G01F 1/667
Arrangements of transducers for ultrasonic flowmeters
Official title: Arrangements of transducers for ultrasonic flowmeters; Circuits for operating ultrasonic flowmeters
G01F1/667 (Arrangements of transducers for ultrasonic flowmeters) appears on 1,286 US grants and 1,271 published applications in this corpus.
Search patents in G01F- Granted patents
- 1,286
- Published applications
- 1,271
- Assignees
- 567
- Inventors
- 2,013
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 6 | 0 |
| 1978 | 7 | 0 |
| 1979 | 2 | 0 |
| 1980 | 8 | 0 |
| 1981 | 4 | 0 |
| 1982 | 11 | 0 |
| 1983 | 11 | 0 |
| 1984 | 13 | 0 |
| 1985 | 9 | 0 |
| 1986 | 8 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 3 | 0 |
| 1990 | 3 | 0 |
| 1991 | 7 | 0 |
| 1992 | 9 | 0 |
| 1993 | 4 | 0 |
| 1994 | 8 | 0 |
| 1995 | 14 | 0 |
| 1996 | 13 | 0 |
| 1997 | 11 | 0 |
| 1998 | 29 | 0 |
| 1999 | 10 | 0 |
| 2000 | 15 | 0 |
| 2001 | 10 | 5 |
| 2002 | 19 | 21 |
| 2003 | 32 | 14 |
| 2004 | 22 | 26 |
| 2005 | 25 | 27 |
| 2006 | 17 | 20 |
| 2007 | 24 | 26 |
| 2008 | 22 | 27 |
| 2009 | 18 | 31 |
| 2010 | 24 | 38 |
| 2011 | 30 | 36 |
| 2012 | 35 | 40 |
| 2013 | 32 | 33 |
| 2014 | 26 | 52 |
| 2015 | 35 | 66 |
| 2016 | 60 | 63 |
| 2017 | 51 | 68 |
| 2018 | 53 | 64 |
| 2019 | 63 | 77 |
| 2020 | 89 | 84 |
| 2021 | 44 | 76 |
| 2022 | 70 | 90 |
| 2023 | 80 | 89 |
| 2024 | 57 | 71 |
| 2025 | 78 | 69 |
| 2026 | 52 | 58 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Device and method for ultrasonic measurement of the fluid flow velocity and flowrate29 Sep 2026US 12,747,973 B2
- Methods for measuring times-of-flight of ultrasound echo signals15 Sep 2026US 12,736,379 B2China Jiliang University
- Fluid flow meter, monitoring system comprising at least one such fluid flow meter and method for operating a fluid flow meter15 Sep 2026US 12,736,391 B2Sick Engineering GmbH
- System and method for tracking anesthetic agent in a vaporizer reservior1 Sep 2026US 12,721,963 B2GE Precision Healthcare LLC
- Method and internet of things (IoT) system for managing and controlling risk in smart gas pipeline network by combining ultrasonic flowmeter1 Sep 2026US 12,723,903 B2Chengdu Qinchuan Iot Technology Co., Ltd.
- Method for operating an ultrasonic flowmeter and ultrasonic flowmeter1 Oct 2026US 2026/0298680 A1Krohne AG
- Ultrasonic electromagnetic sensor for multiphase cut measurements and associated methods1 Oct 2026US 2026/0298858 A1PERM Inc.
- Flow meter17 Sep 2026US 2026/0276417 A1Sentronics Holdings Limited
- Adapter device for a sensor device, adapter arrangement, adapter system, measuring device having adapter device and sensor device, and method17 Sep 2026US 2026/0276418 A1Bausch + Stroebel SE + Co. KG
- Flow meter17 Sep 2026US 2026/0276419 A1Sentronics Holdings Limited
Most cited
By later US patents
- Ultrasonic flowmeters using waveguide antennas271US 4,336,719 APanametrics, Inc. · 1982
- Ultrasonic flow metering system156US 6,487,916 B1Bechtel BXWT Idaho, LLC · 2002
- Nonintrusive flow sensing system149US 5,040,415 ARockwell International Corporation · 1991
- Flow analysis system and method142US 5,741,980 AFoster-Miller, Inc. · 1998
- Acoustic flow measurement method and measurement apparatus implementing the method136US 5,770,806 AValtion Teknillinen Tutkimuskeskus · 1998