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MARSH MCBIRNEY INC

Overview
  • Total Patents
    29
About

MARSH MCBIRNEY INC has a total of 29 patent applications. Its first patent ever was published in 1973. It filed its patents most often in United States, EPO (European Patent Office) and Australia. Its main competitors in its focus markets measurement, packaging and shipping and civil engineering are TITAN ENTPR LTD, TURBO WERK MESSTECHNIK GMBH and HORAK VLADIMIR.

Patent filings per year

Chart showing MARSH MCBIRNEY INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Marsh Lawrence B 25
#2 Wright John D 8
#3 Heckman Donald B 5
#4 Darby Jr James J 1

Latest patents

Publication Filing date Title
US6598487B1 Magnetic flowmeter having a separable magnet/electrode assembly
US5811688A Open channel flowmeter utilizing surface velocity and lookdown level devices
US5594179A Tracer type flowmeter and method using two or more injected trace materials
US5684250A Self-calibrating open-channel flowmeter
US5644088A Port forward sensor for liquid level gauge or flowmeter
US5544531A Flowmeter having active temperature compensation
US5421211A Liquid flowmeter including doppler signal processing, and method
US5398552A Magnetic flowmeter having a separable magnetic assembly
AU3326293A Pump station flowmeter with high frequency detector
US5263374A Flowmeter with concentrically arranged electromagnetic field
EP0305609A1 Averaging velocity sensor for measuring fluid flow in a conduit
US4549434A Pressure level sensor
US4459858A Flow meter having an electromagnetic sensor probe
US4083246A Fluid flow meter
US4015471A Spherical electromagnetic water current velocity sensor with protruding electrodes
US3885433A Apparatus for measuring the velocity of flow of an electrically conductive fluid
US3898881A Apparatus for measuring the velocity of flow of an electrically conductive fluid