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WIRKKALA ALBERT R

Overview
  • Total Patents
    12
About

WIRKKALA ALBERT R has a total of 12 patent applications. Its first patent ever was published in 1951. It filed its patents most often in United States and Canada. Its main competitors in its focus markets packaging and shipping, civil engineering and transport are BERGERON RAYMOND E, TOBU JUKOGYO CO LTD and LIEBHERR HANS.

Patent filings in countries

World map showing WIRKKALA ALBERT Rs patent filings in countries
# Country Total Patents
#1 United States 9
#2 Canada 3

Patent filings per year

Chart showing WIRKKALA ALBERT Rs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wirkkala Albert R 12

Latest patents

Publication Filing date Title
US3268090A Articulated log skidder having a telescopic boom for throwing out the inhaul cable
US3282440A Rigging slinger embodying an extendable and retractable lazy tong boom
US3043442A Loading mechanism
US3003653A Log loader
US2916322A Grapple for handling logs or the like
US2878946A Mechanical means for extending the operating radius of a log loading boom
US2775492A Cushioned mountings for guide rollers of crawler tracks
US2786709A Log handling tongs
US2682120A Scoop adjustment for carry type scrapers
CA586597A Mechanical means for extending the operating radius of a log loading boom
CA660837A Loading mechanism
CA543527A Log handling tongs