MEMTEC AMERICA CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B01D SEPARATION 2132
 
  
 
D02G CRIMPING OR CURLING FIBRES, FILAMENTS, YARNS, OR THREADS; YARNS OR THREADS227
 
  
 
A41D OUTERWEAR; PROTECTIVE GARMENTS; ACCESSORIES 134
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM1156

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5287690 Stainless steel yarnJul 13, 93Feb 22, 94[D02G]
5248548 Stainless steel yarn and protective garmentsNov 22, 91Sep 28, 93[A41D, D02G, B32B]
5188734 Ultraporous and microporous integral membranesFeb 21, 92Feb 23, 93[B01D]
5171445 Ultraporous and microporous membranes and method of making membranesMar 26, 91Dec 15, 92[B01D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5855783 Pleated poly(tetra-fluoro ethylene) filter cartridgeExpiredMay 10, 94Jan 05, 99[B01D]
5584109 Method of making a battery plateExpiredJun 22, 94Dec 17, 96[H01M]
5525423 Method of making multiple diameter metallic tow materialExpiredJun 06, 94Jun 11, 96[D02G]
5468397 Gas backwash of pleated filtersExpiredMar 16, 93Nov 21, 95[B01D]
5334451 Continuous filament yarn precoat septumExpiredApr 26, 93Aug 02, 94[D02G]
5200077 Backflushable rotary melt polymer filter apparatusExpiredApr 08, 91Apr 06, 93[B01D]
5069945 Ultrapous thin-film membranesExpiredNov 21, 89Dec 03, 91[B01D]
4936348 Rotary diverter valve having flat valve interfacesExpiredJul 18, 89Jun 26, 90[F16K]

Top Inventors for This Owner

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