Inventor
Harald Selder
Inventor
Schlier, DE
Overview
Patents· 10 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D21Bprimary
D21BFibrous raw materials or their mechanical treatment26%
Y02WClimate change mitigation technologies related to wastewater treatment or waste management24%
D21DTreatment of the materials before passing to the paper-making machine15%
D21FPaper-making machines9%
B01FMixing, e.g. dissolving, emulsifying or dispersing6%
D21CProduction of cellulose by removing non-cellulose substances from cellulose-containing materials6%
B03BSeparating solid materials using liquids or using pneumatic tables or jigs3%
B03DFlotation3%
B41MPrinting, duplicating, marking, or copying processes3%
B60PVehicles adapted for load transportation or to transport, to carry, or to comprise special loads or objects3%
PatentTitleYear
6,391,151'Process for dissolving used paper'20026,183,595'Process for treating a fibrous material suspension using combination of low-intensity and high-intensity flotation'20015,958,179'Process for increasing pulp whiteness by bleaching printed wastepaper under intense dispersing mechanical treatment'19994,999,084'Method for heat treating short fiber fractions after separation of the long fiber fractions from a secondary fiber mixture'19914,921,573'Method of regulating the specific dispersion work for waste paper stock preparation for papermaking'19904,909,900'Method for high temperature, high consistency quick bleaching of raw paper pulp'19904,431,482'Dispersion apparatus for the preparation of waste paper'19844,405,450'Method for fractionating fiber stock obtained from waste paper and apparatus for the performance of the aforesaid method'19834,387,856'Method for operating an installation for processing waste paper'19834,011,027'Stain removal apparatus'1977Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1977–1991Patents assigned to ESCHER WYSS GMBH (7)· patent assignee history
1977Based in Dachau, CH· patent location history
1983–2002Based in Schlier, DE· patent location history
1999Patents assigned to VOITH SULZER STOFFAUBEREITUNG (1)· patent assignee history
2001Patents assigned to VOITH SULZER PAPIERTECH PATENT (1)· patent assignee history
2002Patents assigned to VOITH PAPER PATENT GMBH (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| ESCHER WYSS GMBH | 7 | 1977–1991 |
| VOITH PAPER PATENT GMBH | 1 | 2002 |
| VOITH SULZER PAPIERTECH PATENT | 1 | 2001 |
| VOITH SULZER STOFFAUBEREITUNG | 1 | 1999 |
Locations
| Location | Patents | Span |
|---|---|---|
| Schlier, DE | 9 | 1983–2002 |
| Dachau, CH | 1 | 1977 |