Inventor · disambiguated record
Harald Selder
Also filed as: SELDER HARALD
10 granted patents·1 pending application·211 citations·filing 1975–2006
90Inventor score
Files withESCHER WYSS GMBH7VOITH PAPER PATENT GMBH2VOITH SULZER PAPIERTECH PATENT1VOITH SULZER STOFFAUBEREITUNG1
Top patents by PatentIndex Score
11 records- 0195US4011027AStain removal apparatusESCHER WYSS GMBH·Filed 1975·Granted Mar 8, 1977·90 cites·5 claims
- 0273US4909900AMethod for high temperature, high consistency quick bleaching of raw paper pulpESCHER WYSS GMBH·Filed 1989·Granted Mar 20, 1990·21 cites·15 claims
- 0373US4431482ADispersion apparatus for the preparation of waste paperESCHER WYSS GMBH·Filed 1981·Granted Feb 14, 1984·34 cites·10 claims
- 0466US4405450AMethod for fractionating fiber stock obtained from waste paper and apparatus for the performance of the aforesaid methodESCHER WYSS GMBH·Filed 1981·Granted Sep 20, 1983·21 cites·11 claims
- 0564US5958179AProcess for increasing pulp whiteness by bleaching printed wastepaper under intense dispersing mechanical treatmentVOITH SULZER STOFFAUBEREITUNG·Filed 1997·Granted Sep 28, 1999·21 cites·37 claims
- 0658US4387856AMethod for operating an installation for processing waste paperESCHER WYSS GMBH·Filed 1980·Granted Jun 14, 1983·9 cites·4 claims
- 0755US4999084AMethod for heat treating short fiber fractions after separation of the long fiber fractions from a secondary fiber mixtureESCHER WYSS GMBH·Filed 1989·Granted Mar 12, 1991·8 cites·14 claims
- 0850US6391151B2Process for dissolving used paperVOITH PAPER PATENT GMBH·Filed 2001·Granted May 21, 2002·2 cites·38 claims
- 0940US2006254732A1System and method for removing foreign particles from an aqueous fibrous suspensionVOITH PAPER PATENT GMBH·Filed 2006·Application pending·0 cites
- 1033US4921573AMethod of regulating the specific dispersion work for waste paper stock preparation for papermakingESCHER WYSS GMBH·Filed 1988·Granted May 1, 1990·4 cites·15 claims
- 1129US6183595B1Process for treating a fibrous material suspension using combination of low-intensity and high-intensity flotationVOITH SULZER PAPIERTECH PATENT·Filed 1998·Granted Feb 6, 2001·1 cites·16 claims
Join the waitlist — get patent alerts
Get an alert when Harald Selder files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →