G01F 23/0046
Indicating or measuring liquid level or level of fluent solid material: with
Official title: {with a stationary probe, where a liquid specimen is separated from the mean mass and measured (by gauge glasses G01F23/02)}
G01F23/0046 (Indicating or measuring liquid level or level of fluent solid material: with) appears on 89 US grants and 76 published applications in this corpus.
Search patents in G01F- Granted patents
- 89
- Published applications
- 76
- Assignees
- 65
- Inventors
- 203
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 4 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 1 | 0 |
| 1993 | 2 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 1 |
| 2002 | 0 | 2 |
| 2003 | 4 | 1 |
| 2004 | 0 | 0 |
| 2005 | 0 | 2 |
| 2006 | 0 | 2 |
| 2007 | 0 | 2 |
| 2008 | 2 | 2 |
| 2009 | 1 | 2 |
| 2010 | 1 | 1 |
| 2011 | 2 | 1 |
| 2012 | 0 | 1 |
| 2013 | 2 | 2 |
| 2014 | 1 | 1 |
| 2015 | 2 | 6 |
| 2016 | 3 | 4 |
| 2017 | 9 | 9 |
| 2018 | 5 | 5 |
| 2019 | 8 | 5 |
| 2020 | 4 | 9 |
| 2021 | 6 | 4 |
| 2022 | 5 | 6 |
| 2023 | 5 | 2 |
| 2024 | 3 | 3 |
| 2025 | 2 | 2 |
| 2026 | 2 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sensor interface technology2 Jun 2026US 12,644,752 B2Independent Technologies, Inc.
- Sensor, sensor housing, and attachment for monitoring bin product level26 May 2026US 12,635,605 B2Bin Slide, LLC
- Liquid supply system and liquid preparation method21 Oct 2025US 12,448,271 B2Taiwan Semiconductor Manufacturing Company.Ltd
- Device for measuring a liquid level of a medium at a high temperature, container, refrigerating machine or refrigeration cycle having such a device25 Mar 2025US 12,259,166 B2Armaturenwerk Altenburg GmbH
- Device for indicating a fluid level30 Jul 2024US 12,050,121 B2Hydac Accessories GmbH
- Sensor, sensor housing, and attachment for monitoring bin product level2 Jul 2026US 2026/0182498 A1Bin Slide, LLC
- Liquid level detector18 Dec 2025US 2025/0383223 A1
- System for monitoring the liquid level in a mixture of a gas and a liquid comprising two intermiscible components having different densities and method thereof2 Jan 2025US 2025/0002327 A1Yara International Asa
- System and process for low flow water monitoring in agriculture26 Sep 2024US 2024/0315215 A1Board of Trustees of the University of Arkansas
- Sensor, sensor housing, and attachment for monitoring bin product level25 Jul 2024US 2024/0245000 A1Bin Slide, LLC
Most cited
By later US patents
- Locomotive lubrication level monitor29US 4,949,070 A1990
- Quantity gauging20US 6,598,473 B2Smiths Group PLC · 2003
- Fluid level sensing method and apparatus17US 4,881,487 AMicron Technology, Inc. · 1989
- Liquid sensing apparatus for a liquid container for supplying a liquid to a liquid consuming apparatus, and a liquid container in which the liquid sensing apparatus is built16US 7,424,824 B2Seiko Epson Corporation · 2008
- Monitoring liquid level infed tank and flow rate of liquid therefrom to point of use15US 4,856,343 AMobil Oil Corporation · 1989