G01F 23/161
For discrete levels
Official title: {for discrete levels (G01F23/162 - G01F23/165 take precedence)}
G01F23/161 (For discrete levels) appears on 53 US grants and 24 published applications in this corpus.
Search patents in G01F- Granted patents
- 53
- Published applications
- 24
- Assignees
- 45
- Inventors
- 109
- Latest grant
- 2 Jun 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 4 | 0 |
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 3 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 1 | 0 |
| 1986 | 1 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 1 | 0 |
| 1991 | 0 | 0 |
| 1992 | 2 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 1 | 0 |
| 1996 | 0 | 0 |
| 1997 | 1 | 0 |
| 1998 | 1 | 0 |
| 1999 | 0 | 0 |
| 2000 | 3 | 0 |
| 2001 | 0 | 0 |
| 2002 | 3 | 3 |
| 2003 | 4 | 0 |
| 2004 | 1 | 0 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 1 | 0 |
| 2009 | 0 | 1 |
| 2010 | 0 | 2 |
| 2011 | 0 | 0 |
| 2012 | 1 | 1 |
| 2013 | 0 | 1 |
| 2014 | 0 | 1 |
| 2015 | 0 | 1 |
| 2016 | 5 | 0 |
| 2017 | 1 | 1 |
| 2018 | 1 | 2 |
| 2019 | 1 | 1 |
| 2020 | 1 | 2 |
| 2021 | 1 | 3 |
| 2022 | 1 | 1 |
| 2023 | 1 | 2 |
| 2024 | 1 | 0 |
| 2025 | 1 | 2 |
| 2026 | 1 | 0 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Method of operating a laboratory instrument2 Jun 2026US 12,644,900 B2Roche Molecular Systems, Inc.
- Level sensor7 Oct 2025US 12,436,017 B2Goodrich Corporation
- Tank sensors24 Dec 2024US 12,174,053 B1Mopeka Products LLC
- Chemical treatment tank level sensor26 Sep 2023US 11,767,722 B2Detechtion USA Inc.
- Pressure sensor including increased processing precision28 Jun 2022US 11,371,898 B2Illinois Tool Works Inc.
- Container with force sensor, substance measuring system with force sensor and substance providing system with force sensor9 Oct 2025US 2025/0314515 A1Pixart Imaging Inc.
- Metal storage device, metal injection system including the same, and substrate processing method using the same12 Jun 2025US 2025/0189355 A1Samsung Electronics Co., Ltd.
- Level sensor7 Dec 2023US 2023/0392969 A1Goodrich Corporation
- Level sensor14 Sep 2023US 2023/0288243 A1Goodrich Corporation
- Method of Operating a Laboratory Instrument25 Aug 2022US 2022/0268796 A1Roche Molecular Systems, Inc.
Most cited
By later US patents
- Fluid level sensing and control system61US 6,595,051 B1Chandler Systems, Inc. · 2003
- Sensor plug38US 6,425,293 B1Textron Systems Corporation · 2002
- Liquid level control system34US 4,211,249 AFluid Device Corporation · 1980
- Jet level sensor for fuel tanks32US 5,285,812 AHR Textron, Inc. · 1994
- Point-of-use fluid regulating system for use in the chemical-mechanical planarization of semiconductor wafers28US 6,431,950 B1Micron Technology, Inc. · 2002