Brown; Alvin E.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Brown; Alvin E..The latest application filed is for "method of determining a characteristic of a fluid".

Company Profile

0.18.0

Brown; Alvin E. - Santa Cruz CA
Brown; Alvin E. - Claremont CA
Brown; Alvin E. - Redwood CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Method of determining a characteristic of a fluid Grant 5,835,884 - Brown November 10, 1	1998-11-10
Ultrasonic flow meter and method Grant 5,817,949 - Brown October 6, 1	1998-10-06
Universal upstream-downstream flowmeter tester Grant 4,762,012 - Brown August 9, 1	1988-08-09
Universal doppler flowmeter tester Grant 4,729,247 - Brown March 8, 1	1988-03-08
Flowmeter with radial vibrational mode for ultrasonic waves Grant 4,601,210 - Brown July 22, 1	1986-07-22
Calibration circuit for ultrasonic flowmeter Grant 4,509,373 - Brown April 9, 1	1985-04-09
Coaxial flowpath apparatus Grant 4,506,552 - Brown , et al. March 26, 1	1985-03-26
Analog ultrasonic flowmeter Grant 4,384,491 - Brown , et al. May 24, 1	1983-05-24
Apparatus for the ultrasonic measurement of the flow velocity of fluent media Grant 4,203,322 - Brown , et al. May 20, 1	1980-05-20
Method and system for measuring flow rate Grant 4,102,186 - Brown July 25, 1	1978-07-25
Method and apparatus for measuring fluid flow in small bore conduits Grant 4,032,259 - Brown June 28, 1	1977-06-28
Apparatus for determining the arrival time of alternating signals Grant 4,022,058 - Brown May 10, 1	1977-05-10
Method and apparatus for the ultrasonic measurement of the flow velocity of fluent media Grant 3,981,191 - Brown , et al. September 21, 1	1976-09-21
Ultrasonic fluid speed of sound and flow meter apparatus and method Grant RE28,929 - Brown August 17, 1	1976-08-17
Ultrasonic Bond Monitor Grant 3,827,619 - Cusick , et al. August 6, 1	1974-08-06
Dual Path Ultrasonic Fluid Flow Metering System And Method Grant 3,818,757 - Brown June 25, 1	1974-06-25
Axial Fluid Flow And Sound Speed Grant 3,817,098 - Brown June 18, 1	1974-06-18
Ultrasonic Fluid Speed Of Sound And Flow Meter Apparatus And Method Grant 3,780,577 - Brown December 25, 1	1973-12-25

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