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PORELON

Overview
  • Total Patents
    42
About

PORELON has a total of 42 patent applications. Its first patent ever was published in 1972. It filed its patents most often in United States, Australia and Canada. Its main competitors in its focus markets textiles and paper, machines and packaging and shipping are KAPLO JOSEPH J, HUNDHAUSEN RUDOLF and NOSOV IGOR STEPANOVICH.

Patent filings per year

Chart showing PORELONs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Hansen Frederick C 6
#2 Hansen F 4
#3 Ooms Willem 4
#4 Piepmeier Jr Arthur L 3
#5 Nunally Charles M 3
#6 Hansen F C 3
#7 Beaver Robert 3
#8 Key Jonnie L 2
#9 Moss Frank R 2
#10 Hinton Stephanie S 2

Latest patents

Publication Filing date Title
US5277721A Method for making microporous marking structures
US5344483A High-density, low-viscosity ink for use in ink jet printers
US5292565A Ink roll for high speed printing
EP0438067A2 Self inking hand stamp
US5105738A Articulated hand stamp
US5049432A Method for preparing a marking structure
US5099997A Package for dispensing a fluid containing an ink
US4927695A Microporous marking structures
US4913050A Self-metering gravity fed ink dispensing roller
CA1299441C Self metering gravity fed ink dispensing roll
US4884505A Method and apparatus for printing a light scannable image
US4824621A Method for making an ink-impregnated material
US4768437A High contrast printing material
US4676162A Rubber stamp
SE8400394D0 Document stamp
US4091914A Wear-activated ribbon reinker
GR65304B Multi-layered marking structure
ATA626675A Multiple layer device for delivering print ink
KR800000257B1 Multi-layered marking structure
US3971315A Macroporous microporous marking structure