G01F 1/3282
For detecting variations in infrasonic, sonic or ultrasonic waves, due to modulation
Official title: {for detecting variations in infrasonic, sonic or ultrasonic waves, due to modulation by passing through the swirling fluid}
G01F1/3282 (For detecting variations in infrasonic, sonic or ultrasonic waves, due to modulation) appears on 54 US grants and 23 published applications in this corpus.
Search patents in G01F- Granted patents
- 54
- Published applications
- 23
- Assignees
- 37
- Inventors
- 106
- Latest grant
- 12 Dec 2023
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 3 | 0 |
| 1984 | 2 | 0 |
| 1985 | 0 | 0 |
| 1986 | 3 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 4 | 0 |
| 1990 | 5 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 4 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 0 | 1 |
| 2005 | 1 | 0 |
| 2006 | 1 | 1 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 1 | 0 |
| 2011 | 0 | 0 |
| 2012 | 0 | 1 |
| 2013 | 2 | 0 |
| 2014 | 2 | 0 |
| 2015 | 0 | 1 |
| 2016 | 0 | 1 |
| 2017 | 1 | 1 |
| 2018 | 1 | 4 |
| 2019 | 1 | 2 |
| 2020 | 4 | 2 |
| 2021 | 0 | 2 |
| 2022 | 4 | 2 |
| 2023 | 3 | 0 |
| 2024 | 0 | 2 |
| 2025 | 0 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Direct implementation of sensors in tubes12 Dec 2023US 11,841,251 B2Ezmems Ltd.
- Detection and monitoring system for the management of combined sewer systems27 Jun 2023US 11,686,082 B2Hadronex, Inc.
- Wind noise analyzer and wind noise analysis method3 Jan 2023US 11,544,421 B2Toyota Jidosha Kabushiki Kaisha
- Time-accurate CFD enhanced interpretation of strain-based flow measurement27 Dec 2022US 11,536,598 B2Expro Meters, Inc.
- Dual sensor vortex flowmeter18 Oct 2022US 11,473,947 B2Micro Motion, Inc.
- Liquid Velocity Meter for Installation in Pipes5 Jun 2025US 2025/0180595 A1Meterra Tech AS
- Flow measurement apparatus12 Sep 2024US 2024/0302194 A1Sick Engineering GmbH
- Device for determining a flow rate of a fluid flow18 Apr 2024US 2024/0125633 A1
- Detection And Monitoring System For The Management Of Combined Sewer Systems11 Aug 2022US 2022/0251818 A1Hadronex, Inc.
- Reducing noise in a vortex flow meter6 Jan 2022US 2022/0003582 A1Saudi Arabian Oil Company
Most cited
By later US patents
- Fuel feed device for engine57US 4,256,075 AMikuni Kogyo Kabushiki Kaisha · 1981
- Ultrasonic vortex flowmeter having remote signal processing51US 5,747,701 AAsahi/America, Inc. · 1998
- Vortex fluid meter incorporating a double obstacle43US 6,003,383 ASchlumberger Industries · 1999
- Vortex flowmeter41US 5,736,649 ATokico Ltd. · 1998
- Mass flow sensor and methods of determining mass flow of a fluid34US 6,912,918 B1General Electric Company · 2005