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PERFECT VENTIL GMBH

Overview
  • Total Patents
    57
About

PERFECT VENTIL GMBH has a total of 57 patent applications. Its first patent ever was published in 1971. It filed its patents most often in Germany, EPO (European Patent Office) and United States. Its main competitors in its focus markets packaging and shipping, machines and medical technology are HAAS EDWIN J, MITANI VALVE CO LTD and Shanghai jienuode plastic products co ltd.

Patent filings per year

Chart showing PERFECT VENTIL GMBHs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Schmitz Detlef 21
#2 Kersten Jens-Heinrich 8
#3 Runte Peter 6
#4 Vollmerhaus Arno 5
#5 Niggemann Klaus Ing Grad 4
#6 Snoek Bob Johann 3
#7 Blank Diedrich 3
#8 Niggemann Klaus 3
#9 Schmidt Karl-Heinz 3
#10 Schmitz Detlef Dipl Ing 3

Latest patents

Publication Filing date Title
FI951705A0 Manually actuated pump
DE4332869A1 Dosing pump
DE4224910A1 Foam head
DE4219857A1 Deformable container for dispensing liquid
DE4216915A1 Pack for flowable contents
US5301846A Spray bottle
EP0475094A1 Liquid container with delivering valve and activation lever
DE4122364A1 SPRAY LOCK FOR A CONTAINER
DE4015480A1 CAP
DE3807156A1 AEROSOL CONTAINER
EP0197281A2 Liquid applicator device
DE3511154A1 Mixing and delivery device for substance components present in pressurised containers
AU1333583A Abgabeventil fur aerosoldsen
DE3217479A1 HYDROGENIC MIXTURE WITH AT LEAST ONE ACTIVE INGREDIENT
DE3207289A1 DISPENSING VALVE FOR AEROSOL CAN
GB2058229A An aerosol can
DE3014696A1 Pressure gas packet valve - has six each intermediate spaces and rib sections
DE2912081A1 VALVE FOR COMPRESSED GAS PACKINGS
DE2817393A1 SPRAY VALVE FOR AEROSOL CANS
DE2462210A1 Gas filling device for spray cans - with measuring piston connected to both filler head and gas pressure source