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GIBBS BLACKSTOCK

Overview
  • Total Patents
    19
About

GIBBS BLACKSTOCK has a total of 19 patent applications. Its first patent ever was published in 1928. It filed its patents most often in United States, United Kingdom and Germany. Its main competitors in its focus markets mechanical elements, machines and transport are IVG AUSTRALIA, REISCH MATTHIAS and SATELLITE GEAR SYSTEMS LTD.

Patent filings in countries

World map showing GIBBS BLACKSTOCKs patent filings in countries
# Country Total Patents
#1 United States 10
#2 United Kingdom 6
#3 Germany 3

Patent filings per year

Chart showing GIBBS BLACKSTOCKs patent filings per year from 1900 to 2020

Focus industries

Top inventors

# Name Total Patents
#1 Gibbs Blackstock 10

Latest patents

Publication Filing date Title
US2318283A Self-locking freewheel clutch
US2255309A Reversible freewheel device
GB386024A Improvements in and relating to reversible free-wheel clutch transmissions
GB387022A Improvements in and relating to semi-automatic roller clutch transmission
GB384710A Roller clutches and variable speed gear mechanisms
US1942198A Automatic roller clutch transmission
US1942197A Reversible freewheel clutch transmission
US1947374A Semiautomatic roller clutch transmission
GB377733A Improvements in and relating to automatic friction clutch and transmission
US1909607A Automatic friction clutch and transmission
GB353010A Improvements in and relating to change gear devices
GB349492A Improvements in and relating to change gear devices
US1877383A Change gear device
US1909608A Change gear device
US1733002A Change-gear device
US1728325A Change-gear device