G01F 1/82
Using a driven wheel as impeller and one or more other wheels
Official title: using a driven wheel as impeller and one or more other wheels or moving elements which are angularly restrained by a resilient member, e.g. spring member as the measuring device
G01F1/82 (Using a driven wheel as impeller and one or more other wheels) appears on 25 US grants and 9 published applications in this corpus.
Search patents in G01F- Granted patents
- 25
- Published applications
- 9
- Assignees
- 17
- Inventors
- 41
- Latest grant
- 23 Dec 2025
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 2 | 0 |
| 1978 | 0 | 0 |
| 1979 | 0 | 0 |
| 1980 | 0 | 0 |
| 1981 | 2 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 1 | 0 |
| 1985 | 0 | 0 |
| 1986 | 0 | 0 |
| 1987 | 0 | 0 |
| 1988 | 0 | 0 |
| 1989 | 2 | 0 |
| 1990 | 0 | 0 |
| 1991 | 0 | 0 |
| 1992 | 0 | 0 |
| 1993 | 1 | 0 |
| 1994 | 2 | 0 |
| 1995 | 1 | 0 |
| 1996 | 1 | 0 |
| 1997 | 1 | 0 |
| 1998 | 2 | 0 |
| 1999 | 0 | 0 |
| 2000 | 0 | 0 |
| 2001 | 0 | 0 |
| 2002 | 0 | 0 |
| 2003 | 0 | 0 |
| 2004 | 1 | 1 |
| 2005 | 0 | 0 |
| 2006 | 0 | 0 |
| 2007 | 0 | 0 |
| 2008 | 0 | 0 |
| 2009 | 0 | 0 |
| 2010 | 0 | 0 |
| 2011 | 0 | 1 |
| 2012 | 1 | 2 |
| 2013 | 1 | 1 |
| 2014 | 0 | 0 |
| 2015 | 2 | 0 |
| 2016 | 1 | 1 |
| 2017 | 0 | 0 |
| 2018 | 0 | 0 |
| 2019 | 0 | 0 |
| 2020 | 0 | 1 |
| 2021 | 0 | 0 |
| 2022 | 1 | 1 |
| 2023 | 1 | 1 |
| 2024 | 0 | 0 |
| 2025 | 1 | 0 |
By publication year. Applications have been published since 2001.
Recent patents
- Method and apparatus for managing a flow out from a wellbore during drilling23 Dec 2025US 12,504,308 B2Norce Innovation AS
- Fan26 Sep 2023US 11,768,090 B2Ziehl-Abegg SE
- Measuring device for measuring a mass flow rate of a material flow, method and measuring system29 Mar 2022US 11,287,300 B2Schenck Process Europe GmbH
- Turning vane26 Jul 2016US 9,399,199 B2Illinois Tool Works Inc.
- Method and a device for real time monitoring of a system for measuring a fuel flow rate5 May 2015US 9,021,854 B2Snecma
- A method and apparatus for managing a flow out from a wellbore during drilling27 Apr 2023US 2023/0125603 A1Norce Innovation AS
- Fan15 Dec 2022US 2022/0397121 A1Ziehl-Abegg SE
- Measuring device for measuring a mass flow rate of a material flow, method and measuring system10 Sep 2020US 2020/0284634 A1Schenck Process Europe GmbH
- Turning vane7 Jan 2016US 2016/0001239 A1Illinois Tool Works Inc.
- Torsional flow sensor13 Jun 2013US 2013/0145817 A1
Most cited
By later US patents
- Shrouded flowmeter turbine and improved fluid flowmeter using the same16US 4,012,957 AEldec Corporation · 1977
- Flow meter16US 5,337,615 A1994
- Differential mass flowmeter13US 4,438,648 AEldec Corporation · 1984
- Low force flowmeter pick-off12US 5,197,337 AAmetek, Inc. · 1993
- Mass rate of flow meter11US 4,056,976 AGeneral Electric Company · 1977