Inventor
WINTERMANTEL ERICH
DE15 patents
⚠️ This page may combine multiple inventors who share the name “WINTERMANTEL ERICH”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
WINTERMANTEL ERICH
4 patentsUS4132577AJan 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