A.E. BISHOP & ASSOCIATES PTY, LIMITED

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR 540
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 462
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 254
 
  
 
B23D PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR 227
 
  
 
B21J FORGING; HAMMERING; PRESSING; RIVETING; FORGE FURNACES 119
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
B62D MOTOR VEHICLES; TRAILERS 190
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING172

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
5996626 Sleeve for rotary valveDec 09, 98Dec 07, 99[F15B]
5881771 Rotary valve for power steering gearApr 29, 97Mar 16, 99[F15B]
5862701 Apparatus for manufacturing steering rack barsJun 17, 96Jan 26, 99[B21J, B21D]
5727443 Method of balancing a hydraulic valve for a power steering gearAug 03, 95Mar 17, 98[F15B]
5549504 Manufacture of rotary valvesApr 20, 95Aug 27, 96[B24B]
5441438 Measuring and recording apparatus using fluid as the measuring media for use in the manufacture of hydraulic power steering valvesJul 28, 93Aug 15, 95[B24B]
5439412 Machine for use in the manufacture of power steering valvesMay 19, 93Aug 08, 95[B24B]
5390408 SlottingMay 11, 93Feb 21, 95[B23P, B21D]
5328309 Slotting machinesAug 06, 93Jul 12, 94[B23D]
5299388 Machine for use in the manufacture of vehicle power steering gearsMay 19, 93Apr 05, 94[B24B]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5458153 Rotary valve for hydraulic power steering with reduced noise and linear boost characteristicExpiredJul 15, 94Oct 17, 95[F15B, B62D]
5433800 Scanning induction hardeningExpiredJan 28, 94Jul 18, 95[C21D]
5362080 Front and rear wheel steering systemsExpiredMar 16, 93Nov 08, 94[B62D]
5322308 Four wheel steering systemsExpiredMay 14, 92Jun 21, 94[B62D]
5104462 Scanning induction hardening process by using radially moving induction coilExpiredFeb 27, 90Apr 14, 92[C21D]
5059068 Rotary slot cutting tools and insert clamping methodExpiredAug 02, 90Oct 22, 91[B23C]
4860414 Indexing and transporting mechanismExpiredJan 19, 88Aug 29, 89[B23B, B23P]
4715210 Method for making steering rack barsExpiredJan 16, 86Dec 29, 87[B21K, B21J]
4703145 Apparatus for manufacturing a master rackExpiredMay 19, 86Oct 27, 87[B23H]
4618297 Method and apparatus for machining racks for steering gearExpiredJul 20, 84Oct 21, 86[B23F, B23D]
4602521 Rack and pinion steering gearExpiredAug 26, 85Jul 29, 86[B62D]
4571982 Apparatus for making steering rack barsExpiredJan 04, 84Feb 25, 86[B21K, B21J]
4561516 Control valve for vehicle power steering systemsExpiredAug 31, 84Dec 31, 85[F16K, B62D, F15B]
4445422 Power steering valveExpiredSep 23, 81May 01, 84[F15B]

Top Inventors for This Owner

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