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G01F 1/3227

Using fluidic oscillators

Official title: {using fluidic oscillators (fluidic oscillators per se F15C1/00)}

G01F1/3227 (Using fluidic oscillators) appears on 87 US grants and 42 published applications in this corpus.

Search patents in G01F

Granted patents: 87
Published applications: 42
Assignees: 52
Inventors: 133
Latest grant: 17 Jun 2025

Filings by year

G01F 1/3227: granted patents and published applications per publication year
Year	Granted patents	Published applications
1977	1	0
1978	2	0
1979	2	0
1980	1	0
1981	1	0
1982	0	0
1983	0	0
1984	0	0
1985	1	0
1986	1	0
1987	0	0
1988	0	0
1989	4	0
1990	5	0
1991	2	0
1992	2	0
1993	1	0
1994	6	0
1995	3	0
1996	0	0
1997	2	0
1998	1	0
1999	4	0
2000	3	0
2001	6	0
2002	2	2
2003	3	1
2004	0	1
2005	2	0
2006	0	2
2007	2	3
2008	2	1
2009	0	1
2010	2	1
2011	0	4
2012	3	5
2013	5	2
2014	0	3
2015	6	3
2016	2	0
2017	1	2
2018	0	2
2019	0	0
2020	0	3
2021	3	0
2022	0	0
2023	0	3
2024	4	2
2025	2	1

By publication year. Applications have been published since 2001.

Recent patents

Machine learning-based wellbore fluid flow rate prediction17 Jun 2025US 12,332,094 B2Halliburton Energy Services.Inc.
Virtual flow metering using acoustics for a well17 Jun 2025US 12,332,099 B2Halliburton Energy Services.Inc.
Vibronic sensor31 Dec 2024US 12,181,316 B2Endress + Hauser GmbH + Co. KG
Memory tool for a retrievable flow meter device30 Apr 2024US 11,970,934 B2Halliburton Energy Services.Inc.
Asymmetric fluidic oscillator for generating a wellbore signal16 Apr 2024US 11,959,887 B2Halliburton Energy Services.Inc.

Most cited

By later US patents