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PERKINS GLEN E

Overview
  • Total Patents
    12
About

PERKINS GLEN E has a total of 12 patent applications. Its first patent ever was published in 1954. It filed its patents most often in United States and Canada. Its main competitors in its focus markets civil engineering, machines and transport are POWER CURBERS INC, WIRTGEN REINHARD and HOFFMANN GEB EISLER ELISABETH.

Patent filings in countries

World map showing PERKINS GLEN Es patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 3

Patent filings per year

Chart showing PERKINS GLEN Es patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Perkins Glen E 12
#2 Dale George W 11

Latest patents

Publication Filing date Title
US3905714A Method for restoring concrete road surfaces
US3331296A Apparatus for making continuously reinforced paving
US3347139A Spreader and slip-form paver combination
US3247770A Road making
US2993257A Trail forms for paving machines
US2976784A Road making machine
US2970392A Strip subgrader for roads
US2869931A Movable carriage for mobile vehicles
US2976783A Slip-form paving machine
CA615774A Movable carriage for mobile vehicles
CA615775A Road construction machine
CA615773A Machine for road construction