Inventor
SIEWERT WOLFGANG
DE8 patents
⚠️ This page may combine multiple inventors who share the name “SIEWERT WOLFGANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
ESCHER WYSS GMBH
7 patentsUS4306975ADec 22, 1981
Sieve apparatus containing a rotatable circular sieve
ESCHER WYSS GMBH33 citations91
US4283275AAug 11, 1981
Apparatus for processing waste paper
ESCHER WYSS GMBH36 citations89
US4538765ASep 3, 1985
Method for defiberizing waste paper in a thick stock range
ESCHER WYSS GMBH25 citations79
US4784764ANov 15, 1988
Arrangement for the flocculation of flocculatable substances in suspensions, particularly for the purification of the backwater of deinking installations for waste paper processing
ESCHER WYSS GMBH22 citations76
US5257698ANov 2, 1993
Cleaner for stock suspensions
ESCHER WYSS GMBH8 citations72
US4601819AJul 22, 1986
Sorting apparatus for fiber stock, especially for manufacturing paper
ESCHER WYSS GMBH15 citations71
US4557826ADec 10, 1985
Method of and apparatus for separating tacky contaminants from a stock suspension
ESCHER WYSS GMBH5 citations54