G01F 1/69
Of resistive type
Official title: of resistive type
G01F1/69 (Of resistive type) appears on 769 US grants and 686 published applications in this corpus.
Search patents in G01F- Granted patents
- 769
- Published applications
- 686
- Assignees
- 305
- Inventors
- 1,322
- Latest grant
- 25 Aug 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 2 | 0 |
| 1977 | 0 | 0 |
| 1978 | 2 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 7 | 0 |
| 1982 | 10 | 0 |
| 1983 | 7 | 0 |
| 1984 | 7 | 0 |
| 1985 | 7 | 0 |
| 1986 | 9 | 0 |
| 1987 | 8 | 0 |
| 1988 | 13 | 0 |
| 1989 | 17 | 0 |
| 1990 | 14 | 0 |
| 1991 | 11 | 0 |
| 1992 | 12 | 0 |
| 1993 | 8 | 0 |
| 1994 | 15 | 0 |
| 1995 | 12 | 0 |
| 1996 | 8 | 0 |
| 1997 | 8 | 0 |
| 1998 | 18 | 0 |
| 1999 | 8 | 0 |
| 2000 | 5 | 0 |
| 2001 | 11 | 2 |
| 2002 | 8 | 10 |
| 2003 | 14 | 7 |
| 2004 | 12 | 28 |
| 2005 | 14 | 14 |
| 2006 | 18 | 16 |
| 2007 | 14 | 14 |
| 2008 | 8 | 18 |
| 2009 | 7 | 16 |
| 2010 | 18 | 16 |
| 2011 | 14 | 17 |
| 2012 | 11 | 23 |
| 2013 | 12 | 27 |
| 2014 | 21 | 37 |
| 2015 | 25 | 59 |
| 2016 | 23 | 40 |
| 2017 | 39 | 40 |
| 2018 | 48 | 51 |
| 2019 | 41 | 50 |
| 2020 | 43 | 45 |
| 2021 | 30 | 40 |
| 2022 | 47 | 46 |
| 2023 | 21 | 14 |
| 2024 | 27 | 26 |
| 2025 | 21 | 13 |
| 2026 | 10 | 17 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Multi-wire velocity sensor25 Aug 2026US 12,716,910 B2Tendo Technologies Inc.
- Thermal flowmeter and method for operating a thermal flowmeter30 Jun 2026US 12,669,358 B2Endress + Hauser Flowtec AG
- Mass flow sensor having an airfoil2 Jun 2026US 12,644,781 B2HarcoSemco, LLC
- Sensor element26 May 2026US 12,638,321 B2Koa Corporation
- Gas monitoring device for gas chromatograph12 May 2026US 12,625,116 B2Shimadzu Corporation
- Method for determining a flow rate of a fluid independent of the thermal properties of the fluid8 Oct 2026US 2026/0309527 A1Berkin B.V.
- Probe apparatus and method for measuring cryogenic exhaust flow1 Oct 2026US 2026/0298682 A1Messer Industries USA, Inc.
- Physical property value sensor, flow sensor, physical property value detection method, and fluid detection method10 Sep 2026US 2026/0266645 A1Mitsumi Electric Co., Ltd.
- Sensing arrangements for medical devices13 Aug 2026US 2026/0232947 A1Fisher & Paykel Healthcare Limited
- Thermal flow meter23 Jul 2026US 2026/0210745 A1Surpass Industry Co., Ltd.
Most cited
By later US patents
- Intravascular pressure and flow sensor523US 5,873,835 ASciMed Life Systems, Inc. · 1999
- Intravascular flow measurement system176US 5,617,870 ASciMed Life Systems, Inc. · 1997
- Apparatus and method for performing diagnostics and intravascular therapies146US 5,346,508 ASciMed Life Systems, Inc. · 1994
- Air flow rate measuring apparatus89US 4,264,961 AHitachi, Ltd. · 1981
- Heat conduction-type sensor for calibrating effects of temperature and type of fluid, and thermal flow sensor and thermal barometric sensor using this sensor78US 8,667,839 B22014