G01F 25/24
Testing proper functioning of electronic circuits
Official title: {Testing proper functioning of electronic circuits}
G01F25/24 (Testing proper functioning of electronic circuits) appears on 118 US grants and 116 published applications in this corpus.
Search patents in G01F- Granted patents
- 118
- Published applications
- 116
- Assignees
- 82
- Inventors
- 296
- Latest grant
- 10 Mar 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 1 | 0 |
| 1988 | 1 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 3 | 0 |
| 1996 | 1 | 0 |
| 1997 | 3 | 0 |
| 1998 | 1 | 0 |
| 1999 | 2 | 0 |
| 2000 | 2 | 0 |
| 2001 | 2 | 0 |
| 2002 | 0 | 2 |
| 2003 | 5 | 2 |
| 2004 | 0 | 2 |
| 2005 | 2 | 3 |
| 2006 | 2 | 3 |
| 2007 | 2 | 2 |
| 2008 | 2 | 2 |
| 2009 | 0 | 4 |
| 2010 | 1 | 3 |
| 2011 | 4 | 3 |
| 2012 | 2 | 5 |
| 2013 | 3 | 3 |
| 2014 | 4 | 5 |
| 2015 | 6 | 6 |
| 2016 | 3 | 7 |
| 2017 | 8 | 3 |
| 2018 | 2 | 7 |
| 2019 | 6 | 10 |
| 2020 | 7 | 8 |
| 2021 | 9 | 5 |
| 2022 | 6 | 4 |
| 2023 | 4 | 12 |
| 2024 | 8 | 5 |
| 2025 | 7 | 5 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Fill-level measurement device10 Mar 2026US 12,571,667 B2Endress + Hauser GmbH + Co. KG
- Retrofitting module for a field device and field device with a modular design13 Jan 2026US 12,526,934 B2VEGA Grieshaber KG
- Method for calibrating a filling system and filling system23 Dec 2025US 12,503,355 B2
- Operating a domestic steam-treatment appliance, and domestic steam-treatment appliance23 Dec 2025US 12,504,164 B2BSH Hausgeräte GmbH
- Optical level control system16 Dec 2025US 12,496,386 B2LivaNova Deutschland GmbH
- Radiometric detector24 Sep 2026US 2026/0287413 A1Endress + Hauser GmbH + Co. KG
- Apparatus for in situ level and flow measurement17 Sep 2026US 2026/0276429 A1Pulsar Process Measurement Limited
- Device and method for measuring fluid flow and pressure under hyper-gravity environment21 May 2026US 2026/0139978 A1Zhejiang University
- Apparatus and system for tank level sensing21 May 2026US 2026/0139989 A1SCAD Technologies LLC
- Field device having a security module, retrofitting module for a field device, method for setting an IT security level and a computer program code5 Mar 2026US 2026/0064104 A1VEGA Grieshaber KG
Most cited
By later US patents
- Controller for ultrasonic sensors181US 5,437,178 AKay-Ray/Sensall, Inc. · 1995
- Dielectric liquid level sensor and method87US 4,806,847 ACaterpillar Inc. · 1989
- Measuring instrument39US 7,255,006 B2Endress + Hauser GmbH + Co. KG · 2007
- Liquid level sensor using float and magnetic means38US 5,294,917 A1994
- Optical liquid level sensor including built-in test circuitry33US 5,880,480 ASimmonds Precision Products, Inc. · 1999