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G01F 1/3287

Circuits therefor

Official title: {circuits therefor}

G01F1/3287 (Circuits therefor) appears on 127 US grants and 46 published applications in this corpus.

Search patents in G01F

Granted patents: 127
Published applications: 46
Assignees: 54
Inventors: 189
Latest grant: 17 Mar 2026

Filings by year

G01F 1/3287: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	4	0
1977	2	0
1978	4	0
1979	3	0
1980	2	0
1981	5	0
1982	3	0
1983	1	0
1984	7	0
1985	2	0
1986	6	0
1987	1	0
1988	0	0
1989	6	0
1990	5	0
1991	1	0
1992	0	0
1993	0	0
1994	4	0
1995	3	0
1996	4	0
1997	2	0
1998	3	0
1999	1	0
2000	2	0
2001	4	0
2002	5	2
2003	3	2
2004	1	2
2005	2	2
2006	2	2
2007	3	0
2008	2	0
2009	0	1
2010	0	0
2011	1	0
2012	0	1
2013	1	2
2014	3	2
2015	0	1
2016	2	3
2017	2	0
2018	1	3
2019	2	3
2020	3	3
2021	3	6
2022	4	4
2023	4	0
2024	5	5
2025	2	1
2026	1	1

By publication year. Applications have been published since 2001. 2026 runs to 8 Oct.

Recent patents

Flow measurement device17 Mar 2026US 12,578,214 B2Kofloc Corp.
Swirler-type gas-liquid two-phase flow metering device and method26 Aug 2025US 12,399,045 B2Jiangsu Forged Pipe Fittings Co.,Ltd
Vortex flow meter and method for testing a vortex flow meter20 May 2025US 12,306,025 B2Endress + Hauser Flowtec AG
Flow meter and device for producing active hydroxyl free radical solution having the flow meter26 Nov 2024US 12,152,917 B2
Method for verifying a useful signal component of a periodic sensor signal29 Oct 2024US 12,130,160 B2KROHNE Messtechnik GmbH

Most cited

By later US patents