Spuhl AG

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B68G METHODS, EQUIPMENT, OR MACHINES FOR USE IN UPHOLSTERING; UPHOLSTERY NOT OTHERWISE PROVIDED FOR37
 
  
 
B21F WORKING OR PROCESSING OF WIRE 218
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 265
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 165
 
  
 
B29C SHAPING OR JOINING OF PLASTICS; SHAPING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL; AFTER- TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING 1124
 
  
 
B65B MACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING 163
 
  
 
B65H HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES178
 
  
 
F16F SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION158

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9682852 Apparatus for forming a tube of pocket material and method for manufacturing a pocket spring stringAug 02, 12Jun 20, 17[B68G]
9670053 Apparatus and method for transferring springs with transport wheelOct 22, 10Jun 06, 17[B21F, B68G]
9327933 Device and method for conveying a spring stringMay 14, 12May 03, 16[B29C, B65H, B68G]
8968056 System for machining the running surface on skis and snowboardsSep 06, 12Mar 03, 15[B24B]
7458243 Spring winding machine and a method for controlling a spring winding machineMay 10, 04Dec 02, 08[B21F]
6834477 Method and system for forming strings of pocketed coil springs with traction mechanismSep 26, 03Dec 28, 04[B65B]
5868240 Spring conveyor apparatusNov 15, 96Feb 09, 99[B65G]
5788051 Device for transferring springs to an assembly machineNov 15, 96Aug 04, 98[B65G]
5713115 Electronically regulated apparatus for coiling springsMay 10, 96Feb 03, 98[B21F]
5575460 Spring core for a mattressJan 09, 95Nov 19, 96[F16F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8393131 Device for the assembly of pocket spring stringsExpiredFeb 11, 09Mar 12, 13[B68G]
5865051 Procedure and apparatus for the optimized manufacture of coil springs on automatic spring winding machinesExpiredJun 03, 97Feb 02, 99[B21B]
5136867 Automatic frame bending machine for bending of steel rods or band steelExpiredJan 22, 90Aug 11, 92[B21D]
5054178 Process and apparatus for the production of innersprings for mattresses and upholstered furnitureExpiredMay 08, 89Oct 08, 91[B23P, B68G]
5042124 Machine for punching out butterfly clips for fastening to a frame of a spring coreExpiredMar 23, 90Aug 27, 91[B23P, B21F]
4609186 Mattress spring core with open ended coilsExpiredNov 14, 85Sep 02, 86[F16F]
4476702 Apparatus for measuring and regulating the position of a wire end of a spiral spring in a coiling machineExpiredFeb 28, 83Oct 16, 84[B21F, B21C]
4413659 Apparatus for feeding spiral wire springs from coiling machines to a spring core assembly machineExpiredDec 28, 81Nov 08, 83[B21F]
4368761 Centering device for a spring core mounting machineExpiredSep 23, 80Jan 18, 83[B21F]
4354819 Multi-pivotable mold carrier clamping apparatusExpiredMay 20, 81Oct 19, 82[B29C]
4269300 Method and apparatus for separating helical springs closed by knots at their winding endsExpiredJul 24, 79May 26, 81[B65G]
4231723 Metering and conveyor arrangementExpiredJul 24, 78Nov 04, 80[F04B]

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