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DAVID CRABTREE AND SON LTD

Overview
  • Total Patents
    19
About

DAVID CRABTREE AND SON LTD has a total of 19 patent applications. Its first patent ever was published in 1934. It filed its patents most often in United Kingdom, Canada and United States. Its main competitors in its focus markets textiles and paper are WEBSTUHLBAU GROSSENHAIN VEB, JUAN PICANOL CAMPS and ICBT DIEDERICHS SA.

Patent filings in countries

World map showing DAVID CRABTREE AND SON LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 15
#2 Canada 2
#3 United States 2

Patent filings per year

Chart showing DAVID CRABTREE AND SON LTDs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Textiles and paper

Focus technologies

Top inventors

# Name Total Patents
#1 Felton William 2
#2 William Felton 1
#3 William Fclton 1

Latest patents

Publication Filing date Title
GB664537A Improvements in or relating to selecting mechanisms for jacquard operated gripper looms
GB552829A Improvements in or relating to selector bars for jacquards
GB528285A In looms for weaving, the substituting of weft charged shuttles for those from which the weft has been depleted
GB528634A Detector mechanism for indicating the depletion or substantial depletion of weft in looms
GB525435A Improvements in the selecting mechanism of jacquard operated gripper looms for pile fabrics
GB492054A Stop mechanism in connection with the thread securing the weft in needle looms
US2149428A Weft inserting mechanism for looms
GB481531A Take-up mechanism for looms
GB476451A Improvements in mechanism for operating the gripper-jaws in looms for weaving pile or tufted fabrics
GB478598A Weft tension regulating devices for needle looms
GB475265A Improvements in weft inserting mechanism for looms
GB466608A Gripper operating mechanism of looms for weaving pile fabrics
US2097366A Thread and gripper guiding device for the spool frames of looms for weaving tufted or pile fabrics
GB454380A Brake devices for the tufted warp spools of looms for weaving
GB445773A Improvements in thread and gripper guiding devices for the spool frames of looms forweaving tufted or pile fabrics
GB436738A Improvements in looms having needles or weft carriers which insert the weft into thefabric in loop form
GB434749A Improvements apertaining to weft supplying mechanism of looms for weaving two separate fabrics
CA656729A Apparatus for making tufted fabric
CA590362A Method of and apparatus for making carpets