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DON MFG COMPANY

Overview
  • Total Patents
    14
About

DON MFG COMPANY has a total of 14 patent applications. Its first patent ever was published in 1946. It filed its patents most often in United States and Canada. Its main competitors in its focus markets thermal processes and control are HEDLY SVEN, SHANGHAI SHENGFENG BUILDING MATERIAL TECHNOLOGY CO LTD and BRUNE PIT JUERGEN.

Patent filings in countries

World map showing DON MFG COMPANYs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 5

Patent filings per year

Chart showing DON MFG COMPANYs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Copping Bruce G 12
#2 Huszagh Ralph D 1
#3 Gray Copping Bruce 1

Latest patents

Publication Filing date Title
US2663498A Temperature regulating system
US2630505A Pressure sensitive control device
US2656112A Automatic conditioned air system with compensation for clogging filter
US2628032A Automatic thermostatic control device
US2523499A Automatic thermostatic register
US2523498A Automatic thermostatic register
US2537121A Temperature regulating system
US2523497A Thermostatically controlled ventilator
US2516879A Thermostatically operated room ventilator
CA471644A Automatic thermostatic registers
CA472135A Ventilators
CA491321A Apparatus for the conversion of motion
CA504973A Pressure sensitive control device for heating and air conditioning systems and methods of control practiced thereby
CA471645A Automatic thermostatic registers