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EQUIPMENT DEV COMPANY INC

Overview
  • Total Patents
    20
About

EQUIPMENT DEV COMPANY INC has a total of 20 patent applications. Its first patent ever was published in 1959. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets machines, civil engineering and machine tools are EQUIPMENT DEV CO INC, VESPER CORP and OLSON IRRIGATION SYSTEMS.

Patent filings in countries

World map showing EQUIPMENT DEV COMPANY INCs patent filings in countries
# Country Total Patents
#1 United States 13
#2 United Kingdom 3
#3 Germany 2
#4 Switzerland 1
#5 France 1

Patent filings per year

Chart showing EQUIPMENT DEV COMPANY INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Swan Leo 7
#2 Harding William R 3
#3 Ward James E 2
#4 Smith Edmund Gregory 2
#5 M Harding Jun Edward 1
#6 Edward Morton Jr Harding 1
#7 Cocchiarella Otell Mario 1
#8 Smith Edmund G 1
#9 Morton Harding Edward 1
#10 Harding Jr Edward M 1

Latest patents

Publication Filing date Title
US7192339B1 Grinder disc, insert holder and insert assembly
US7302946B1 Industrial scarifier assembly
US6942069B1 Braking system for a wheeled abrading machine
US5746193A Press assembly for a portable masonry cut-off saw
US5251367A Pneumatically driven descaling tools
US5129708A Wooden floor stripping machine
US5184382A Pneumatically driven descaling tool
US5147146A Variable pitch power trowel
US4953523A Quick release mechanism for the tool of a concrete/asphalt abrader
US4714294A Drum and cutter assembly for a planing machine
US4702223A Diamond grinder assembly and snap-fit mounting means for scarifier case
US4367880A Transport device for wheelless power driven equipment
GB974638A Improvements in presses
US3117927A Sludge thickener
GB891729A Improvements in rotary filters