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IND INSTR INC

Overview
  • Total Patents
    12
About

IND INSTR INC has a total of 12 patent applications. Its first patent ever was published in 1940. It filed its patents most often in United States and Canada. Its main competitors in its focus markets measurement, control and machines are SHABALIN VLADIMIR NIKOLAEVICH, B M L KK and ROC IMP.

Patent filings in countries

World map showing IND INSTR INCs patent filings in countries
# Country Total Patents
#1 United States 11
#2 Canada 1

Patent filings per year

Chart showing IND INSTR INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Robert Rosenthal 5
#2 Cunniff Leo C 3
#3 Meixner Arthur E 2
#4 Charles Wood 2
#5 Rubricius Jeanette L 1
#6 Sperry Iii Elmer A 1
#7 Harold Pallatz 1
#8 Nathan Schnoll 1

Latest patents

Publication Filing date Title
US3382429A Method of and apparatus utilizing bridge for measuring conductivity
US3398369A High voltage metering system
US3252319A Dew point device with proportional control circuit
US3142986A Thermoelectric dew point hygrometer
US2933094A Pickling bath instrumentation
US2939070A Conductivity cell
US2972103A Portable recording instrument
US2928406A Solution conductivity measuring and controlling apparatus
US2764892A Combination conductivity and temperature indicator
US2729099A Apparatus for measuring moisture of soil
US2263932A Electronic signal indicator and circuit therefor
CA616857A Blood loss determining device