HP

Horst Perl

SA Sartorius Ag: 7 patents #19 of 210Top 10%
HA Huels Aktiengesellschaft: 1 patents #269 of 532Top 55%
SU Seitz-Filter-Werke Theo & Geo Seitz Gmbh Und: 1 patents #9 of 18Top 50%
Overall (All Time): #590,869 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
5480599 Method of manufacturing foam beads Thomas Leven, Michael Trager 1996-01-02
5139712 Method of producing microfiltration membranes from aromatic polyamides Nils Hese, Artur MICHALSKI 1992-08-18
4529419 Filter for gas filtration Massoud Karbachsch, Gunter Pradel, Fritz Reulecke 1985-07-16
4522713 Apparatus for static membrane filtration Dietmar Nussbaumer, Khuong To Vinh 1985-06-11
4490256 Apparatus for static membrane filtration Dietmar Nussbaumer, Khuong To Vinh 1984-12-25
4430218 Separating device for fluids, consisting of support plates and cut sections of a semi-permeable diaphragm Dietmar Nussbaumer, Hans-Weddo Schmidt, Gunter Pradel, Ulrich Grummert 1984-02-07
4392963 Resorcinol or phloroglucinol condensation product for aqueous mixture purification Dietmar Nussbaumer, Horst Kluver, Hans Beer 1983-07-12
4253963 Asymmetrical ultrafiltration membrane on the basis of cellulose triacetate Walter Franken, Dieter Nussbaumer, Ludwig Weickhardt 1981-03-03
4234528 Asymmetrical ultrafiltration membrane based on cellulose hydrate Dietmar Nussbaumer 1980-11-18