SEITZ-FILTER-WERKE GMBH
Patent Owner
Stats
- 1 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- Dec 12, 2000 most recent publication
Details
- 1 Issued Patents
- 0 Issued in last 3 years
- 0 Published in last 3 years
- 80 Total Citation Count
- May 05, 1992 Earliest Filing
- 3 Expired/Abandoned/Withdrawn Patents
Patent Activity in the Last 10 Years
Technologies
Intl Class
Technology
Matters
Rank in Class
Top Patents (by citation)
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Recent Publications
- No Recent Publications to Display
Recent Patents
Patent #
Title
Filing Date
Issue Date
Intl Class
5620790 Multi-layer microfiltration membrane having an integrated prefiltration layer and method of making sameJun 23, 95Apr 15, 97[B01D]
Expired/Abandoned/Withdrawn Patents
Patent #
Title
Status
Filing Date
Issue/Pub Date
Intl Class
6159369 Process for the partial modification of porous, hydrophilitic filter membranes, of filter membranes treated in such manner and filter modules equipped with such filter membranes, especially filter cartridgesExpiredJul 25, 96Dec 12, 00[B01D]
5868973 Process and apparatus for producing fibrets from cellulose derivativesExpiredApr 10, 97Feb 09, 99[B29C]
5269921 Filter cartridge or filter module consisting of flexible deep filter materialExpiredMay 05, 92Dec 14, 93[B01D]
Top Inventors for This Owner
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