G01F 23/261
For discrete levels
Official title: {for discrete levels}
G01F23/261 (For discrete levels) appears on 77 US grants and 97 published applications in this corpus.
Search patents in G01F- Granted patents
- 77
- Published applications
- 97
- Assignees
- 84
- Inventors
- 260
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 1 | 0 |
| 1990 | 1 | 0 |
| 1991 | 1 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 0 | 0 |
| 1995 | 0 | 0 |
| 1996 | 2 | 0 |
| 1997 | 0 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 1 |
| 2004 | 1 | 1 |
| 2005 | 1 | 4 |
| 2006 | 2 | 2 |
| 2007 | 2 | 3 |
| 2008 | 2 | 5 |
| 2009 | 0 | 1 |
| 2010 | 2 | 2 |
| 2011 | 1 | 1 |
| 2012 | 1 | 7 |
| 2013 | 0 | 3 |
| 2014 | 2 | 5 |
| 2015 | 6 | 3 |
| 2016 | 3 | 4 |
| 2017 | 1 | 4 |
| 2018 | 2 | 3 |
| 2019 | 8 | 12 |
| 2020 | 4 | 5 |
| 2021 | 7 | 6 |
| 2022 | 4 | 5 |
| 2023 | 1 | 5 |
| 2024 | 3 | 2 |
| 2025 | 6 | 11 |
| 2026 | 1 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Ostomy monitoring system and method2 Jun 2026US 12,642,686 B2Convatec Technologies Inc.
- Quantum sensor25 Nov 2025US 12,480,876 B2Endress + Hauser GmbH + Co. KG
- Contacting unit for an impedance limit switch25 Nov 2025US 12,480,972 B2VEGA Grieshaber KG
- Sump pump system and method21 Oct 2025US 12,448,975 B2Pentair, Inc.
- Interface detection device and system for dispersed multi-phase fluids10 Jun 2025US 12,325,032 B2Commonwealth Scientific and Industrial Research Organisation
- Sump pump system and method12 Feb 2026US 2026/0043408 A1Pentair, Inc.
- Liquid level detector18 Dec 2025US 2025/0383223 A1
- Liquid level measurement system27 Nov 2025US 2025/0362164 A1Bemis Manufacturing Company
- Non-contact type water level detection and management method and electronic equipment thereof27 Nov 2025US 2025/0362165 A1Shenzhen Beibanqiu Network Technology Co., Ltd.
- Corrosion monitor27 Nov 2025US 2025/0362220 A1Mopeka Products LLC
Most cited
By later US patents
- Ostomy monitoring system and method83US 10,874,541 B211 Health and Technologies Limited · 2020
- Ostomy monitoring system and method82US 11,406,525 B211 Health and Technologies Limited · 2022
- Ostomy monitoring system and method81US 11,135,084 B211 Health and Technologies Limited · 2021
- Proximity sensor for level sensing78US 7,017,409 B2Touchsensor Technologies, LLC · 2006
- Ostomy monitoring system and method49US 11,491,042 B211 Health and Technologies Limited · 2022