Hickory Springs Manufacturing Company

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
A47C CHAIRS 2825
 
  
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 672
 
  
 
B63B SHIPS OR OTHER WATERBORNE VESSELS; EQUIPMENT FOR SHIPPING 533
 
  
 
B63C LAUNCHING, HAULING-OUT, OR DRY-DOCKING OF VESSELS; LIFE-SAVING IN WATER; EQUIPMENT FOR DWELLING OR WORKING UNDER WATER; MEANS FOR SALVAGING OR SEARCHING FOR UNDERWATER OBJECTS 412
 
  
 
A63B APPARATUS FOR PHYSICAL TRAINING, GYMNASTICS, SWIMMING, CLIMBING, OR FENCING; BALL GAMES; TRAINING EQUIPMENT 364
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 399
 
  
 
F16F SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION356
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 254
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 2123
 
  
 
B60R VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR 2108

Top Patents (by citation)

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Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0073,487 HIGH TEMPERATURE NON-CROSSLINKED POLYETHYLENE-BASED FOAM AND METHOD OF MAKING THE SAMEMar 10, 15Mar 16, 17[C08J]
2017/0035,213 MATTRESS WITH AN AIR FLOW CHANNELJul 08, 16Feb 09, 17[A47C]
2016/0331,150 MATTRESS WITH A VISCO ELASTIC POLYURETHANE FOAM LAYERApr 15, 16Nov 17, 16[A47C]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9918558 Mattress with an air flow channelJul 08, 16Mar 20, 18[A47C]
9895002 Folding frames for furniture and beddingNov 18, 14Feb 20, 18[A47B, A47C]
9861857 Multiple strand pool noodleSep 09, 16Jan 09, 18[B63C, A63B, B63B]
9635952 Sleep fabric layer with individually pocketed coilsNov 17, 15May 02, 17[A47C, A41D]
9540082 Flotation deviceMay 19, 15Jan 10, 17[B29C, B63C, A63B, B63B, B29L]
9457876 Multiple strand pool noodleSep 24, 14Oct 04, 16[B63C, B63B]
9386862 Mattress with an air flow channelFeb 27, 14Jul 12, 16[A47C]
9339117 Mattress with a visco elastic polyurethane foam layerMay 16, 14May 17, 16[A47C]
9167908 Replaceable shroud for an adjustable bedAug 08, 14Oct 27, 15[A47C]
9061746 Flotation deviceMay 05, 14Jun 23, 15[B29C, A63B, B63B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8575225 Use of low triphenylphosphate, high phosphorous content isopropyl phenyl phosphates as flame retardants in polyurethane or polyisocyanurate foamsExpiredMar 19, 08Nov 05, 13[C08G]
2009/0246,240 DRY BACTERICIDAL NONWOVEN WIPEAbandonedMar 25, 08Oct 01, 09[A01P, A01N]
2008/0172,975 ROD POSITIONER AND ASSOCIATED METHODAbandonedJan 22, 07Jul 24, 08[E04C]
2007/0235,124 Edging Strip For An Upholstered Furniture ArticleAbandonedMar 31, 06Oct 11, 07[B29C]
2006/0250,006 Adjustable rocker base assemblyAbandonedApr 21, 05Nov 09, 06[A47C]
7011297 Hand rail assembly for recreational vehiclesExpiredDec 17, 02Mar 14, 06[E04H]
2005/0115,030 Clamping clip for bundled sinuous wireAbandonedAug 25, 03Jun 02, 05[B65D]
6860558 Locking mechanism for glider chairs in recreational vehiclesExpiredFeb 05, 03Mar 01, 05[A47D]
6832401 Spring support systemExpiredApr 16, 02Dec 21, 04[A47C]
6651276 Floating slat frame for a mattress foundationExpiredAug 10, 01Nov 25, 03[A47C]
6505360 Crib with drop side, and guiding and locking mechanism thereforExpiredApr 06, 01Jan 14, 03[A47D]
6135559 Seat back reclining mechanism adaptable to chairs with stationary or movable seatsExpiredJul 27, 98Oct 24, 00[A47C]
6050553 Device for connecting springs to form a support surface therewithExpiredJul 28, 98Apr 18, 00[F16F]
5964453 Wire grid and wire spring module for use with a furniture spring assemblyExpiredMar 09, 98Oct 12, 99[F16F]
5656678 Method and apparatus for the production of polyurethane foam using variable capacity troughExpiredMay 14, 96Aug 12, 97[C08G]
5642601 Method of forming thermal insulationExpiredNov 28, 95Jul 01, 97[B65B]
5184802 Wire grid for box spring bedding assemblyExpiredDec 13, 90Feb 09, 93[F16F]
5120771 Process for the production of polyurethane foamExpiredSep 13, 89Jun 09, 92[C08G]
4893871 Swivel rocker stop assemblyExpiredDec 12, 88Jan 16, 90[A47C]
4660883 Safety platform arrangement for reclinerExpiredOct 16, 85Apr 28, 87[A47C]

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