G01F 23/244
Comprising oscillating circuits
Official title: {comprising oscillating circuits}
G01F23/244 (Comprising oscillating circuits) appears on 44 US grants and 32 published applications in this corpus.
Search patents in G01F- Granted patents
- 44
- Published applications
- 32
- Assignees
- 33
- Inventors
- 89
- Latest grant
- 25 Feb 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 0 | 0 |
| 1995 | 1 | 0 |
| 1996 | 4 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 0 |
| 2002 | 1 | 0 |
| 2003 | 2 | 2 |
| 2004 | 1 | 0 |
| 2005 | 1 | 8 |
| 2006 | 7 | 1 |
| 2007 | 0 | 1 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 0 | 2 |
| 2011 | 0 | 3 |
| 2012 | 0 | 1 |
| 2013 | 1 | 1 |
| 2014 | 1 | 3 |
| 2015 | 4 | 1 |
| 2016 | 3 | 2 |
| 2017 | 1 | 1 |
| 2018 | 1 | 1 |
| 2019 | 0 | 0 |
| 2020 | 1 | 2 |
| 2021 | 2 | 0 |
| 2022 | 0 | 0 |
| 2023 | 0 | 1 |
| 2024 | 0 | 1 |
| 2025 | 1 | 1 |
By publication year. Applications have been published since 2001.
Recent patents
- Apparatus and method for sensing water level25 Feb 2025US 12,235,147 B2Nanokem Co., Ltd.
- Fluid characteristic sensor, sensor system, and method30 Nov 2021US 11,187,569 B2King Abdullah University of Science and Technology
- Sensing systems using current steering bridges20 Jul 2021US 11,067,607 B2KSR IP Holdings, LLC
- Radar fill level measurement device13 Oct 2020US 10,802,127 B2VEGA Grieshaber KG
- Field device electronics for a conductive limit-level switch16 Oct 2018US 10,101,190 B2Endress+Hauser SE+Co.KG
- Method and device for monitoring the filling level of a medium in a container12 Jun 2025US 2025/0189358 A1Endress + Hauser GmbH + Co. KG
- Automatic analyzing apparatus and automatic analyzing method22 Feb 2024US 2024/0061000 A1Canon Medical Systems Corporation
- Apparatus and method for sensing water level13 Apr 2023US 2023/0113463 A1Nanokem Co., Ltd.
- Sensing systems using current steering bridges27 Feb 2020US 2020/0062204 A1KSR IP Holdings, LLC
- Fluid characteristic sensor, sensor system, and method9 Jan 2020US 2020/0011725 A1King Abdullah University of Science and Technology
Most cited
By later US patents
- Detector system using extremely low power to sense the presence or absence of an inert or hazardous fuild63US 5,546,009 A1996
- Method & apparatus for liquid level conductance probe control unit with increased sensitivity27US 5,220,514 AITT Corporation · 1993
- Device for detection of when a test probe gets into contact with a liquid surface19US 6,328,934 B1Pharmacia Corporation · 2001
- Water level alarm18US 5,969,620 A1999
- Liquid detecting apparatus, liquid-amount detecting apparatus, liquid detecting method, and liquid-amount detecting method18US 6,962,079 B2Sony Corporation · 2005