Assignee
WINTERMANTEL ERICH
4 patents
Top patents by PatentIndex Score
US4132577AJan 2, 1979
Process for producing hollow profiled structures, and structures produced thereby
WINTERMANTEL ERICH31 citations91
US4412880ANov 1, 1983
Process for producing hollow profiled structures, and structures produced thereby
WINTERMANTEL ERICH17 citations81
US4799822AJan 24, 1989
Profile elements, particularly for supply and/or removal of substances from environmental and/or flow material
WINTERMANTEL ERICH11 citations68
US5229055AJul 20, 1993
Method and apparatus of producing hollow profiles from multilayer starting material
WINTERMANTEL ERICH4 citations57