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RELIANCE GAUGE COLUMN COMPANY

Overview
  • Total Patents
    27
About

RELIANCE GAUGE COLUMN COMPANY has a total of 27 patent applications. Its first patent ever was published in 1912. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets measurement, machines and mechanical elements are MKS JAPAN INC, LATTIMER STEVENS COMPANY and DANA YOSSI.

Patent filings in countries

World map showing RELIANCE GAUGE COLUMN COMPANYs patent filings in countries
# Country Total Patents
#1 United States 25
#2 Canada 1
#3 Germany 1

Patent filings per year

Chart showing RELIANCE GAUGE COLUMN COMPANYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Rowland Brown John 20
#2 Mullinnix John C 6
#3 Brownell Dean H 2
#4 Brown John Rowland 1
#5 Cleland Chester C 1
#6 Sams Gearold E 1
#7 Sams Gerald E 1
#8 Hale George W 1
#9 Fording William G 1
#10 Lee Gilbert Roy 1

Latest patents

Publication Filing date Title
US2869368A Electrical water gauge
US2777914A Magnetic switch
US2748379A Long probe manometer
US2678434A Electrically operated boiler alarm control device
US2547742A Electrical alarm switch
US2227405A Plural valve control
US2215660A Liquid gauge apparatus
US2225608A Safety liquid level gauge apparatus
US2183422A Boiler signal control
US2036777A Illuminated liquid level gauge
US2065646A High pressure liquid level gauge
US1887213A Gauge cock
US1932767A High pressure liquid level gauge
US1925433A Liquid-level gauge
US1738689A Float and method of making same
US1886159A Gauge cock
US1560017A Method of making metallic floats
US1584007A Valve seat
US1492350A Hollow metal-coated article
US1599608A Electroplated aricle and method of making same