G01F 23/265
For discrete levels
Official title: {for discrete levels}
G01F23/265 (For discrete levels) appears on 326 US grants and 349 published applications in this corpus.
Search patents in G01F- Granted patents
- 326
- Published applications
- 349
- Assignees
- 264
- Inventors
- 836
- Latest grant
- 15 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 7 | 0 |
| 1977 | 2 | 0 |
| 1978 | 1 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 2 | 0 |
| 1989 | 3 | 0 |
| 1990 | 1 | 0 |
| 1991 | 4 | 0 |
| 1992 | 5 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 7 | 0 |
| 1996 | 3 | 0 |
| 1997 | 3 | 0 |
| 1998 | 5 | 0 |
| 1999 | 5 | 0 |
| 2000 | 6 | 0 |
| 2001 | 4 | 1 |
| 2002 | 5 | 5 |
| 2003 | 3 | 3 |
| 2004 | 7 | 3 |
| 2005 | 6 | 13 |
| 2006 | 8 | 8 |
| 2007 | 4 | 2 |
| 2008 | 3 | 9 |
| 2009 | 4 | 15 |
| 2010 | 6 | 13 |
| 2011 | 8 | 9 |
| 2012 | 7 | 8 |
| 2013 | 7 | 12 |
| 2014 | 7 | 10 |
| 2015 | 10 | 11 |
| 2016 | 12 | 23 |
| 2017 | 15 | 15 |
| 2018 | 16 | 18 |
| 2019 | 20 | 32 |
| 2020 | 10 | 18 |
| 2021 | 30 | 35 |
| 2022 | 17 | 21 |
| 2023 | 15 | 14 |
| 2024 | 13 | 14 |
| 2025 | 10 | 25 |
| 2026 | 11 | 12 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Measuring water level in highly deviated or horizontal hydrocarbon well sections15 Sep 2026US 12,735,978 B2Openfield
- Automated sample handling instrumentation, systems, processes, and methods4 Aug 2026US 12,699,111 B2Gen-Probe Incorporated
- Sewer cap monitoring system21 Jul 2026US 12,687,417 B1QuadSprout Technologies LLC
- Capacitive sensor for measuring the level of a substance in a tank16 Jun 2026US 12,656,164 B2Cebi Electromechanical Components Spain, S.A.
- Biosensor9 Jun 2026US 12,650,400 B2Leadway (Hk) Limited
- Sewer cap monitoring system17 Sep 2026US 2026/0276427 A1QuadSprout Technologies LLC
- Sewer cap monitoring system23 Jul 2026US 2026/0210748 A1QuadSprout Technologies LLC
- Wireless drink container for monitoring hydration9 Jul 2026US 2026/0191348 A1HidrateSmart LLC
- Detection apparatus, battery, and electric apparatus25 Jun 2026US 2026/0180056 A1Contemporary Amperex Technology Co., Limited
- Capacitive liquid sensor and method for installing capacitive liquid sensor30 Apr 2026US 2026/0118152 A1Ubukata Industries Co., Ltd.
Most cited
By later US patents
- Capacitive sensor168US 5,465,619 AXerox Corporation · 1995
- Liquid level control with capacitive sensors89US 5,238,369 ATecumseh Products Company · 1993
- Capacitive liquid level sensor84US 5,017,909 AStandex International Corporation · 1991
- Material level indicator79US 5,142,909 A1992
- Liquid level sensor utilizing AC and resistance77US 5,719,556 A1998