G01F 23/2925
Using electrical detecting means
Official title: {using electrical detecting means}
G01F23/2925 (Using electrical detecting means) appears on 248 US grants and 175 published applications in this corpus.
Search patents in G01F- Granted patents
- 248
- Published applications
- 175
- Assignees
- 186
- Inventors
- 478
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 5 | 0 |
| 1980 | 6 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 4 | 0 |
| 1989 | 6 | 0 |
| 1990 | 8 | 0 |
| 1991 | 9 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 2 | 0 |
| 1995 | 7 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 6 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 6 | 2 |
| 2002 | 5 | 4 |
| 2003 | 6 | 12 |
| 2004 | 5 | 5 |
| 2005 | 6 | 8 |
| 2006 | 4 | 2 |
| 2007 | 6 | 6 |
| 2008 | 4 | 6 |
| 2009 | 6 | 4 |
| 2010 | 8 | 8 |
| 2011 | 6 | 3 |
| 2012 | 3 | 10 |
| 2013 | 5 | 5 |
| 2014 | 8 | 8 |
| 2015 | 10 | 10 |
| 2016 | 10 | 3 |
| 2017 | 2 | 3 |
| 2018 | 5 | 13 |
| 2019 | 8 | 9 |
| 2020 | 9 | 12 |
| 2021 | 8 | 7 |
| 2022 | 4 | 5 |
| 2023 | 6 | 14 |
| 2024 | 5 | 8 |
| 2025 | 8 | 5 |
| 2026 | 4 | 3 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Injection device and a reusable part therefor6 Oct 2026US 12,752,059 B2Boehringer Ingelheim International GmbH
- Systems and methods for sensing level of liquid within a container21 Apr 2026US 12,607,495 B2Advance Fibreoptics Engineering Ltd
- Optical level gauge apparatus and method, liquid tank assembly and vehicle employing the same10 Feb 2026US 12,545,425 B2Airbus SAS
- Sensor device and condensate water removal device with a sensor device27 Jan 2026US 12,535,244 B2REFCO Manufacturing Ltd.
- Apparatus and method for detecting liquid level in a clear or partially clear container9 Dec 2025US 12,491,330 B2Mallinckrodt Pharmaceuticals Ireland Limited
- Sensor module6 Aug 2026US 2026/0227225 A1Hosiden Corporation
- Apparatus and method for detecting liquid level in a clear or partially clear container12 Mar 2026US 2026/0069814 A1Mallinckrodt Pharmaceuticals Ireland Limited
- Electro-optic sensor to identify multiple mediums12 Feb 2026US 2026/0043683 A1Eaton Intelligent Power Limited
- Sensor With Fiber Optic Liquid Level Switch, Assembly, and Methods of Making and Using the Same20 Nov 2025US 2025/0354852 A1Westermeyer Industries Inc.
- Device, Beverage Maker, And Method For Dosing Solid And/Or Liquid Substances9 Oct 2025US 2025/0311882 A1WMF GmbH
Most cited
By later US patents
- Fill-level indicator for a liquefied-petroleum-gas tank290US 6,658,933 B2Clesse Industries · 2003
- Optical fuel level sensor141US 6,668,645 B1TI Group Automotive Systems, L.L.C. · 2003
- Sensing system for detecting presence of an ink container and level of ink therein118US 5,997,121 AXerox Corporation · 1999
- Differential fiber optic differential pressure sensor114US 4,210,029 ALad Research Industries, Inc. · 1980
- Fluid level monitoring through fluid cell protrusion111US 4,193,004 ACobe Laboratories, Inc. · 1980