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POLYSTAR PACKAGING INC

Overview
  • Total Patents
    41
About

POLYSTAR PACKAGING INC has a total of 41 patent applications. Its first patent ever was published in 1989. It filed its patents most often in United States, Australia and WIPO (World Intellectual Property Organization). Its main competitors in its focus markets machines, packaging and shipping and machine tools are PORTOLA PACKAGING INC, EUROP LAITIERE and BAPCO CLOSURES RES LTD.

Patent filings per year

Chart showing POLYSTAR PACKAGING INCs patent filings per year from 1900 to 2020

Focus industries

# Industry
#1 Machines
#2 Packaging and shipping
#3 Machine tools

Top inventors

# Name Total Patents
#1 Roth Donald J 25
#2 Heyn William M 23
#3 Fraser Robert W 14
#4 Sauer Donald G 12
#5 Hekal Ihab 11
#6 Roth David J 4

Latest patents

Publication Filing date Title
US5950861A Press-on closure with peelable end panel
US5697514A Container and closure with in-turned seam
WO9416963A1 Peelable heat seal
US5634567A Heat bondable container closure
US5246134A Press-on closure with peelable end panel
US5273416A Apparatus for making an injection molded frame having a panel insert
AU7165991A A container closure and method for producing same
US5085339A Reclosable container closure
US5125528A Container closure, and method for producing same