G01M 3/3245
Using a level monitoring device
Official title: {using a level monitoring device (G01M3/3272 takes precedence)}
G01M3/3245 (Using a level monitoring device) appears on 188 US grants and 108 published applications in this corpus.
Search patents in G01M- Granted patents
- 188
- Published applications
- 108
- Assignees
- 114
- Inventors
- 331
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 2 | 0 |
| 1982 | 2 | 0 |
| 1983 | 5 | 0 |
| 1984 | 3 | 0 |
| 1985 | 2 | 0 |
| 1986 | 6 | 0 |
| 1987 | 4 | 0 |
| 1988 | 7 | 0 |
| 1989 | 15 | 0 |
| 1990 | 9 | 0 |
| 1991 | 13 | 0 |
| 1992 | 12 | 0 |
| 1993 | 4 | 0 |
| 1994 | 6 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 4 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 1 | 0 |
| 2002 | 0 | 1 |
| 2003 | 2 | 1 |
| 2004 | 0 | 2 |
| 2005 | 1 | 0 |
| 2006 | 2 | 2 |
| 2007 | 0 | 6 |
| 2008 | 1 | 1 |
| 2009 | 5 | 2 |
| 2010 | 2 | 3 |
| 2011 | 0 | 1 |
| 2012 | 2 | 0 |
| 2013 | 1 | 7 |
| 2014 | 4 | 4 |
| 2015 | 4 | 4 |
| 2016 | 3 | 3 |
| 2017 | 2 | 6 |
| 2018 | 4 | 6 |
| 2019 | 5 | 6 |
| 2020 | 7 | 6 |
| 2021 | 4 | 5 |
| 2022 | 6 | 23 |
| 2023 | 8 | 1 |
| 2024 | 11 | 5 |
| 2025 | 4 | 7 |
| 2026 | 3 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Leak detection method14 Jul 2026US 12,680,901 B2HanJungNCS. Co., Ltd.
- Leak detection device16 Jun 2026US 12,656,208 B2HanJungNCS. Co., Ltd.
- Method of operating a laboratory instrument2 Jun 2026US 12,644,900 B2Roche Molecular Systems, Inc.
- Automatic liquid tank jacket testing apparatus25 Nov 2025US 12,480,835 B2Unison Engineering Services Limited
- Devices, systems and methods for detecting leaks and measuring usage9 Sep 2025US 12,410,890 B2IOT Technologies LLC
- Leakage detection sensing for liquid-cooled servers9 Apr 2026US 2026/0098781 A1Super Micro Computer, Inc.
- Method for detecting a measurement object using a sensor with self-monitoring of the measuring position, and sensor, in particular adapted for carrying out such a method26 Mar 2026US 2026/0085964 A1Rechner Industrie-Elektronik GmbH
- Coolant leak detection apparatus and method of detecting coolant leak using the same5 Mar 2026US 2026/0063499 A1Samsung SDI.Co., Ltd.
- Method and Apparatus for Detecting a Defect of a Housing of a Controller5 Mar 2026US 2026/0063500 A1Robert Bosch GmbH
- Leak monitoring for high voltage cable terminations12 Feb 2026US 2026/0045384 A1Nexans
Most cited
By later US patents
- Volumetric leak detection system for underground storage tanks and the like113US 4,852,054 ANDE Technology, Inc. · 1989
- Methods for detection of leaks in pressurized pipeline systems95US 5,078,006 AVista Research, Inc. · 1992
- Method and apparatus for detecting severity of water leaks86US 7,561,057 B22009
- Tank leakage detection method75US 4,462,249 A1984
- Ultrasonic liquid level monitoring system75US 4,984,449 ACaldwell System Corp. · 1991