G01F 23/185
For discrete levels
Official title: {for discrete levels}
G01F23/185 (For discrete levels) appears on 72 US grants and 65 published applications in this corpus.
Search patents in G01F- Granted patents
- 72
- Published applications
- 65
- Assignees
- 69
- Inventors
- 159
- Latest grant
- 28 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 0 | 0 |
| 1980 | 4 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 2 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 0 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 2 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 0 | 1 |
| 2007 | 1 | 1 |
| 2008 | 0 | 0 |
| 2009 | 1 | 2 |
| 2010 | 0 | 5 |
| 2011 | 0 | 3 |
| 2012 | 4 | 1 |
| 2013 | 3 | 1 |
| 2014 | 1 | 2 |
| 2015 | 1 | 7 |
| 2016 | 4 | 3 |
| 2017 | 3 | 2 |
| 2018 | 3 | 5 |
| 2019 | 2 | 2 |
| 2020 | 3 | 3 |
| 2021 | 3 | 5 |
| 2022 | 3 | 2 |
| 2023 | 3 | 7 |
| 2024 | 5 | 6 |
| 2025 | 3 | 1 |
| 2026 | 3 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Sensor for determining a liquid level for an aircraft tank, assembly of a tank and a sensor, method of using such a sensor28 Jul 2026US 12,693,148 B2Safran Helicopter Engines
- Liquid level detectors17 Feb 2026US 12,553,762 B2Fresenius Medical Care Holdings, Inc.
- Compressed fluid vessel monitoring apparatus and method20 Jan 2026US 12,529,621 B2Air Products and Chemicals, Inc.
- Apparatus, system, and method of providing a content level monitor12 Aug 2025US 12,385,771 B2Nypro Inc.
- Submersible autonomous fill-level measurement system29 Jul 2025US 12,372,393 B2VEGA Grieshaber KG
- Sterile filling of containers30 Jul 2026US 2026/0217396 A1
- Barometric level gauge, liquid storage device, and plant protection equipment2 Apr 2026US 2026/0092799 A1Guangzhou Xaircraft Technology Co., Ltd.
- Method for Monitoring a Compressed Fluid Vessel19 Mar 2026US 2026/0079072 A1Air Products and Chemicals, Inc.
- Apparatus, system, and method of providing a content level monitor8 Jan 2026US 2026/0009668 A1Nypro Inc.
- Systems and methods of monitoring a waterline level of a swimming pool or spa23 Jan 2025US 2025/0027329 A1Zodiac Pool Care Europe
Most cited
By later US patents
- Fluid level sensing and control system61US 6,595,051 B1Chandler Systems, Inc. · 2003
- Sensor plug38US 6,425,293 B1Textron Systems Corporation · 2002
- Pneumatic indicator for detecting liquid level35US 8,756,991 B2Graco Minnesota Inc. · 2014
- Bottled water cooler having vent on demand delivery system24US 5,042,689 AScotsman Group, Inc. · 1991
- Septic tank alarm system24US 6,217,752 B12001