Zepf; Robert F.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Zepf; Robert F..The latest application filed is for "highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters".

Company Profile

0.6.3

Zepf; Robert F. - Solana Beach CA
Zepf; Robert F. - San Diego CA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters Grant 7,125,493 - Wang , et al. October 24, 2	2006-10-24
Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters Grant 6,939,468 - Wang , et al. September 6, 2	2005-09-06
Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters App 20050011834 - Wang, I-Fan ; et al.	2005-01-20
Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters App 20040065607 - Wang, I-Fan ; et al.	2004-04-08
Highly asymmetric, hydrophilic, microfiltration membranes having large pore diameters Grant 6,565,782 - Wang , et al. May 20, 2	2003-05-20
Polymer membrane meshes App 20020162792 - Zepf, Robert F.	2002-11-07
Highly assymetric, hydrophilic, microfiltration membranes having large pore diameters Grant 6,045,899 - Wang , et al. April 4, 2	2000-04-04
Ultraporous and microporous integral membranes Grant 5,188,734 - Zepf February 23, 1	1993-02-23
Ultraporous and microporous membranes and method of making membranes Grant 5,171,445 - Zepf December 15, 1	1992-12-15

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