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GEORGE P CARROLL

Overview
  • Total Patents
    18
About

GEORGE P CARROLL has a total of 18 patent applications. Its first patent ever was published in 1901. It filed its patents most often in United States. Its main competitors in its focus markets mechanical elements, machines and control are EMERSON PROCESS MANAGEMENT REGULATOR TECHNOLOGIES INC, KNEBEL & ROETTGER FA and BRYAN DONKIN CO LTD.

Patent filings in countries

World map showing GEORGE P CARROLLs patent filings in countries
# Country Total Patents
#1 United States 18

Patent filings per year

Chart showing GEORGE P CARROLLs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Roehrich Frank N 15
#2 Schmidt Louis M 1
#3 Cooper George L 1
#4 Singer William F 1

Latest patents

Publication Filing date Title
US1097595A Diaphragm and casing construction.
US1217106A Check-valve mechanism.
US1172765A Check-valve mechanism.
US1172740A Refrigerator-thermostat.
US1132619A Ammonia-pipe union.
US1184418A Check-valve mechanism.
US1096825A Quick-motion controller.
US1096824A Controlling mechanism for refrigerating-machines.
US1125059A Sparkless thermostat.
US1115502A Automatic condenser.
US1172739A Condenser water-valve.
US1045187A Ammonia-stop valve.
US1137051A Automatic expansion-valve.
US959609A Electric valve.
US959618A Electric valve.
US1059977A Safety instantaneous water-heater.
US740704A Valve.
US706024A Switch-operating mechanism.