G01F 23/44
Using electrically actuated indicating means
Official title: using electrically actuated indicating means
G01F23/44 (Using electrically actuated indicating means) appears on 78 US grants and 36 published applications in this corpus.
Search patents in G01F- Granted patents
- 78
- Published applications
- 36
- Assignees
- 41
- Inventors
- 134
- Latest grant
- 18 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 5 | 0 |
| 1992 | 6 | 0 |
| 1993 | 1 | 0 |
| 1994 | 3 | 0 |
| 1995 | 1 | 0 |
| 1996 | 2 | 0 |
| 1997 | 7 | 0 |
| 1998 | 2 | 0 |
| 1999 | 3 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 1 |
| 2003 | 1 | 1 |
| 2004 | 1 | 2 |
| 2005 | 0 | 2 |
| 2006 | 1 | 1 |
| 2007 | 2 | 4 |
| 2008 | 1 | 0 |
| 2009 | 1 | 0 |
| 2010 | 1 | 1 |
| 2011 | 0 | 1 |
| 2012 | 2 | 1 |
| 2013 | 0 | 2 |
| 2014 | 2 | 2 |
| 2015 | 1 | 0 |
| 2016 | 2 | 1 |
| 2017 | 0 | 2 |
| 2018 | 0 | 2 |
| 2019 | 3 | 3 |
| 2020 | 3 | 1 |
| 2021 | 2 | 1 |
| 2022 | 0 | 1 |
| 2023 | 2 | 3 |
| 2024 | 3 | 1 |
| 2025 | 2 | 3 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method and device for detecting an impairment of a lever sensor18 Aug 2026US 12,710,305 B2Bayerische Motoren Werke Aktiengesellschaft
- Overflow detection system for a grease trap29 Apr 2025US 12,287,232 B2Starbucks Corporation
- Water-level measuring device using gear ratio8 Apr 2025US 12,270,696 B2Kepco Engineering & Construction Company, Inc.
- Fluid level sensing systems, method, and apparatus24 Dec 2024US 12,174,054 B1
- Tank fill control apparatus and method30 Apr 2024US 11,971,289 B2Tara Oilfield Services LTD
- Level sensor19 Jun 2025US 2025/0198826 A1B/E Aerospace, Inc.
- Systems, methods, and apparatus for a tank inspection robot and tether management system10 Apr 2025US 2025/0116376 A1Square Robot, Inc.
- Method and Device for Detecting an Impairment of a Lever Sensor27 Feb 2025US 2025/0067591 A1Bayerische Motoren Werke Aktiengesellschaft
- Overflow detection system for a grease trap28 Nov 2024US 2024/0393158 A1Starbucks Corporation
- Water-level measuring device using gear ratio26 Oct 2023US 2023/0341253 A1Kepco Engineering & Construction Company, Inc.
Most cited
By later US patents
- Multi-function flow monitoring apparatus with area velocity sensor capability84US 5,633,809 AAmerican Sigma, Inc. · 1997
- Automatic fluid monitoring and sampling apparatus and method64US 5,299,141 AAmerican Sigma, Inc. · 1994
- Continuous production process for water-absorbent resin powder and powder surface detector used therefor47US 6,727,345 B2Nippon Shokubai Co., Ltd. · 2004
- Automatic fluid sampling and monitoring apparatus and method46US 5,172,332 AAmerican Sigma, Inc. · 1992
- Level detector for liquids and other flowable masses32US 3,969,941 AE. Rapp Electronik GmbH · 1976