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NEPTUNE METER CO

Overview
  • Total Patents
    171
About

NEPTUNE METER CO has a total of 171 patent applications. Its first patent ever was published in 1903. It filed its patents most often in United States, Canada and United Kingdom. Its main competitors in its focus markets measurement, packaging and shipping and machines are GRANBERG METER CORP, LIBERTY SHARE CORP and ALFONS HAAR MASCHB GMBH & CO.

Patent filings in countries

World map showing NEPTUNE METER COs patent filings in countries
# Country Total Patents
#1 United States 146
#2 Canada 21
#3 United Kingdom 2
#4 Germany 1
#5 France 1

Patent filings per year

Chart showing NEPTUNE METER COs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hazard Charles S 54
#2 Marden William L 46
#3 Burton James M 12
#4 Dilts Henry I 9
#5 Thomson John 7
#6 Gamon Ernest E 6
#7 Bugg Kenly C 5
#8 Barber Ronald B 4
#9 Kampf Harry E 3
#10 Southall Kenneth 3

Latest patents

Publication Filing date Title
US3631709A High-speed calibration of liquid flow meters
US3603144A Torque meter
US3604265A Fluid-driven mass flowmeter
US3599895A Tape cartridge latching mechanism
US3577123A Meter reading system
US3614774A Analog-to-digital shaft encoder with antiambiguity binary digital code output
US3534604A Watermeter with freeze protection and indication
US3534603A Cover for meter register
US3442126A Magnetic coupling
US3434345A Oscillating piston-type flow meter
US3430537A Oscillating piston meter
US3359708A Gas and liquid separating apparatus
US3372591A Flowmeter
US3364743A Turbine flowmeter
US3132513A Temperature compensating mechanism for gas meters
US2904251A Automatic resetting predetermining register
US2828648A Reversible variable ratio drive mechanism
US2872155A Operating mechanism for rotatable plug valve
US2693196A Apparatus for dispensing measured quantities of liquid
US2561280A Oscillating piston meter