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POROUS PLASTICS LTD

Overview
  • Total Patents
    81
About

POROUS PLASTICS LTD has a total of 81 patent applications. Its first patent ever was published in 1963. It filed its patents most often in France, United Kingdom and Germany. Its main competitors in its focus markets machines, consumer goods and medical technology are SPECIALTY CONVERTERS, ORAC HOLDING NV and TALALAY JOSEPH ANTON.

Patent filings per year

Chart showing POROUS PLASTICS LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Sharp Frank 15
#2 Davidson Roderick Iain 10
#3 Clegg Joseph 9
#4 Hornsby Peter Ridsdale 7
#5 Boutle David Leonard 4
#6 Charman Keith 3
#7 Wyness Keith Gordon 3
#8 Balkham Arthur 2
#9 David Leonard Boutle 2
#10 Joseph Clegg 2

Latest patents

Publication Filing date Title
GB9009276D0 Sintered bodies
GB9004990D0 Microwave treatment of articles and/or materials in a continuously operating microwave oven
GB8710833D0 Microwave heating
GB8527465D0 Method of producing a sintered product
DE1811762A1 Finishing surface of porous thermoplastic material
US3556304A Plastic filter candle
ES349086A1 Improvements relating to water vapour permeable flexible sheet materials
ES340453A1 Procedure to prepare a leather similar material. (Machine-translation by Google Translate, not legally binding)
FR1522739A Advanced surface treatment applicable to porous synthetic plastics
ES340332A2 Procedure for the treatment of natural or artificial fibrous surfaces. (Machine-translation by Google Translate, not legally binding)
GB1147184A Improvements relating to land drains
GB1146973A Improvements in or relating to porous materials
GB1148711A Improvements relating to artificial leather
GB1085347A Improvements relating to silencers for gaseous flow
GB1146972A Improvements relating to removable closure members for containers
IE28536L Microporous material
GB1132594A Improvements relating to artificial leather
GB1119573A Improvements relating to the production of vapour permeable flexible sheet materials
GB1122804A Improvements relating to the production of microporous polymeric plastics materials
GB1107782A Improvements relating to the making of microporous sheet material