Assignee
SEITZ FILTER WERKE
DE·25 granted patents·1 pending application·1,052 citations·filing 1983–2003
Top patents by PatentIndex Score
26 records- 0195US5290457AFilter element with regenerable bulk material filling and method for making sameSEITZ FILTER WERKE·Filed 1992·Granted Mar 1, 1994·119 cites·29 claims
- 0294US5225080AFiltration module and device for separating and filtering fluids in a crossflow processSEITZ FILTER WERKE·Filed 1991·Granted Jul 6, 1993·127 cites·34 claims
- 0392US5034125AMembrane filtering device for micro and ultra filtration of fluids by the crossflow methodSEITZ FILTER WERKE·Filed 1990·Granted Jul 23, 1991·107 cites·29 claims
- 0491US5169528AFilter elementSEITZ FILTER WERKE·Filed 1990·Granted Dec 8, 1992·102 cites·9 claims
- 0591US4983288AFilter element with membrane-type filter materialSEITZ FILTER WERKE·Filed 1989·Granted Jan 8, 1991·93 cites·17 claims
- 0687US5620790AMulti-layer microfiltration membrane having an integrated prefiltration layer and method of making sameSEITZ FILTER WERKE·Filed 1995·Granted Apr 15, 1997·97 cites·20 claims
- 0787US5122270AFilter cartridge or filter module consisting of flexible deep filter materialSEITZ FILTER WERKE·Filed 1990·Granted Jun 16, 1992·74 cites·6 claims
- 0876US4567009AProduction of microfiltration membrane filterSEITZ FILTER WERKE·Filed 1983·Granted Jan 28, 1986·31 cites·8 claims
- 0972US5269921AFilter cartridge or filter module consisting of flexible deep filter materialSEITZ FILTER WERKE·Filed 1992·Granted Dec 14, 1993·37 cites·10 claims
- 1068US5376274AHydrophilic membrane and method for its productionSEITZ FILTER WERKE·Filed 1993·Granted Dec 27, 1994·37 cites·22 claims
- 1167US5554287ACellulose matrix filter materialSEITZ FILTER WERKE·Filed 1994·Granted Sep 10, 1996·31 cites·37 claims
- 1262US6159369AProcess 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 cartridgesSEITZ FILTER WERKE·Filed 1994·Granted Dec 12, 2000·27 cites·7 claims
- 1359US5422057AMethod of producing a filtration module for separating and filtering fluids in a cross flow processSEITZ FILTER WERKE·Filed 1993·Granted Jun 6, 1995·20 cites·4 claims
- 1459US5223139AFilter material in the form of flexible leaves or sheets and a method of producing such materialSEITZ FILTER WERKE·Filed 1990·Granted Jun 29, 1993·23 cites·14 claims
- 1558US6139724AProcedure and device for filtration of fluids using MF modulesSEITZ FILTER WERKE·Filed 1999·Granted Oct 31, 2000·15 cites·3 claims
- 1658US4676904AFilter sheet which is free of asbestosSEITZ FILTER WERKE·Filed 1984·Granted Jun 30, 1987·16 cites·9 claims
- 1758US4627992AProcess for the production of filter elements based on aromatic polyamideSEITZ FILTER WERKE·Filed 1984·Granted Dec 9, 1986·22 cites·14 claims
- 1853US5879557AProcedure for filtration of fluids using MF modulesSEITZ FILTER WERKE·Filed 1996·Granted Mar 9, 1999·12 cites·15 claims
- 1952US5043068ATubular filter element with axially yieldable sectionSEITZ FILTER WERKE·Filed 1989·Granted Aug 27, 1991·16 cites·17 claims
- 2051US4671873AFilter element with permanently applied sealing stripsSEITZ FILTER WERKE·Filed 1984·Granted Jun 9, 1987·18 cites·2 claims
- 2145US5228991AMembrane filter module for filtering fluids in a cross-flowSEITZ FILTER WERKE·Filed 1991·Granted Jul 20, 1993·13 cites·21 claims
- 2244US2004035783A1Flat filter element and filter module composed of filter elementsSEITZ FILTER WERKE·Filed 2003·Application pending·0 cites
- 2339US5141643AFilter material formed by fibride particlesSEITZ FILTER WERKE·Filed 1991·Granted Aug 25, 1992·9 cites·6 claims
- 2430US5149430AFluid distributing head for a membrane filter module for filtration of fluidsSEITZ FILTER WERKE·Filed 1991·Granted Sep 22, 1992·3 cites·33 claims
- 2528US4737286AMicrofiltration membrane filterSEITZ FILTER WERKE·Filed 1985·Granted Apr 12, 1988·2 cites·4 claims
- 2623US5139712AMethod of producing microfiltration membranes from aromatic polyamidesSEITZ FILTER WERKE·Filed 1991·Granted Aug 18, 1992·1 cites·7 claims
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