G01F 23/266
Measuring circuits therefor
Official title: {measuring circuits therefor}
G01F23/266 (Measuring circuits therefor) appears on 575 US grants and 479 published applications in this corpus.
Search patents in G01F- Granted patents
- 575
- Published applications
- 479
- Assignees
- 392
- Inventors
- 1,162
- Latest grant
- 19 May 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 2 | 0 |
| 1978 | 4 | 0 |
| 1979 | 4 | 0 |
| 1980 | 3 | 0 |
| 1981 | 3 | 0 |
| 1982 | 2 | 0 |
| 1983 | 7 | 0 |
| 1984 | 4 | 0 |
| 1985 | 10 | 0 |
| 1986 | 4 | 0 |
| 1987 | 4 | 0 |
| 1988 | 3 | 0 |
| 1989 | 14 | 0 |
| 1990 | 9 | 0 |
| 1991 | 19 | 0 |
| 1992 | 11 | 0 |
| 1993 | 11 | 0 |
| 1994 | 3 | 0 |
| 1995 | 7 | 0 |
| 1996 | 11 | 0 |
| 1997 | 14 | 0 |
| 1998 | 14 | 0 |
| 1999 | 7 | 0 |
| 2000 | 12 | 0 |
| 2001 | 19 | 2 |
| 2002 | 16 | 7 |
| 2003 | 12 | 6 |
| 2004 | 10 | 10 |
| 2005 | 7 | 20 |
| 2006 | 16 | 13 |
| 2007 | 7 | 17 |
| 2008 | 14 | 17 |
| 2009 | 8 | 20 |
| 2010 | 13 | 16 |
| 2011 | 8 | 21 |
| 2012 | 14 | 11 |
| 2013 | 15 | 28 |
| 2014 | 13 | 9 |
| 2015 | 14 | 13 |
| 2016 | 20 | 19 |
| 2017 | 15 | 24 |
| 2018 | 18 | 25 |
| 2019 | 24 | 24 |
| 2020 | 15 | 35 |
| 2021 | 27 | 33 |
| 2022 | 24 | 31 |
| 2023 | 19 | 18 |
| 2024 | 20 | 14 |
| 2025 | 20 | 29 |
| 2026 | 5 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Buffer management for bioprocessing system19 May 2026US 12,629,672 B2Cytiva USA LLC
- Method and system for wireless vehicle tank monitoring21 Apr 2026US 12,607,496 B2
- Liquid storage assembly, electronic vaporization apparatus, and remaining volume detection method24 Mar 2026US 12,582,172 B2Shenzhen Smoore Technology Limited
- Level measuring device3 Feb 2026US 12,540,842 B2WIKA Alexander Wiegand SE & Co. KG
- Capacitive level sensor, sensitive element of the capacitive level sensor, electrode housing for the capacitive level sensor13 Jan 2026US 12,523,514 B2
- Capacitive detection device and methods24 Sep 2026US 2026/0287410 A1Beckman Coulter, Inc.
- Buffer management for bioprocessing system10 Sep 2026US 2026/0264072 A1Cytiva US LLC
- Single electrode capacitance sensor for measurement of liquid level, liquid volume, permittivity, and liquid flow23 Jul 2026US 2026/0210895 A1University of Washington
- Liquid storage assembly, electronic vaporization apparatus, and remaining volume detection method9 Jul 2026US 2026/0191275 A1Shenzhen Smoore Technology Limited
- Capacitive sensor assembly for a field device, and field device18 Jun 2026US 2026/0168827 A1Endress + Hauser Flowtec AG
Most cited
By later US patents
- Method and device for determining the quantity of product present in a reservoir, a product reservoir and a device for processing electrical signals intended for such a determination device204US 6,345,532 B1Canon Kabushiki Kaisha · 2002
- Capacitive sensor168US 5,465,619 AXerox Corporation · 1995
- Liquid transfer device for an analysis unit164US 5,304,347 ABoehringer Mannheim GmbH · 1994
- Compensated capacitive liquid level sensor129US 6,490,920 B1Millennium Sensors Ltd. · 2002
- Capacitive sensing system and wash/alignment station for a chemical analyzer107US 5,270,210 ASchiapparelli Biosystems, Inc. · 1993