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SELLMAN DONALD L

Overview
  • Total Patents
    12
About

SELLMAN DONALD L has a total of 12 patent applications. Its first patent ever was published in 1968. It filed its patents most often in Canada, United States and Germany. Its main competitors in its focus markets engines, pumps and turbines, environmental technology and chemical engineering are VANDERHYE ROBERT A, STORK PROD ENG and CYGNUS POWER CO LTD.

Patent filings in countries

World map showing SELLMAN DONALD Ls patent filings in countries
# Country Total Patents
#1 Canada 6
#2 United States 4
#3 Germany 1
#4 United Kingdom 1

Patent filings per year

Chart showing SELLMAN DONALD Ls patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sellman Donald L 10
#2 L Sellman Donald 1
#3 Sellman Donald L South Rd Stre 1

Latest patents

Publication Filing date Title
CA1056732A Wind motors
US4017204A Wind motors
US3986786A Wind motors
US3988072A Wind motors
US4129106A Vapor lock and fuel vaporization controls
CA960239A Amusement spinning device
GB1158531A Removable Element Type Sediment Trap for Liquid Flow Lines
CA852564A Removable element type filter traps
CA843667A Fish hook hone
CA769864A Stropper-hones
CA252119A Rotary engine