G01P 5/20
Using particles entrained by a fluid stream
Official title: using particles entrained by a fluid stream (G01P5/22 takes precedence)
G01P5/20 (Using particles entrained by a fluid stream) appears on 141 US grants and 123 published applications in this corpus.
Search patents in G01P- Granted patents
- 141
- Published applications
- 123
- Assignees
- 130
- Inventors
- 342
- Latest grant
- 6 Oct 2026
Filings by year
| Year | Granted patents | Published applications |
|---|---|---|
| 1976 | 1 | 0 |
| 1977 | 0 | 0 |
| 1978 | 1 | 0 |
| 1979 | 0 | 0 |
| 1980 | 2 | 0 |
| 1981 | 1 | 0 |
| 1982 | 0 | 0 |
| 1983 | 0 | 0 |
| 1984 | 2 | 0 |
| 1985 | 3 | 0 |
| 1986 | 0 | 0 |
| 1987 | 2 | 0 |
| 1988 | 0 | 0 |
| 1989 | 7 | 0 |
| 1990 | 1 | 0 |
| 1991 | 3 | 0 |
| 1992 | 5 | 0 |
| 1993 | 1 | 0 |
| 1994 | 1 | 0 |
| 1995 | 0 | 0 |
| 1996 | 1 | 0 |
| 1997 | 2 | 0 |
| 1998 | 2 | 0 |
| 1999 | 1 | 0 |
| 2000 | 5 | 0 |
| 2001 | 2 | 0 |
| 2002 | 3 | 7 |
| 2003 | 3 | 1 |
| 2004 | 4 | 5 |
| 2005 | 2 | 4 |
| 2006 | 3 | 5 |
| 2007 | 6 | 6 |
| 2008 | 2 | 5 |
| 2009 | 1 | 5 |
| 2010 | 8 | 6 |
| 2011 | 4 | 3 |
| 2012 | 2 | 1 |
| 2013 | 1 | 2 |
| 2014 | 5 | 5 |
| 2015 | 4 | 4 |
| 2016 | 2 | 4 |
| 2017 | 5 | 2 |
| 2018 | 1 | 4 |
| 2019 | 3 | 5 |
| 2020 | 3 | 7 |
| 2021 | 8 | 7 |
| 2022 | 3 | 12 |
| 2023 | 5 | 6 |
| 2024 | 8 | 6 |
| 2025 | 10 | 6 |
| 2026 | 2 | 5 |
By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.
Recent patents
- Systems and methods for estimating a speed of a vehicle6 Oct 2026US 12,754,201 B2The Boeing Company
- Method for determining at least one charge characteristic of electrical charges of particles in a fluid stream and a fluid stream charge measuring device2 Jun 2026US 12,644,818 B2Bundesrepublik Deutschland, Vertreten Durch Das Bundesministerium FüR Wirtschaft Und Energie
- Optical acoustic vector sensor4 Nov 2025US 12,462,401 B2Raytheon Company
- Device and method for calibrating particle image velocimetry (PIV) image based on laser linear arrays7 Oct 2025US 12,436,085 B2Ningbo Institute of Technology, Beihang University
- Particle image velocimetry of extreme ultraviolet lithography systems7 Oct 2025US 12,436,164 B2Taiwan Semiconductor Manufacturing Company.Ltd
- A method, system and computer program for event-based tracer tracking23 Jul 2026US 2026/0210995 A1ETH Zurich
- Near-wall velocimetry probe using optical fiber bundles23 Apr 2026US 2026/0110706 A1The George Washington University
- Systems and methods for estimating a speed of a vehicle5 Feb 2026US 2026/0036604 A1The Boeing Company
- Velocity measurement by decorrelation ratio of structured optical signals15 Jan 2026US 2026/0016499 A1Polyvalor, Limited Partnership
- System and method for fluid flow assessment8 Jan 2026US 2026/0009816 A1Regents of the University of Minnesota
Most cited
By later US patents
- Electrochemical sensor519US 5,670,031 AFraunhofer-Gesellschaft zur angewandten Forschung e.V. · 1997
- Scanner for airborne laser system116US 6,723,975 B2Honeywell International Inc. · 2004
- Method for optically detecting gas bubbles moving in a coolant109US 5,864,392 AAVL List GmbH · 1999
- Technique for simultaneous particle size and velocity measurement103US 4,251,733 A1981
- Polarization label for measuring 3-dimensional orientation61US 6,696,299 B1Massachusetts Institute of Technology · 2004