STOCK EQUIPMENT COMPANY, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B65G TRANSPORT OR STORAGE DEVICES, e.g. CONVEYERS FOR LOADING OR TIPPING; SHOP CONVEYER SYSTEMS; PNEUMATIC TUBE CONVEYERS 364
 
  
 
G01G WEIGHING 226
 
  
 
F16G BELTS, CABLES, OR ROPES, PREDOMINANTLY USED FOR DRIVING PURPOSES; CHAINS; FITTINGS PREDOMINANTLY USED THEREFOR128
 
  
 
F23N REGULATING OR CONTROLLING COMBUSTION 120
 
  
 
G01F MEASURING VOLUME, VOLUME FLOW, MASS FLOW, OR LIQUID LEVEL; METERING BY VOLUME 158

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6273665 Divergent inlet for bulk material feederMay 10, 99Aug 14, 01[B65G]
5896981 Spliced conveyer belt method and apparatusJan 03, 97Apr 27, 99[B65G, F16G]
5877456 System for checking the calibration of gravimetic feeders and belt scalesJul 22, 97Mar 02, 99[G01G]
5784974 System for improving fuel feed control of volumetric coal feedersApr 22, 97Jul 28, 98[F23N]
5686653 System for checking the calibration of gravimetric feeders and belt scalesMay 09, 96Nov 11, 97[G01G]
5620085 Spliced conveyer belt assemblyFeb 02, 96Apr 15, 97[B65G]
5385058 Method and apparatus for sampling particulate material falling from a belt conveyorSep 08, 92Jan 31, 95[G01F]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5747747 Continuing belt-type conveyor and means for weighing contents transported thereonExpiredJan 23, 96May 05, 98[G01G]
5547167 Gate valve for fluidized particular materialExpiredJun 21, 95Aug 20, 96[F16K]
4895081 Gravimetric feeder, especially adapted for use in a calorimetry systemExpiredMay 08, 89Jan 23, 90[F23K]
4893315 Calorimetry systemExpiredMay 08, 89Jan 09, 90[G01N]
4888989 Level sensor systemExpiredFeb 26, 86Dec 26, 89[G01F]
4846081 Calorimetry systemExpiredFeb 08, 88Jul 11, 89[F23H]
4836934 System for removing liquid from slurries of liquid and particulate materialExpiredFeb 26, 86Jun 06, 89[B01D]
4836937 System for removing liquid from a slurry of liquid and powdered materialExpiredMar 04, 86Jun 06, 89[B01D]
4816227 Vertically positioned transfer system for controlling and initiating the flow of metered amounts of solid materialsExpiredAug 25, 86Mar 28, 89[G01F]
4809190 Calorimetry systemExpiredApr 08, 87Feb 28, 89[G01L]
4793512 Apparatus and method for feeding particulate material such as coal and other bulk materialsExpiredAug 26, 85Dec 27, 88[G01G]
4668478 Vertically positioned transfer system for controlling and initiating the flow of metered amounts of solid materialsExpiredJul 02, 84May 26, 87[G01F]
4585638 Synthesis of crystalline silicate ZSM-5ExpiredJul 16, 84Apr 29, 86[C01B]
4581676 Electrical contact coating for silicon pressure transducersExpiredSep 17, 84Apr 08, 86[G01L, H01G]
4572710 Method and apparatus for changing filters in nuclear power stationsExpiredJun 14, 82Feb 25, 86[G21C]
4517751 Azeotropic drying processExpiredJun 17, 83May 21, 85[F26B]
4445383 Multiple range capacitive pressure transducerExpiredJun 18, 82May 01, 84[G01L]
4430963 System for generating dry coal weight signal for coal feeder and control system based thereonExpiredDec 03, 82Feb 14, 84[F22B]
4427023 Dry product valveExpiredMar 27, 81Jan 24, 84[F16K, B08B]
4424713 Silicon diaphragm capacitive pressure transducerExpiredJun 11, 82Jan 10, 84[G01L]

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