Learn more

DREY SIMPSON & COMPANY LTD

Overview
  • Total Patents
    16
About

DREY SIMPSON & COMPANY LTD has a total of 16 patent applications. Its first patent ever was published in 1919. It filed its patents most often in United Kingdom, United States and Spain. Its main competitors in its focus markets chemical engineering, textiles and paper and packaging and shipping are COTONIFICIO CANTONI SPA, SULLIVAN WOODRUFF T and MANUFACTURES DE VELOURS ET PEL.

Patent filings in countries

World map showing DREY SIMPSON & COMPANY LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 7
#2 United States 4
#3 Spain 3
#4 Germany 2

Patent filings per year

Chart showing DREY SIMPSON & COMPANY LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Linley Byrd Hugh 4

Latest patents

Publication Filing date Title
ES171134A1 Improvements in the manufacture of materials for pads or absorb for shocks
GB353860A Improvements in or relating to the weaving of plush and like warp-pile fabrics
GB345612A Improvements in or relating to apparatus for drying yarn
GB332769A Improvements in or connected with machines for cutting the pile of weft-pile fabrics
GB331230A Improvements in or connected with machines for cutting the pile of weft-pile fabrics
DE491282C Thread tensioning device for the weft threads of looms with fixed weft bobbins
US1717090A Shuttleless loom for weaving fabrics
US1675330A Means for tensioning yarns or the like in looms, winding, doubling, and other textile machines
US1717089A Beat-up and weft-inserting mechanism for shuttleless looms
GB234880A Improvements in or relating to folding or pleating devices for use in machines for cutting the pile of weft-pile fabrics
GB166501A Improvements in or relating to machines for cutting weft-pile fabrics
GB166246A Improvements in or relating to machines for cutting weft-pile fabrics