Assignee
PRIGNITZ HERBERT
DE·4 granted patents·56 citations·filing 1988–1991
Top patents by PatentIndex Score
4 records- 0168US4981427ADouble belt moulding machinePRIGNITZ HERBERT·Filed 1989·Granted Jan 1, 1991·31 cites·9 claims
- 0251US4977711AThermal insulation material as insulating and sealing layer for roof areasPRIGNITZ HERBERT·Filed 1988·Granted Dec 18, 1990·15 cites·23 claims
- 0330US5207047AMethod and apparatus for discharging a foamed material mixture, and the thermal insulation material produced therebyPRIGNITZ HERBERT·Filed 1989·Granted May 4, 1993·9 cites·20 claims
- 0418US5270347AProcess for the manufacture of polyurethane foamed plasticsPRIGNITZ HERBERT·Filed 1991·Granted Dec 14, 1993·1 cites·3 claims
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