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RODDIS PLYWOOD CORP

Overview
  • Total Patents
    11
About

RODDIS PLYWOOD CORP has a total of 11 patent applications. Its first patent ever was published in 1947. It filed its patents most often in United States, Canada and Germany. Its main competitors in its focus markets machines, civil engineering and machine tools are COLUMBIA MILLS, JOANNA WESTERN MILLS CO and ARANAR INC.

Patent filings in countries

World map showing RODDIS PLYWOOD CORPs patent filings in countries
# Country Total Patents
#1 United States 5
#2 Canada 1
#3 Germany 1
#4 Denmark 1
#5 Spain 1
#6 France 1
#7 United Kingdom 1

Patent filings per year

Chart showing RODDIS PLYWOOD CORPs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machines
#2 Civil engineering
#3 Machine tools

Top inventors

# Name Total Patents
#1 Ropella Leonard A 3
#2 Faussner Matthew G 2
#3 Waldherr Joseph J 1
#4 Ropella Leonhard Antone 1
#5 Ropella Leonard Antone 1

Latest patents

Publication Filing date Title
ES234669A1 Construction of fire proof door (Machine-translation by Google Translate, not legally binding)
GB826059A Fireproof door construction
US2797450A Fireproof door construction
US2859187A Fireproof door core of phenol formal-dehyde, wood chips and diammonium phosphate
US2668788A Method of forming a hollow core plywood door
US2622999A Method for making honeycomb core doors
US2617321A Machine for forming cores for veneered doors
CA593911A Fireproof door construction