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HUETZEN HANS WILHELM

Overview
  • Total Patents
    12
About

HUETZEN HANS WILHELM has a total of 12 patent applications. Its first patent ever was published in 1985. It filed its patents most often in Germany, EPO (European Patent Office) and Finland. Its main competitors in its focus markets machines, civil engineering and macromolecular chemistry and polymers are ZOTEFOAMS PLC, PETRITECH INC and SEKISUI PLASTICS.

Patent filings per year

Chart showing HUETZEN HANS WILHELMs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Huetzen Hans Wilhelm 9
#2 Nelsen Heinz-Peter 2
#3 Hutzen H M 1
#4 Merbecks Guenter 1

Latest patents

Publication Filing date Title
LTIP690A Polyurethane foam and process for the production them
FI906247A0 Polyuretanskummaterial fritt fraon halogeniserade kolvaeten, och foerfarande foer dess framstaellning.
DE4026893A1 Polyurethane insulating foam free from halo-hydrocarbon cpds. - produced using lower alkane as blowing agent and added phosphate ester
WO9012841A1 Polyurethane foam material free of halogenated hydrocarbons and process for producing the same
DE4003718A1 Polyurethane foam prepn.
DE3936227A1 Polyurethane foam prepn.
DE3710230A1 Panel-shaped construction element
DE3531164A1 Floor-heating system and method of manufacturing it
DE3531163A1 Manually activated film-welding implement