G01K 7/18
The element being a linear resistance
Official title: the element being a linear resistance, e.g. platinum resistance thermometer (G01K7/26 takes precedence)
G01K7/18 (The element being a linear resistance) appears on 699 US grants and 604 published applications in this corpus.
Search patents in G01K- Granted patents
- 699
- Published applications
- 604
- Assignees
- 478
- Inventors
- 1,690
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 10 | 0 |
| 1978 | 11 | 0 |
| 1979 | 7 | 0 |
| 1980 | 6 | 0 |
| 1981 | 10 | 0 |
| 1982 | 1 | 0 |
| 1983 | 11 | 0 |
| 1984 | 4 | 0 |
| 1985 | 9 | 0 |
| 1986 | 7 | 0 |
| 1987 | 7 | 0 |
| 1988 | 7 | 0 |
| 1989 | 9 | 0 |
| 1990 | 6 | 0 |
| 1991 | 8 | 0 |
| 1992 | 15 | 0 |
| 1993 | 10 | 0 |
| 1994 | 11 | 0 |
| 1995 | 6 | 0 |
| 1996 | 3 | 0 |
| 1997 | 7 | 0 |
| 1998 | 10 | 0 |
| 1999 | 10 | 0 |
| 2000 | 13 | 0 |
| 2001 | 10 | 2 |
| 2002 | 8 | 6 |
| 2003 | 6 | 14 |
| 2004 | 13 | 14 |
| 2005 | 5 | 7 |
| 2006 | 9 | 10 |
| 2007 | 6 | 10 |
| 2008 | 6 | 12 |
| 2009 | 8 | 13 |
| 2010 | 11 | 22 |
| 2011 | 8 | 15 |
| 2012 | 20 | 9 |
| 2013 | 9 | 12 |
| 2014 | 11 | 25 |
| 2015 | 15 | 23 |
| 2016 | 12 | 18 |
| 2017 | 24 | 33 |
| 2018 | 18 | 28 |
| 2019 | 32 | 41 |
| 2020 | 26 | 40 |
| 2021 | 37 | 53 |
| 2022 | 46 | 57 |
| 2023 | 27 | 49 |
| 2024 | 54 | 35 |
| 2025 | 41 | 36 |
| 2026 | 31 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Method for determining the temperature in an electronic controller of a motor vehicle29 Sep 2026US 12,747,995 B2Melecs Ews GmbH
- Resistive thermometer excitation and calibration22 Sep 2026US 12,742,689 B2Analog Devices, Inc.
- High accuracy fast voltage and temperature sensor circuit25 Aug 2026US 12,716,783 B2STMicroelectronics International N. V.
- Sensing arrangements for camera modules18 Aug 2026US 12,710,317 B2Apple Inc.
- Self heating extraction design and methodology with power consumption correction18 Aug 2026US 12,710,319 B2International Business Machines Corporation
- Self-powered wireless telemtry for wafer temperature measurements1 Oct 2026US 2026/0298723 A1Siemens Aktiengesellschaft
- Temperature estimation system and temperature measurement device1 Oct 2026US 2026/0298724 A1Asahi Kasei Microdevices Corporation
- Low temperature error thermal sensor24 Sep 2026US 2026/0287441 A1Taiwan Semiconductor Manufacturing Company.Ltd
- Systems and methods for analyzing a microvolume sample27 Aug 2026US 2026/0251611 A1Thermo Electron Scientific Instruments LLC
- Measuring device, information processing system, and measuring method6 Aug 2026US 2026/0227247 A1Topologic Inc.
Most cited
By later US patents
- Switch for selectively coupling a sensor or calibration element to a terminal block536US 6,045,260 ARosemount Inc. · 2000
- Temperature sensing device528US 4,934,831 AClaud S. Gordon Company · 1990
- Sensor device353US 5,140,393 ASharp Kabushiki Kaisha · 1992
- Computerized remote resistance measurement system with fault detection113US 5,317,520 AMoore Industries International, Inc. · 1994
- Calibration of process control temperature transmitter101US 5,669,713 ARosemount Inc. · 1997