G01F 1/20
By detection of dynamic effects of the flow
Official title: by detection of dynamic effects of the flow
G01F1/20 (By detection of dynamic effects of the flow) appears on 1,740 US grants and 878 published applications in this corpus.
Search patents in G01F- Granted patents
- 1,740
- Published applications
- 878
- Assignees
- 838
- Inventors
- 2,748
- Latest grant
- 29 Sep 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 42 | 0 |
| 1977 | 42 | 0 |
| 1978 | 35 | 0 |
| 1979 | 25 | 0 |
| 1980 | 41 | 0 |
| 1981 | 41 | 0 |
| 1982 | 31 | 0 |
| 1983 | 28 | 0 |
| 1984 | 56 | 0 |
| 1985 | 31 | 0 |
| 1986 | 35 | 0 |
| 1987 | 24 | 0 |
| 1988 | 32 | 0 |
| 1989 | 53 | 0 |
| 1990 | 56 | 0 |
| 1991 | 43 | 0 |
| 1992 | 34 | 0 |
| 1993 | 29 | 0 |
| 1994 | 40 | 0 |
| 1995 | 30 | 0 |
| 1996 | 35 | 0 |
| 1997 | 20 | 0 |
| 1998 | 40 | 0 |
| 1999 | 32 | 0 |
| 2000 | 23 | 0 |
| 2001 | 34 | 2 |
| 2002 | 24 | 21 |
| 2003 | 30 | 21 |
| 2004 | 26 | 31 |
| 2005 | 30 | 29 |
| 2006 | 24 | 20 |
| 2007 | 20 | 30 |
| 2008 | 25 | 37 |
| 2009 | 23 | 28 |
| 2010 | 25 | 32 |
| 2011 | 29 | 46 |
| 2012 | 22 | 26 |
| 2013 | 39 | 38 |
| 2014 | 31 | 33 |
| 2015 | 41 | 51 |
| 2016 | 39 | 47 |
| 2017 | 42 | 37 |
| 2018 | 30 | 65 |
| 2019 | 45 | 45 |
| 2020 | 71 | 66 |
| 2021 | 36 | 43 |
| 2022 | 44 | 30 |
| 2023 | 35 | 28 |
| 2024 | 38 | 35 |
| 2025 | 25 | 22 |
| 2026 | 14 | 15 |
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.
- Measurement apparatus and method15 Sep 2026US 12,736,380 B2ROLLS-ROYCE plc
- Sensor for detecting gas and gas flow and method for manufacturing sensor element of sensor15 Sep 2026US 12,736,493 B2Hongik University Industry-Academia Cooperation Foundation
- Flow meter for dosing pumps14 Jul 2026US 12,680,541 B2Advantage Controls, LLC
- Flowmeter30 Jun 2026US 12,669,355 B2SIKA Dr. Siebert & Kühn GmbH & Co. KG
- Heat exchanger with enhanced heat transfer manifold1 Oct 2026US 2026/0298561 A1Rtx Corporation
- Vortex meter with hydrogen getter module1 Oct 2026US 2026/0298685 A1
- Apparatus, method, and non-transitory computer readable medium17 Sep 2026US 2026/0276421 A1Yokogawa Electric Corporation
- Digitalization Support Apparatus for Analog Flow Meter13 Aug 2026US 2026/0235424 A1LG Chem.Ltd.
- Full-surface detached vorticity method for solving fluid dynamics6 Aug 2026US 2026/0228400 A1
Most cited
By later US patents
- Pump system for negative pressure wound therapy337US 7,857,806 B2Boehringer Technologies, L.P. · 2010
- Electronic smoke147US 9,072,321 B2MiniLogic Device Corporation Ltd. · 2015
- Therapeutic gas flow meter and monitor138US 5,911,219 A1999
- Apparatus for measuring agricultural yield130US 5,282,389 ADawn Equipment Company · 1994
- Method for recording multi-phase flows through a transport system120US 5,083,452 ASensorteknikk A/S · 1992