G01L 9/02

Measuring steady of quasi-steady pressure of fluid or fluent solid material by

Official title: by making use of variations in ohmic resistance, e.g. of potentiometers {, electric circuits therefor, e.g. bridges, amplifiers or signal conditioning}

G01L9/02 (Measuring steady of quasi-steady pressure of fluid or fluent solid material by) appears on 785 US grants and 612 published applications in this corpus.

Search patents in G01L

Granted patents: 785
Published applications: 612
Assignees: 409
Inventors: 1,459
Latest grant: 29 Sep 2026

Filings by year

G01L 9/02: granted patents and published applications per publication year
Year	Granted patents	Published applications
1976	8	0
1977	4	0
1978	6	0
1979	6	0
1980	7	0
1981	7	0
1982	9	0
1983	11	0
1984	16	0
1985	11	0
1986	10	0
1987	13	0
1988	12	0
1989	17	0
1990	10	0
1991	9	0
1992	11	0
1993	10	0
1994	12	0
1995	13	0
1996	13	0
1997	10	0
1998	9	0
1999	9	0
2000	12	0
2001	9	1
2002	5	12
2003	12	8
2004	8	18
2005	13	17
2006	23	18
2007	18	21
2008	12	7
2009	8	8
2010	8	21
2011	12	20
2012	11	17
2013	17	18
2014	20	32
2015	21	33
2016	25	28
2017	40	37
2018	29	35
2019	32	53
2020	32	41
2021	50	32
2022	38	33
2023	26	25
2024	27	33
2025	21	31
2026	13	13

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

Measuring steady of quasi-steady pressure of fluid or fluent solid material by

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