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CHRISTIAN HAMILTON GRAY

Overview
  • Total Patents
    48
About

CHRISTIAN HAMILTON GRAY has a total of 48 patent applications. Its first patent ever was published in 1903. It filed its patents most often in France, United Kingdom and United States. Its main competitors in its focus markets machines, transport and consumer goods are UNIROYAL GOODRICH LICENSING, PIRELLI PNEUMATICHI S P A and TRIANGLE TYRE CO LTD.

Patent filings in countries

World map showing CHRISTIAN HAMILTON GRAYs patent filings in countries
# Country Total Patents
#1 France 25
#2 United Kingdom 16
#3 United States 4
#4 Germany 3

Patent filings per year

Chart showing CHRISTIAN HAMILTON GRAYs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Gray Christian Hamilton 25
#2 Sloper Thomas 15

Latest patents

Publication Filing date Title
GB349276A Improvements in or relating to leather covered rollers for drawing, roving or spinning fibres
GB325916A Improvements in or relating to the impregnation of textile filaments with rubber
GB321999A Improvements in or relating to universal joints
GB285575A Improvements in or relating to rollers covered with rubber or other resilient material
GB282502A Improvements in or relating to method of and apparatus for the vulcanisation of rubber or like coverings on hollow articles
GB276047A An improved process and apparatus for covering cylindrical rollers with rubber
GB268133A Improvements in or relating to endless conveyors
GB229004A Improvements in or relating to the manufacture of hollow articles of rubber
GB226272A Improvements in or relating to a method of and means for vulcanising articles in fluids
GB213332A An improved manufacture of rubber-coated wire
GB166359A Improvements in or relating to the purification of india rubber, gutta percha and the like
GB154077A Improvements in or relating to a process and apparatus for use in the manufacture ofmoulds
GB159993A Improvements in or relating to means for filling hollow elastic bodies
GB159631A Improvements in or relating to tensioning-means for machines for winding thread or the like
GB159630A Improvements in or relating to machines for winding balls of thread or the like
GB147279A Improvements in or relating to endless bands
US781687A Former or mold for making pneumatic tires or the like.
US771674A Fastening device for pneumatic tires.
US783574A Cord for the manufacture of rubber fabric.
US799374A Rubber fabric.