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MARTENSON DONALD S

Overview
  • Total Patents
    11
About

MARTENSON DONALD S has a total of 11 patent applications. Its first patent ever was published in 1975. It filed its patents most often in United States and Canada. Its main competitors in its focus markets thermal processes and furniture and games are SUPRA APP CHAUFFAGE CUISINE, PELZER BERNHARD and HICKIE DANIEL.

Patent filings in countries

World map showing MARTENSON DONALD Ss patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 2

Patent filings per year

Chart showing MARTENSON DONALD Ss patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Thermal processes
#2 Furniture and games

Focus technologies

# Technology
#1 Domestic stoves for solid fuels
#2 Kitchen equipment

Top inventors

# Name Total Patents
#1 Martenson Donald S 11

Latest patents

Publication Filing date Title
US4611572A Low emission stove
US4483312A Free standing stove
US4426992A Free standing stove
US4359040A Free standing stove
US4328783A Portable paper burning cookstove
CA1130683A Combination fireplace furnace and cookstove
US4305373A Fireplace furnace
CA1111729A Fireplace furnace with heat exchange tubes
US4166444A Fireplace furnace with heat exchange tubes
US4015581A Fireplace heater