G01F 1/44
Venturi tubes
G01F1/44 (Venturi tubes) appears on 344 US grants and 324 published applications in this corpus.
Search patents in G01F- Granted patents
- 344
- Published applications
- 324
- Assignees
- 223
- Inventors
- 742
- Latest grant
- 14 Jul 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 1 | 0 |
| 1978 | 2 | 0 |
| 1979 | 2 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 1 | 0 |
| 1983 | 1 | 0 |
| 1984 | 1 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 3 | 0 |
| 1988 | 2 | 0 |
| 1989 | 5 | 0 |
| 1990 | 4 | 0 |
| 1991 | 3 | 0 |
| 1992 | 4 | 0 |
| 1993 | 2 | 0 |
| 1994 | 2 | 0 |
| 1995 | 11 | 0 |
| 1996 | 6 | 0 |
| 1997 | 7 | 0 |
| 1998 | 7 | 0 |
| 1999 | 3 | 0 |
| 2000 | 4 | 0 |
| 2001 | 4 | 4 |
| 2002 | 9 | 9 |
| 2003 | 11 | 6 |
| 2004 | 9 | 15 |
| 2005 | 9 | 9 |
| 2006 | 5 | 6 |
| 2007 | 11 | 7 |
| 2008 | 5 | 15 |
| 2009 | 7 | 12 |
| 2010 | 8 | 9 |
| 2011 | 11 | 19 |
| 2012 | 6 | 9 |
| 2013 | 10 | 12 |
| 2014 | 6 | 13 |
| 2015 | 12 | 12 |
| 2016 | 12 | 19 |
| 2017 | 11 | 10 |
| 2018 | 15 | 21 |
| 2019 | 13 | 26 |
| 2020 | 22 | 13 |
| 2021 | 11 | 17 |
| 2022 | 14 | 17 |
| 2023 | 14 | 12 |
| 2024 | 13 | 10 |
| 2025 | 13 | 16 |
| 2026 | 5 | 6 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Flow measurement and control device and associated method14 Jul 2026US 12,680,847 B1
- Apparatus, system and method for determining at least two properties of a flowing multiphase fluid23 Jun 2026US 12,663,302 B2GLIMS Technology Ltd.
- Determining hydrocarbon reservoir production with a miniature multi-phase flowmeter2 Jun 2026US 12,644,735 B2Saudi Arabian Oil Company
- Fluid monitoring module arrangements2 Jun 2026US 12,644,749 B2Swagelok Company
- Geothermal production monitoring systems and related methods27 Jan 2026US 12,534,997 B2Schlumberger Technology Corporation
- Differential pressure assembly with protective boot and arrangement for amplifying pointer3 Sep 2026US 2026/0259095 A1Watts Regulator Co.
- Sensing arrangements for medical devices13 Aug 2026US 2026/0232947 A1Fisher & Paykel Healthcare Limited
- Sensor apparatus30 Apr 2026US 2026/0118149 A1Mmi Semiconductor Co., Ltd.
- Portable spirometer2 Apr 2026US 2026/0090726 A1Healthup SpóLka Akcyjna
- Venturi Flow Meter for Moisture-Saturated Compressed Air2 Apr 2026US 2026/0092797 A1CDI Meters, Inc.
Most cited
By later US patents
- Delivery of aerosol medications for inspiration598US 5,404,871 AAradigm Corporation · 1995
- Automatic aerosol medication delivery system and methods279US 5,394,866 AAradigm Corporation · 1995
- Method for releasing controlled amount of aerosol medication273US 5,608,647 AAradigm Corporation · 1997
- Method and apparatus for releasing a controlled amount of aerosol medication over a selectable time interval219US 5,392,768 AAradigm Corporation · 1995
- Delivery of aerosol medication for inspiration188US 5,813,397 AAradigm Corporation · 1998