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HYDRAULIC CRUSHERS LTD

Overview
  • Total Patents
    17
About

HYDRAULIC CRUSHERS LTD has a total of 17 patent applications. Its first patent ever was published in 1959. It filed its patents most often in Canada, United States and Germany. Its main competitors in its focus markets machines and mechanical elements are SHARP RODNEY WARWICK, SYMONS BROTHERS COMPANY and WIGAND G.

Patent filings in countries

World map showing HYDRAULIC CRUSHERS LTDs patent filings in countries
# Country Total Patents
#1 Canada 5
#2 United States 5
#3 Germany 3
#4 France 3
#5 United Kingdom 1

Patent filings per year

Chart showing HYDRAULIC CRUSHERS LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machines
#2 Mechanical elements

Top inventors

# Name Total Patents
#1 Gauldie Kenneth 10
#2 Kenneth Gauldie 4
#3 Kenneth Ganldie 1

Latest patents

Publication Filing date Title
US3222867A Balanced rotary commutating valve
US3160353A Thrust transmitting device
US3170644A Thrust transmitting apparatus for jaw crushers
GB903380A Improvements in or relating to release valves
US3097665A Pilot operated release valve structure
US3024609A Hydraulically operated jaw crushers
CA667697A Hydraulically operated jaw crushers
CA684332A Balanced rotary commutating valve
CA667382A Power transmitting device for hydraulically operated jaw crushers
CA719172A Thrust transmitting device
CA712052A Thrust transmitting apparatus