G01F 23/2962
Measuring transit time of reflected waves
G01F23/2962 (Measuring transit time of reflected waves) appears on 783 US grants and 658 published applications in this corpus.
Search patents in G01F- Granted patents
- 783
- Published applications
- 658
- Assignees
- 436
- Inventors
- 1,422
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 5 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 4 | 0 |
| 1982 | 5 | 0 |
| 1983 | 2 | 0 |
| 1984 | 4 | 0 |
| 1985 | 5 | 0 |
| 1986 | 4 | 0 |
| 1987 | 8 | 0 |
| 1988 | 8 | 0 |
| 1989 | 13 | 0 |
| 1990 | 12 | 0 |
| 1991 | 15 | 0 |
| 1992 | 17 | 0 |
| 1993 | 15 | 0 |
| 1994 | 12 | 0 |
| 1995 | 17 | 0 |
| 1996 | 8 | 0 |
| 1997 | 15 | 0 |
| 1998 | 21 | 0 |
| 1999 | 16 | 0 |
| 2000 | 9 | 0 |
| 2001 | 20 | 8 |
| 2002 | 12 | 13 |
| 2003 | 23 | 11 |
| 2004 | 11 | 17 |
| 2005 | 18 | 23 |
| 2006 | 14 | 19 |
| 2007 | 12 | 20 |
| 2008 | 14 | 32 |
| 2009 | 12 | 29 |
| 2010 | 15 | 22 |
| 2011 | 18 | 22 |
| 2012 | 27 | 24 |
| 2013 | 16 | 26 |
| 2014 | 23 | 34 |
| 2015 | 31 | 37 |
| 2016 | 29 | 37 |
| 2017 | 25 | 36 |
| 2018 | 26 | 31 |
| 2019 | 34 | 29 |
| 2020 | 41 | 39 |
| 2021 | 29 | 26 |
| 2022 | 23 | 28 |
| 2023 | 21 | 32 |
| 2024 | 24 | 20 |
| 2025 | 25 | 22 |
| 2026 | 12 | 21 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Fill level gauge15 Sep 2026US 12,736,385 B2Endress + Hauser GmbH + Co. KG
- Calibration of modular fill-level gauges8 Sep 2026US 12,729,997 B2Endress + Hauser GmbH + Co. KG
- Sensor arrangements, sensor systems, and methods for determining height of liquids in tanks1 Sep 2026US 12,723,906 B2Mopeka Products LLC
- System, devices and methods for measuring a fill level in containers18 Aug 2026US 12,710,138 B2Smart Projects LLC
- Interface position determining apparatus and method18 Aug 2026US 12,710,303 B2Mitsubishi Heavy Industries, Ltd.
- Storage container1 Oct 2026US 2026/0298691 A1Kathema GmbH
- Fluid storage systems and monitoring27 Aug 2026US 2026/0251492 A1Darling Ingredients Inc.
- Determining acoustic characteristics of sample containers and fluid samples therein using reflected acoustic signals27 Aug 2026US 2026/0251622 A1Labcyte Inc.
- Ultrasonic container screener20 Aug 2026US 2026/0243590 A1Battelle Memorial Institute
- Systems and methods for paddy farm water level measurement20 Aug 2026US 2026/0243594 A1Climate Sense, Inc.
Most cited
By later US patents
- Automatic liquid dispenser and refrigerator with the same865US 7,661,448 B2LG Electronics Inc. · 2010
- Optical identification and monitoring system using pattern recognition for use with vehicles656US 5,845,000 AAutomotive Technologies International, Inc. · 1998
- Vehicular component control systems and methods554US 6,442,465 B2Automotive Technologies International, Inc. · 2002
- Telematics system503US 6,735,506 B2Automotive Technologies International, Inc. · 2004
- Monitoring using cellular phones263US 8,035,508 B2Intelligent Technologies International, Inc. · 2011