Learn more

PRINCE SMITH & STELLS LTD

Overview
  • Total Patents
    102
About

PRINCE SMITH & STELLS LTD has a total of 102 patent applications. Its first patent ever was published in 1931. It filed its patents most often in United Kingdom, France and Germany. Its main competitors in its focus markets textiles and paper, packaging and shipping and civil engineering are HAMEL G M B H ZWIRNEREI UND SP, BIGAGLI FOND OFF and NPK TEXTILNO MASH.

Patent filings in countries

World map showing PRINCE SMITH & STELLS LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 50
#2 France 23
#3 Germany 12
#4 United States 11
#5 Spain 4
#6 Belgium 2

Patent filings per year

Chart showing PRINCE SMITH & STELLS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Wright Frank 15
#2 Feather Edmund Eric 9
#3 Speak John 5
#4 Frank Wright 4
#5 John Speak 3
#6 Barrett Walter 3
#7 Bates Eric 2
#8 Feather Edmund E 2
#9 Prince-Smith William 1
#10 Waite Harold 1

Latest patents

Publication Filing date Title
GB1172811A Improvements in or relating to the Removal and Replacement of Textile Coiler Cans.
ES291808A1 A title textile machine (Machine-translation by Google Translate, not legally binding)
GB988965A Improvements in fallers for gill boxes
GB993950A Improvements in worsted spinning machines
GB972567A Improvements in apparatus for detecting and correcting irregularities of thickness of a textile sliver
GB938298A Improvements in or relating to worsted spinning machines
GB871849A Improvements in textile twisting machines
GB888714A Improvements in textile spinning, doubling and twisting machines
GB878402A Improvements in textile drafting apparatus
GB864000A Improvements in spindles for textile twisting machines
DE1102617B Twisting machine
US2930181A Yarn supply means in textile twisting machines
DE1096259B Twisting machine
US2984964A Yarn supply means in textile twisting machines
GB874367A Improvements in textile twisting machines
GB867106A Improvements in textile twisting machines
US2922198A Drafting apparatus of textile spinning machines
GB846327A Improvements in textile ring spinning, doubling and twisting machines
GB831140A Improvements in cap spinning and twisting machines
GB832284A Improvements relating to textile spinning, doubling, twisting and cop-winding machines