G01F 23/241
For discrete levels
Official title: {for discrete levels}
G01F23/241 (For discrete levels) appears on 533 US grants and 383 published applications in this corpus.
Search patents in G01F- Granted patents
- 533
- Published applications
- 383
- Assignees
- 379
- Inventors
- 1,124
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 15 | 0 |
| 1977 | 13 | 0 |
| 1978 | 7 | 0 |
| 1979 | 9 | 0 |
| 1980 | 15 | 0 |
| 1981 | 9 | 0 |
| 1982 | 5 | 0 |
| 1983 | 8 | 0 |
| 1984 | 6 | 0 |
| 1985 | 6 | 0 |
| 1986 | 4 | 0 |
| 1987 | 5 | 0 |
| 1988 | 10 | 0 |
| 1989 | 7 | 0 |
| 1990 | 8 | 0 |
| 1991 | 11 | 0 |
| 1992 | 12 | 0 |
| 1993 | 10 | 0 |
| 1994 | 8 | 0 |
| 1995 | 7 | 0 |
| 1996 | 12 | 0 |
| 1997 | 8 | 0 |
| 1998 | 12 | 0 |
| 1999 | 8 | 0 |
| 2000 | 7 | 0 |
| 2001 | 6 | 2 |
| 2002 | 5 | 9 |
| 2003 | 14 | 11 |
| 2004 | 12 | 9 |
| 2005 | 8 | 20 |
| 2006 | 16 | 16 |
| 2007 | 12 | 19 |
| 2008 | 8 | 10 |
| 2009 | 9 | 10 |
| 2010 | 7 | 15 |
| 2011 | 10 | 16 |
| 2012 | 7 | 13 |
| 2013 | 12 | 15 |
| 2014 | 11 | 22 |
| 2015 | 14 | 15 |
| 2016 | 19 | 17 |
| 2017 | 17 | 11 |
| 2018 | 16 | 19 |
| 2019 | 15 | 16 |
| 2020 | 23 | 24 |
| 2021 | 11 | 15 |
| 2022 | 10 | 14 |
| 2023 | 16 | 20 |
| 2024 | 16 | 21 |
| 2025 | 13 | 17 |
| 2026 | 4 | 7 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Dual-use level and temperature probe6 Oct 2026US 12,754,081 B2Goodrich Corporation
- Fill level gauge15 Sep 2026US 12,736,385 B2Endress + Hauser GmbH + Co. KG
- Biosensor9 Jun 2026US 12,650,400 B2Leadway (Hk) Limited
- Method for detecting the presence of a liquid27 Jan 2026US 12,535,352 B2STMicroelectronics S,r.l.
- Operating a domestic steam-treatment appliance, and domestic steam-treatment appliance23 Dec 2025US 12,504,164 B2BSH Hausgeräte GmbH
- Inkjet recording apparatus8 Oct 2026US 2026/0307392 A1KYOCERA Document Solutions Inc.
- Fluid level monitoring system for dishwashing machines6 Aug 2026US 2026/0227221 A1Ecolab USA Inc.
- Detection apparatus, battery, and electric apparatus25 Jun 2026US 2026/0180056 A1Contemporary Amperex Technology Co., Limited
- Thermal management module11 Jun 2026US 2026/0163115 A1Hanon Systems Efp Deutschland GmbH
- Aerosol generating device5 Mar 2026US 2026/0060326 A1Kt&G Corporation
Most cited
By later US patents
- Wireless system for detecting and stopping water leaks209US 5,655,561 A1997
- Product dispensing controlled by RFID tags167US 7,009,519 B2S. C. Johnson & Sons, Inc. · 2006
- Method and apparatus for sensing liquid level using baseline characteristic105US 7,360,418 B2Keurig, Incorporated · 2008
- Recording apparatus97US 5,132,711 ACanon Kabushiki Kaisha · 1992
- Device for electrically detecting a liquid level94US 4,319,233 AKokusan Denki Co., Ltd. · 1982