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DITTER FRANCIS J

Overview
  • Total Patents
    14
About

DITTER FRANCIS J has a total of 14 patent applications. Its first patent ever was published in 1928. It filed its patents most often in Canada and United States. Its main competitors in its focus markets transport, machines and packaging and shipping are LANDES WESLEY K, HAMILTON STANDARD PROPELLER CO and PIASECKI HELICOPTER CORP.

Patent filings in countries

World map showing DITTER FRANCIS Js patent filings in countries
# Country Total Patents
#1 Canada 7
#2 United States 7

Patent filings per year

Chart showing DITTER FRANCIS Js patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Transport
#2 Machines
#3 Packaging and shipping

Top inventors

# Name Total Patents
#1 Ditter Francis J 14
#2 Kaercher William C Jr 2
#3 Kaercher Jr William C 1

Latest patents

Publication Filing date Title
US2873789A Protective tape applicator
US2532611A Aircraft ski
US2532610A Aircraft ski
US2625350A Vane controlled stabilizing rigging for aircraft landing skids
US2522350A Aircraft ski with adaptable mounting bushing
US2539817A Aircraft ski
US1833210A Ski for aeroplanes
CA470283A Rigging for aircraft landing skids
CA470285A Aircraft skis
CA666264A Cut-off attachment for sod cutting machines
CA641732A Protective tape applicator
CA470284A Aircraft skis
CA470282A Aircraft skis
CA470281A Aircraft skis