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.
# | Country | Total Patents | |
---|---|---|---|
#1 | Germany | 6 | |
#2 | EPO (European Patent Office) | 1 | |
#3 | Finland | 1 | |
#4 | Lithuania | 1 | |
#5 | Norway | 1 | |
#6 | WIPO (World Intellectual Property Organization) | 1 | |
#7 | Yugoslavia (Serbia and Montenegro) | 1 |
# | Industry | |
---|---|---|
#1 | Machines | |
#2 | Civil engineering | |
#3 | Macromolecular chemistry and polymers | |
#4 | Surface technology and coating | |
#5 | Environmental technology | |
#6 | Thermal processes |
# | Name | Total Patents |
---|---|---|
#1 | Huetzen Hans Wilhelm | 9 |
#2 | Nelsen Heinz-Peter | 2 |
#3 | Hutzen H M | 1 |
#4 | Merbecks Guenter | 1 |
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 |