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PILKINGTON BROTHERS LTD

Overview
  • Total Patents
    4,459
About

PILKINGTON BROTHERS LTD has a total of 4,459 patent applications. Its first patent ever was published in 1911. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets machines, materials and metallurgy and environmental technology are KIBOL VIKTOR F, JIAN QUAN GLASS DEV COMPANY LTD and NIPPON SEKIEI GLASS KK.

Patent filings per year

Chart showing PILKINGTON BROTHERS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Lawrenson Jack 52
#2 Loukes David Gordon 49
#3 Waldron Frederic Barnes 47
#4 Loukes D 42
#5 Barnes Waldron Frederic 41
#6 Loukes David G 39
#7 Lawrenson J 38
#8 Dickinson George A 34
#9 Dickinson G 31
#10 Dickinson George Alfred 27

Latest patents

Publication Filing date Title
IE871171L Photochromic articles.
CN1026779C Coated products
JPS60236896A Window panel
JPS60247554A Shock-resistant laminate
IE850783L I.r. reflective glass
MY8300248A Improvements in or relating to the thermal treatment of glass
US4372774A Thermal treatment of glass
FI812164L Cementsammansaettning innehaollande glasfibrer saosom foerstaerkningsmaterial
GB2094383A Double glazing
GB2092627A Apparatus for separating and feeding chopped fibres
IE810159L Alkali resistant glass fibres and cementitious products reinforced with such glass fibres
ZA8100161B Optical glass fibres and methods of forming such fibres
GB2067986A Optical glass fibre and methodsa of forming such fibres
IE802088L Treating articles with particulate material
GB2059943A Photochromic glasses
BR8006255A Photochromic aluminum phosphate glass
ZA8004906B Structural glass assemblies
BR8004828A Process to produce a photochromic glass and photochromic glass obtained
GB2055793A Method of preparing photochromic glass
US4343116A Processes for finishing glass surfaces