G01F 1/688
Using a particular type of heating, cooling or sensing element
Official title: using a particular type of heating, cooling or sensing element {(G01F1/6847 takes precedence)}
G01F1/688 (Using a particular type of heating, cooling or sensing element) appears on 1,076 US grants and 959 published applications in this corpus.
Search patents in G01F- Granted patents
- 1,076
- Published applications
- 959
- Assignees
- 455
- Inventors
- 1,860
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 3 | 0 |
| 1977 | 1 | 0 |
| 1978 | 4 | 0 |
| 1979 | 1 | 0 |
| 1980 | 3 | 0 |
| 1981 | 9 | 0 |
| 1982 | 12 | 0 |
| 1983 | 9 | 0 |
| 1984 | 10 | 0 |
| 1985 | 11 | 0 |
| 1986 | 14 | 0 |
| 1987 | 8 | 0 |
| 1988 | 16 | 0 |
| 1989 | 19 | 0 |
| 1990 | 18 | 0 |
| 1991 | 15 | 0 |
| 1992 | 15 | 0 |
| 1993 | 11 | 0 |
| 1994 | 19 | 0 |
| 1995 | 14 | 0 |
| 1996 | 10 | 0 |
| 1997 | 12 | 0 |
| 1998 | 22 | 0 |
| 1999 | 11 | 0 |
| 2000 | 8 | 0 |
| 2001 | 12 | 2 |
| 2002 | 15 | 13 |
| 2003 | 20 | 10 |
| 2004 | 17 | 38 |
| 2005 | 18 | 19 |
| 2006 | 22 | 26 |
| 2007 | 22 | 24 |
| 2008 | 16 | 30 |
| 2009 | 14 | 26 |
| 2010 | 27 | 24 |
| 2011 | 21 | 25 |
| 2012 | 15 | 35 |
| 2013 | 21 | 37 |
| 2014 | 31 | 50 |
| 2015 | 39 | 67 |
| 2016 | 27 | 52 |
| 2017 | 47 | 51 |
| 2018 | 60 | 69 |
| 2019 | 55 | 67 |
| 2020 | 61 | 64 |
| 2021 | 48 | 61 |
| 2022 | 57 | 58 |
| 2023 | 36 | 29 |
| 2024 | 41 | 41 |
| 2025 | 39 | 21 |
| 2026 | 20 | 20 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Compact fluid flow sensor6 Oct 2026US 12,754,051 B2Advanced Energy Industries, Inc.
- Multi-wire velocity sensor25 Aug 2026US 12,716,910 B2Tendo Technologies Inc.
- System and methodology for evaluation of distributed acoustic and temperature signals during well flows with heterogeneous inflow and outflow patterns14 Jul 2026US 12,680,850 B2Schlumberger Technology Corporation
- Thermal flowmeter and method for operating a thermal flowmeter30 Jun 2026US 12,669,358 B2Endress + Hauser Flowtec AG
- Apparatus and method of measuring air currents on surface of substrate16 Jun 2026US 12,660,576 B2Semes Co., Ltd.
- 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
- Respiratory humidification system235US 6,272,933 B1Fisher & Paykel Limited · 2001
- Respiratory humidification system208US 6,349,722 B1Fisher & Paykel Limited · 2002
- 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