G01F 1/6986
With pulsed heating
Official title: {with pulsed heating, e.g. dynamic methods}
G01F1/6986 (With pulsed heating) appears on 116 US grants and 72 published applications in this corpus.
Search patents in G01F- Granted patents
- 116
- Published applications
- 72
- Assignees
- 97
- Inventors
- 245
- Latest grant
- 20 Jan 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1977 | 3 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 1 | 0 |
| 1982 | 2 | 0 |
| 1983 | 0 | 0 |
| 1984 | 0 | 0 |
| 1985 | 1 | 0 |
| 1986 | 5 | 0 |
| 1987 | 6 | 0 |
| 1988 | 3 | 0 |
| 1989 | 5 | 0 |
| 1990 | 2 | 0 |
| 1991 | 2 | 0 |
| 1992 | 6 | 0 |
| 1993 | 5 | 0 |
| 1994 | 2 | 0 |
| 1995 | 2 | 0 |
| 1996 | 3 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 1 | 0 |
| 2001 | 1 | 1 |
| 2002 | 2 | 1 |
| 2003 | 3 | 3 |
| 2004 | 4 | 5 |
| 2005 | 3 | 8 |
| 2006 | 9 | 4 |
| 2007 | 2 | 1 |
| 2008 | 1 | 3 |
| 2009 | 3 | 3 |
| 2010 | 1 | 3 |
| 2011 | 4 | 0 |
| 2012 | 2 | 4 |
| 2013 | 2 | 3 |
| 2014 | 0 | 1 |
| 2015 | 2 | 0 |
| 2016 | 1 | 3 |
| 2017 | 0 | 1 |
| 2018 | 1 | 7 |
| 2019 | 2 | 6 |
| 2020 | 7 | 3 |
| 2021 | 3 | 1 |
| 2022 | 2 | 2 |
| 2023 | 2 | 1 |
| 2024 | 2 | 3 |
| 2025 | 2 | 3 |
| 2026 | 1 | 2 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Thermopile-based flow sensing apparatus with electrostatic protection20 Jan 2026US 12,529,585 B2Honeywell International Inc.
- Thermal type flowmeter22 Jul 2025US 12,366,474 B1Toflo Corporation
- Flow sensing device and method1 Jul 2025US 12,345,556 B2Nvention Ltd.
- Methods and devices for determination of differential parameters associated with fluid flow within a conduit16 Jul 2024US 12,038,312 B2Feelit Technologies Ltd.
- Thermal flow sensor and method for operating same21 May 2024US 11,988,535 B2Innovator Sensor Technology IST AG
- Apparatus and method for measuring fluid flow5 Mar 2026US 2026/0063456 A12Sg Technologies LLC
- Apparatus and method for measuring fluid flow5 Mar 2026US 2026/0063457 A12Sg Technologies LLC
- Sensor arrangement3 Jul 2025US 2025/0216235 A1Hahn-Schickard-Gesellschaft FüR Angewandte Forschung E. V.
- Sensor arrangement3 Jul 2025US 2025/0216349 A1Hahn-Schickard-Gesellschaft FüR Angewandte Forschung E. V.
- Out of product sensor13 Mar 2025US 2025/0085147 A1
Most cited
By later US patents
- Thermopile flow sensor113US 5,557,967 APacesetter, Inc. · 1996
- Combustible gas measurement60US 5,708,585 AGeneral Motors Corporation · 1998
- Apparatus for the measurement of thermal properties of biomaterials58US 4,059,982 AMassachusetts Institute of Technology · 1977
- Fiber optic thermal anemometer52US 4,621,929 ALuxtron Corporation · 1986
- Thermal flowmeter with fluid descriminant function50US 6,681,624 B2Mitsui Mining & Smelting Co., Ltd. · 2004