G01F 23/2885
For discrete levels
Official title: {for discrete levels}
G01F23/2885 (For discrete levels) appears on 42 US grants and 38 published applications in this corpus.
Search patents in G01F- Granted patents
- 42
- Published applications
- 38
- Assignees
- 31
- Inventors
- 98
- Latest grant
- 11 Nov 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 1 | 0 |
| 1978 | 0 | 0 |
| 1979 | 1 | 0 |
| 1980 | 1 | 0 |
| 1981 | 0 | 0 |
| 1982 | 0 | 0 |
| 1983 | 2 | 0 |
| 1984 | 0 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 1 | 0 |
| 1989 | 1 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 0 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 0 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 0 | 1 |
| 2002 | 0 | 0 |
| 2003 | 1 | 0 |
| 2004 | 0 | 3 |
| 2005 | 1 | 0 |
| 2006 | 1 | 2 |
| 2007 | 1 | 0 |
| 2008 | 0 | 1 |
| 2009 | 0 | 0 |
| 2010 | 1 | 2 |
| 2011 | 1 | 2 |
| 2012 | 1 | 2 |
| 2013 | 0 | 2 |
| 2014 | 2 | 5 |
| 2015 | 2 | 5 |
| 2016 | 3 | 5 |
| 2017 | 3 | 0 |
| 2018 | 4 | 4 |
| 2019 | 4 | 1 |
| 2020 | 2 | 0 |
| 2021 | 0 | 1 |
| 2022 | 0 | 0 |
| 2023 | 2 | 0 |
| 2024 | 0 | 1 |
| 2025 | 1 | 0 |
| 2026 | 0 | 1 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Non-contact inspection for finding leaks in liquid paperboard cartons11 Nov 2025US 12,467,819 B1Teledyne Instruments, Inc.
- Multi-density array controller22 Aug 2023US 11,733,138 B1Vega Americas, Inc.
- Radiometric density measurement24 Jan 2023US 11,561,159 B2VEGA Grieshaber KG
- Method for detecting a level of a melt, method for detecting a thickness of a casting powder, detector and detector system8 Sep 2020US 10,768,036 B2BERTHOLD TECHNOLOGIES GmbH & Co.KG
- Method for radiometric limit level monitoring14 Jan 2020US 10,533,889 B2Endress+Hauser SE+Co.KG
- Radiometric detector24 Sep 2026US 2026/0287764 A1Endress + Hauser GmbH + Co. KG
- Method for noise diagnosis, method for signal control, diagnosis device and radiomatic level measuring device18 Jul 2024US 2024/0240982 A1VEGA Grieshaber KG
- Radiometric density measurement26 Aug 2021US 2021/0262910 A1VEGA Grieshaber KG
- Method for Detecting a Level of a Melt, Method for Detecting a Thickness of a Casting Powder, Detector and Detector System24 Oct 2019US 2019/0323877 A1BERTHOLD TECHNOLOGIES GmbH & Co.KG
- Detection of contents of a sand separator using radiation22 Nov 2018US 2018/0333657 A1Sable Sand Solutions Inc.
Most cited
By later US patents
- Container fill level and pressurization inspection using multi-dimensional images37US 5,864,600 AThermedics Detection Inc. · 1999
- Instrumented packer29US 7,040,402 B2Schlumberger Technology Corporation · 2006
- Container level height detector23US 4,182,451 ASpecialty Brands, Inc. · 1980
- Container fill level and pressurization inspection using multi-dimensional images20US 5,602,890 AThermedics Detection Inc. · 1997
- Density profiler for measuring density profile of a medium and method and apparatus using same20US 6,633,625 B2Johnson Matthey PLC · 2003