G01F 1/3209
Using karman vortices
Official title: {using Karman vortices}
G01F1/3209 (Using karman vortices) appears on 322 US grants and 185 published applications in this corpus.
Search patents in G01F- Granted patents
- 322
- Published applications
- 185
- Assignees
- 144
- Inventors
- 492
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 8 | 0 |
| 1977 | 5 | 0 |
| 1978 | 7 | 0 |
| 1979 | 3 | 0 |
| 1980 | 6 | 0 |
| 1981 | 9 | 0 |
| 1982 | 2 | 0 |
| 1983 | 6 | 0 |
| 1984 | 16 | 0 |
| 1985 | 1 | 0 |
| 1986 | 3 | 0 |
| 1987 | 4 | 0 |
| 1988 | 8 | 0 |
| 1989 | 8 | 0 |
| 1990 | 9 | 0 |
| 1991 | 7 | 0 |
| 1992 | 5 | 0 |
| 1993 | 2 | 0 |
| 1994 | 6 | 0 |
| 1995 | 4 | 0 |
| 1996 | 8 | 0 |
| 1997 | 2 | 0 |
| 1998 | 5 | 0 |
| 1999 | 9 | 0 |
| 2000 | 3 | 0 |
| 2001 | 3 | 1 |
| 2002 | 1 | 1 |
| 2003 | 2 | 3 |
| 2004 | 1 | 8 |
| 2005 | 8 | 7 |
| 2006 | 7 | 1 |
| 2007 | 1 | 2 |
| 2008 | 5 | 11 |
| 2009 | 8 | 7 |
| 2010 | 2 | 9 |
| 2011 | 13 | 9 |
| 2012 | 4 | 4 |
| 2013 | 11 | 10 |
| 2014 | 9 | 7 |
| 2015 | 11 | 15 |
| 2016 | 13 | 16 |
| 2017 | 10 | 4 |
| 2018 | 3 | 8 |
| 2019 | 11 | 12 |
| 2020 | 13 | 15 |
| 2021 | 12 | 6 |
| 2022 | 10 | 8 |
| 2023 | 5 | 1 |
| 2024 | 6 | 10 |
| 2025 | 3 | 6 |
| 2026 | 4 | 4 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Subgroups
Granted patents
Recent patents
- Flow rate detection for an aspirating smoke detection system29 Sep 2026US 12,747,971 B2Honeywell International Inc.
- Flowmeter30 Jun 2026US 12,669,355 B2SIKA Dr. Siebert & Kühn GmbH & Co. KG
- Heat exchanger with enhanced heat transfer manifold9 Jun 2026US 12,650,274 B2Rtx Corporation
- Flow measurement device17 Mar 2026US 12,578,214 B2Kofloc Corp.
- Sensor for detecting pressure fluctuations in a flowing fluid, and measurement system formed therewith16 Dec 2025US 12,498,259 B2Endress + Hauser Flowtec AG
- Heat exchanger with enhanced heat transfer manifold1 Oct 2026US 2026/0298561 A1Rtx Corporation
- Apparatus, method, and non-transitory computer readable medium17 Sep 2026US 2026/0276421 A1Yokogawa Electric Corporation
- Capacitive sensor assembly for a field device, and field device18 Jun 2026US 2026/0168827 A1Endress + Hauser Flowtec AG
- Sensor and measurement system formed therewith28 May 2026US 2026/0146875 A1Endress + Hauser Flowtec AG
- Multiphase vortex flowmeter system11 Dec 2025US 2025/0377228 A1Halker Smart Solutions LLC
Most cited
By later US patents
- Apparatus for measuring the velocity of a fluid flowing in a conduit80US 5,908,990 AAura Enviromental, Ltd. · 1999
- Water use monitoring apparatus70US 9,749,792 B22017
- Fluid flow meter and mixer having removable and replaceable displacement member67US 5,814,738 AMcCrometer, Inc. · 1998
- Fluid measuring device56US 4,280,360 ANissan Motor Co., Ltd. · 1981
- Mass-volume vortex flowmeter49US 5,152,181 A1992