HILLS, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
D01D MECHANICAL METHODS OR APPARATUS IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES, OR RIBBONS1215
 
  
 
D01F CHEMICAL FEATURES IN THE MANUFACTURE OF ARTIFICIAL FILAMENTS, THREADS, FIBRES, BRISTLES, OR RIBBONS; APPARATUS SPECIALLY ADAPTED FOR THE MANUFACTURE OF CARBON FILAMENTS 1124
 
  
 
D04H MAKING TEXTILE FABRICS, e.g. FROM FIBRES OR FILAMENTARY MATERIAL 526
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM4153
 
  
 
B01D SEPARATION 3131
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 3122
 
  
 
D02G CRIMPING OR CURLING FIBRES, FILAMENTS, YARNS, OR THREADS; YARNS OR THREADS326
 
  
 
A61F FILTERS IMPLANTABLE INTO BLOOD VESSELS; PROSTHESES; DEVICES PROVIDING PATENCY TO, OR PREVENTING COLLAPSING OF, TUBULAR STRUCTURES OF THE BODY, E.G. STENTS; ORTHOPAEDIC, NURSING OR CONTRACEPTIVE DEVICES; FOMENTATION; TREATMENT OR PROTECTION OF EYES OR EARS; BANDAGES, DRESSINGS OR ABSORBENT PADS; FIRST-AID KITS 1139
 
  
 
E21B EARTH OR ROCK DRILLING 195

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
8337730 Process of making a continuous, multicellular, hollow carbon fiberJan 05, 09Dec 25, 12[D01D, D01F]
7740777 Method and apparatus for producing polymer fibers and fabrics including multiple polymer componentsFeb 16, 07Jun 22, 10[D01D]
7666500 Multi-component fibers having enhanced reversible thermal propertiesNov 22, 06Feb 23, 10[D01F]
7666502 Multi-component fibers having enhanced reversible thermal propertiesNov 22, 06Feb 23, 10[D01F, B32B]
7504348 Production of nonwoven fibrous webs including fibers with varying degrees of shrinkageAug 08, 02Mar 17, 09[D04H]
7431869 Methods of forming ultra-fine fibers and non-woven websJun 04, 04Oct 07, 08[D01D]
7422071 Swelling packer with overlapping petalsJan 05, 06Sep 09, 08[E21B]
7309430 Filtration system utilizing a single valve to direct fluid streams between filter assemblies and corresponding methodsDec 09, 02Dec 18, 07[B01D]
7300272 Fiber extrusion pack including split distribution platesJan 23, 04Nov 27, 07[B29C]
7252493 Temperature control system to independently maintain separate molten polymer streams at selected temperatures during fiber extrusionOct 02, 03Aug 07, 07[D01D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2011/0111,225 Extruded Filament Having High Definition Cross-Sectional Indicia/Coding, Microscopic Tagging System Formed Therefrom and Method of Use Thereof for Anti-Counterfeiting of Product AuthenticationAbandonedMay 10, 07May 12, 11[B23P, D02G]
2011/0076,771 TISSUE FIBER SCAFFOLD AND METHOD FOR MAKINGAbandonedSep 23, 10Mar 31, 11[B29C, C12N]
2010/0291,384 FIBER HAVING NON-UNIFORM COMPOSITION AND METHOD FOR MAKING SAMEAbandonedMay 14, 10Nov 18, 10[D01D, D02G]
2010/0078,848 SPINNERET AND METHOD OF SPINNING FIBERAbandonedSep 28, 09Apr 01, 10[D01D, B29C]
2009/0258,787 Superconducting Wires and Cables and Methods for Producing Superconducting Wires and CablesAbandonedMar 30, 09Oct 15, 09[H01L, H01B]
2007/0161,306 MULTI-COMPONENT FIBERS HAVING ENHANCED REVERSIBLE THERMAL PROPERTIES AND METHODS OF MANUFACTURING THEREOFAbandonedNov 22, 06Jul 12, 07[D03D, B32B]
2006/0012,072 Forming shaped fiber fabricsAbandonedJul 18, 05Jan 19, 06[D01D]
6838402 Splittable multicomponent elastomeric fibersExpiredSep 21, 99Jan 04, 05[D03D, D02G, D04H]
6767498 Process of making microfilamentsExpiredOct 09, 01Jul 27, 04[D01D, H05B, D02G]
6277264 System and method for using multiple lead connections in an electropolishing processExpiredFeb 02, 00Aug 21, 01[C25F]
4849113 Continuous polymer filterExpiredMay 23, 88Jul 18, 89[B01D]

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