G01D 5/24
By varying capacitance
Official title: by varying capacitance
G01D5/24 (By varying capacitance) appears on 1,904 US grants and 1,804 published applications in this corpus.
Search patents in G01D- Granted patents
- 1,904
- Published applications
- 1,804
- Assignees
- 1,027
- Inventors
- 3,804
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 6 | 0 |
| 1978 | 8 | 0 |
| 1979 | 6 | 0 |
| 1980 | 9 | 0 |
| 1981 | 17 | 0 |
| 1982 | 10 | 0 |
| 1983 | 20 | 0 |
| 1984 | 16 | 0 |
| 1985 | 8 | 0 |
| 1986 | 13 | 0 |
| 1987 | 12 | 0 |
| 1988 | 18 | 0 |
| 1989 | 20 | 0 |
| 1990 | 17 | 0 |
| 1991 | 24 | 0 |
| 1992 | 9 | 0 |
| 1993 | 14 | 0 |
| 1994 | 18 | 0 |
| 1995 | 21 | 0 |
| 1996 | 20 | 0 |
| 1997 | 18 | 0 |
| 1998 | 16 | 0 |
| 1999 | 21 | 0 |
| 2000 | 11 | 0 |
| 2001 | 16 | 11 |
| 2002 | 37 | 18 |
| 2003 | 26 | 23 |
| 2004 | 22 | 35 |
| 2005 | 23 | 41 |
| 2006 | 44 | 40 |
| 2007 | 39 | 34 |
| 2008 | 23 | 39 |
| 2009 | 19 | 55 |
| 2010 | 42 | 54 |
| 2011 | 31 | 51 |
| 2012 | 43 | 50 |
| 2013 | 34 | 68 |
| 2014 | 56 | 71 |
| 2015 | 62 | 89 |
| 2016 | 90 | 93 |
| 2017 | 80 | 115 |
| 2018 | 89 | 109 |
| 2019 | 112 | 118 |
| 2020 | 99 | 105 |
| 2021 | 101 | 131 |
| 2022 | 103 | 106 |
| 2023 | 104 | 100 |
| 2024 | 104 | 98 |
| 2025 | 85 | 85 |
| 2026 | 67 | 65 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- In-situ capacitance detection for integrated circuits and MEMS sensors6 Oct 2026US 12,754,043 B2Apple Inc.
- Circuit for operating a capacitive sensor and sensor apparatus6 Oct 2026US 12,754,221 B2Robert Bosch GmbH
- Foundation systems29 Sep 2026US 12,747,586 B2GroundFORCE IP, LLC
- Displacement detection device29 Sep 2026US 12,747,966 B2Fanuc Corporation
- Alarm event imaging by a security / automation system control panel29 Sep 2026US 12,749,383 B2Tyco Fire & Security GmbH
- Heating system for heating the passenger compartment of a vehicle, in particular of a motor vehicle8 Oct 2026US 2026/0307462 A1I.R.C.A. S.P.A. Industria Resistenze Corazzate E Affini
- Sensing and heating arrangement for capacitive detection of an object8 Oct 2026US 2026/0309517 A1Iee International Electronics & Engineering S.A.
- Extension wires and connection wires for position detection device and sensor panel8 Oct 2026US 2026/0310316 A1Wacom Co., Ltd.
- Home appliance8 Oct 2026US 2026/0313761 A1LG Electronics Inc.
- Capacitance Sensor And Sensing Device1 Oct 2026US 2026/0298671 A1Seiko Epson Corporation
Most cited
By later US patents
- Capacitive sensor and array762US 6,452,514 B12002
- Charge transfer capacitance measurement circuit531US 6,466,036 B12002
- Capacitive field sensor with sigma-delta modulator414US 8,089,289 B1Cypress Semiconductor Corporation · 2012
- Capacitive sensor systems and methods with increased resolution and automatic calibration277US 6,940,291 B1iRobot Corporation · 2005
- Capacitive sensor systems and methods with increased resolution and automatic calibration261US 6,661,239 B1iRobot Corporation · 2003