |
| 2011 | 1 | 0 |
| 2012 | 0 | 1 |
| 2013 | 0 | 2 |
| 2014 | 1 | 0 |
| 2015 | 1 | 0 |
| 2016 | 0 | 0 |
| 2017 | 0 | 1 |
| 2018 | 1 | 2 |
| 2019 | 1 | 1 |
| 2020 | 2 | 2 |
| 2021 | 1 | 1 |
| 2022 | 1 | 1 |
| 2023 | 1 | 0 |
| 2024 | 1 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Swirler-type gas-liquid two-phase flow metering device and method26 Aug 2025US 12,399,045 B2Jiangsu Forged Pipe Fittings Co.,Ltd
- Flow meter12 Nov 2024US 12,140,459 B2WIKA Alexander Wiegand SE & Co. KG
- Thermowell vibration sensing26 Sep 2023US 11,768,091 B2Rosemount Inc.
- Flow direction sensor18 Oct 2022US 11,473,951 B2TSI Incorporated
- Sensor assembly for a sensor, sensor, and measurement system formed therewith16 Mar 2021US 10,948,322 B2Endress + Hauser Flowtec AG
- Apparatus, method, and non-transitory computer readable medium11 Sep 2025US 2025/0283741 A1Yokogawa Electric Corporation
- Swirler-type gas-liquid two-phase flow metering device and method18 Apr 2024US 2024/0125632 A1Jiangsu Forged Pipe Fittings Co.,Ltd
- Flow meter17 Feb 2022US 2022/0049980 A1WIKA Alexander Wiegand SE & Co. KG
- Thermowell vibration sensing23 Sep 2021US 2021/0293589 A1Rosemount Inc.
- Method for evaluating a frequency spectrum14 May 2020US 2020/0149939 A1Grundfos Holding A/S
Most cited
By later US patents
- Fiber optic thermal anemometer52US 4,621,929 ALuxtron Corporation · 1986
- System to measure density, specific gravity, and flow rate of fluids, meter, and related methods49US 6,957,586 B2Saudi Arabian Oil Company · 2005
- Vortex fluid meter incorporating a double obstacle43US 6,003,383 ASchlumberger Industries · 1999
- Air flow metering apparatus for internal combustion engines34US 4,142,407 AHitachi, Ltd. · 1979
- Fluid flow measuring apparatus26US 4,275,602 ANissan Motor Co., Ltd. · 1981