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PORTLAND PLASTICS LTD

Overview
  • Total Patents
    12
About

PORTLAND PLASTICS LTD has a total of 12 patent applications. Its first patent ever was published in 1938. It filed its patents most often in United Kingdom, United States and Canada. Its main competitors in its focus markets medical technology, machines and pharmaceuticals are ICET INC, CHVAPIL MILOS and NORTHERN ILLINOIS RES INC.

Patent filings in countries

World map showing PORTLAND PLASTICS LTDs patent filings in countries
# Country Total Patents
#1 United Kingdom 3
#2 United States 3
#3 Canada 2
#4 Germany 1
#5 Denmark 1
#6 Spain 1
#7 France 1

Patent filings per year

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

Top inventors

# Name Total Patents
#1 Arthur Leader Sidney 3
#2 Leader Sidney Arthur 2
#3 Alpin Leonard 1
#4 Leader Sidney A 1
#5 Joseph Gordon James 1
#6 Schulz Hans Herbert 1
#7 Gordon James Joseph 1

Latest patents

Publication Filing date Title
GB970892A Intravenous cannula set
ES220815A3 A procedure for obtaining adhesive, liquid or pastose compositions (Machine-translation by Google Translate, not legally binding)
US2624690A Adhesive compositions comprising polymerized methyl methacrylate, an ester of salicylic acid and an organic solvent
US2420545A Dental flask
GB589701A Synthetic resinous materials
DE881988C Ball injection
CA456596A Resinous composition opaque to x-rays
CA527658A Adhesive compositions