G01F 23/243
Schematic arrangements of probes combined with measuring circuits
Official title: {Schematic arrangements of probes combined with measuring circuits}
G01F23/243 (Schematic arrangements of probes combined with measuring circuits) appears on 209 US grants and 146 published applications in this corpus.
Search patents in G01F- Granted patents
- 209
- Published applications
- 146
- Assignees
- 159
- Inventors
- 453
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 6 | 0 |
| 1977 | 4 | 0 |
| 1978 | 4 | 0 |
| 1979 | 2 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 4 | 0 |
| 1983 | 5 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 1 | 0 |
| 1988 | 3 | 0 |
| 1989 | 0 | 0 |
| 1990 | 2 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 6 | 0 |
| 1994 | 5 | 0 |
| 1995 | 4 | 0 |
| 1996 | 9 | 0 |
| 1997 | 2 | 0 |
| 1998 | 7 | 0 |
| 1999 | 6 | 0 |
| 2000 | 5 | 0 |
| 2001 | 3 | 2 |
| 2002 | 3 | 6 |
| 2003 | 10 | 8 |
| 2004 | 6 | 4 |
| 2005 | 6 | 14 |
| 2006 | 11 | 5 |
| 2007 | 4 | 11 |
| 2008 | 3 | 1 |
| 2009 | 7 | 5 |
| 2010 | 3 | 5 |
| 2011 | 2 | 7 |
| 2012 | 2 | 6 |
| 2013 | 4 | 3 |
| 2014 | 4 | 6 |
| 2015 | 6 | 6 |
| 2016 | 5 | 4 |
| 2017 | 3 | 5 |
| 2018 | 5 | 4 |
| 2019 | 4 | 4 |
| 2020 | 7 | 7 |
| 2021 | 2 | 5 |
| 2022 | 3 | 4 |
| 2023 | 2 | 5 |
| 2024 | 4 | 12 |
| 2025 | 6 | 5 |
| 2026 | 2 | 2 |
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
- 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
- Contacting unit for an impedance limit switch25 Nov 2025US 12,480,972 B2VEGA Grieshaber KG
- Potassium nitrate level detection sensing module in strengthening furnace8 Jul 2025US 12,352,611 B2Dowooinsys Co., Ltd.
- Fluid level monitoring system for dishwashing machines6 Aug 2026US 2026/0227221 A1Ecolab USA Inc.
- Ultrasensitive Liquid Level Sensor26 Feb 2026US 2026/0056047 A1Sonics & Materials, Inc.
- Measuring lance for the measurement of a position and a thickness of a slag layer on top of a molten metal25 Dec 2025US 2025/0387828 A1Vesuvius Group S. A.
- Sensor for locating position of interface, and level gauge25 Sep 2025US 2025/0297881 A1Japan Aviation Electronics Industry, Limited
- Sensor for locating interface position, and liquid level gauge26 Jun 2025US 2025/0207967 A1Japan Aviation Electronics Industry, Limited
Most cited
By later US patents
- Wireless system for detecting and stopping water leaks209US 5,655,561 A1997
- Method and apparatus for sensing liquid level using baseline characteristic105US 7,360,418 B2Keurig, Incorporated · 2008
- Device for electrically detecting a liquid level94US 4,319,233 AKokusan Denki Co., Ltd. · 1982
- Liquid level sensor for ink jet printers89US 5,583,544 AVideojet Systems International, Inc. · 1996
- Apparatus and methods for monitoring water consumption and filter usage88US 7,107,838 B2Fook Tin Technologies Ltd. · 2006