Inventor · disambiguated record
Lawrence B. Marsh
Also filed as: MARSH LAWRENCE B
19 granted patents·1 pending application·569 citations·filing 1975–2023
95Inventor score
Files withMARSH MCBIRNEY INC11MARSH LAWRENCE B4BRICKHOUSE INNOVATIONS LLC3ASHMAN DAVID ALAN1MARSH MCBIRNES INC1
Top patents by PatentIndex Score
20 records- 0196US4459858AFlow meter having an electromagnetic sensor probeMARSH MCBIRNEY INC·Filed 1983·Granted Jul 17, 1984·89 cites·17 claims
- 0294US4083246AFluid flow meterMARSH MCBIRNEY INC·Filed 1977·Granted Apr 11, 1978·69 cites·18 claims
- 0392US5811688AOpen channel flowmeter utilizing surface velocity and lookdown level devicesMARSH MCBIRNEY INC·Filed 1997·Granted Sep 22, 1998·107 cites·47 claims
- 0487US8434371B2Electromagnetic fluid velocity sensor with adjustable electrodesMARSH LAWRENCE B·Filed 2010·Granted May 7, 2013·9 cites·9 claims
- 0584US6598487B1Magnetic flowmeter having a separable magnet/electrode assemblyMARSH MCBIRNEY INC·Filed 2002·Granted Jul 29, 2003·33 cites·16 claims
- 0681US5594179ATracer type flowmeter and method using two or more injected trace materialsMARSH MCBIRNEY INC·Filed 1995·Granted Jan 14, 1997·49 cites·16 claims
- 0780US4688432AAveraging velocity sensor for measuring fluid flow in a conduitMARSH LAWRENCE B·Filed 1986·Granted Aug 25, 1987·39 cites·27 claims
- 0879US5684250ASelf-calibrating open-channel flowmeterMARSH MCBIRNEY INC·Filed 1995·Granted Nov 4, 1997·47 cites·15 claims
- 0979US4015471ASpherical electromagnetic water current velocity sensor with protruding electrodesMARSH MCBIRNEY INC·Filed 1975·Granted Apr 5, 1977·24 cites·5 claims
- 1068US5385056APump station flowmeterMARSH MCBIRNEY INC·Filed 1994·Granted Jan 31, 1995·25 cites·4 claims
- 1158US4232532AApparatus for controlling the temperature of a bottleMARSH LAWRENCE B·Filed 1979·Granted Nov 11, 1980·20 cites·9 claims
- 1257US5398552AMagnetic flowmeter having a separable magnetic assemblyMARSH MCBIRNEY INC·Filed 1993·Granted Mar 21, 1995·19 cites·10 claims
- 1356US9116060B2Auto-zeroing absolute pressure sensorASHMAN DAVID ALAN·Filed 2012·Granted Aug 25, 2015·3 cites·18 claims
- 1456US2025076092A1Apparatus for measuring the velocity of a fluidBRICKHOUSE INNOVATIONS LLC·Filed 2023·Application pending·0 cites
- 1555US9429588B2Electromagnetic boat speedometer having removable electrodesMARSH LAWRENCE B·Filed 2013·Granted Aug 30, 2016·0 cites·12 claims
- 1655US5263374AFlowmeter with concentrically arranged electromagnetic fieldMARSH MCBIRNEY INC·Filed 1992·Granted Nov 23, 1993·18 cites·17 claims
- 1753US10416187B2Electromagnetic boat speedometer having removable electrodesBRICKHOUSE INNOVATIONS LLC·Filed 2016·Granted Sep 17, 2019·0 cites·9 claims
- 1843US9983223B2Electromagnetic boat speedometer having boundary layer velocity compensationBRICKHOUSE INNOVATIONS LLC·Filed 2014·Granted May 29, 2018·0 cites·22 claims
- 1939US5313842APump station flowmeter with sudden high inflow change detectorMARSH MCBIRNES INC·Filed 1992·Granted May 24, 1994·14 cites·13 claims
- 2034US4549434APressure level sensorMARSH MCBIRNEY INC·Filed 1984·Granted Oct 29, 1985·4 cites·12 claims
Join the waitlist — get patent alerts
Get an alert when Lawrence B. Marsh files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →