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PORVAIR LTD

Overview
  • Total Patents
    199
About

PORVAIR LTD has a total of 199 patent applications. Its first patent ever was published in 1964. It filed its patents most often in United Kingdom, Germany and Canada. Its main competitors in its focus markets machines, consumer goods and surface technology and coating are HERBERT LINDEMANN, FOAM CUTTING ENG and SPONCEL LTD.

Patent filings per year

Chart showing PORVAIR LTDs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Warwicker Eric Albert 18
#2 Cunningham Victor Ralph 11
#3 Price David 11
#4 Cunningham V 7
#5 Hull Graham Rodney 7
#6 Boutle David L 6
#7 Cunningham Victor R 6
#8 Victor Ralph Cunningham 5
#9 Boutle David Leonard 5
#10 Hathorn G 5

Latest patents

Publication Filing date Title
GB9523069D0 Printing blankets
GB9518846D0 Moulds
GB9022311D0 Porous plastics materials
GB9022312D0 Porous plastics materials
GB8802876D0 Improvements in clothing
GB8802933D0 Porelle/stretchable fabric composite & socks therefrom
GB8525867D0 Gloves
GB8525868D0 Gloves
GB8525866D0 Gloves
GB8525869D0 Gloves
GB8525870D0 Gloves
GB8426543D0 Moulds
GB2114585A Leather-like materials
GB2107644A Laminated products
GB2089288A Printing blankets
GB2060481A Jointing Techniques
GB2031901A Microporous materials
ES474221A1 Prodn. of micro-porous material for battery separators - with high porosity and permeability, from rigid PVC
DE2746815A1 Microporous unplasticised PVC prepn. used esp. as battery separator - by removing filler from coagulated PVC
ES463319A1 Procedure for obtaining a microporous material for battery separators. (Machine-translation by Google Translate, not legally binding)