MIDDLEVILLE TOOL & DIE CO.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B21D WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING 452
 
  
 
F01N GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR MACHINES OR ENGINES IN GENERAL; GAS-FLOW SILENCERS OR EXHAUST APPARATUS FOR INTERNAL-COMBUSTION ENGINES 469
 
  
 
F16K VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING271
 
  
 
B01F MIXING, e.g. DISSOLVING, EMULSIFYING, DISPERSING 141
 
  
 
B21C MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES, PROFILES OR LIKE SEMI-MANUFACTURED PRODUCTS OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL120
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
F02D CONTROLLING COMBUSTION ENGINES 172
 
  
 
F16C SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OF CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS 169
 
  
 
F16L PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL169
 
  
 
H02K DYNAMO-ELECTRIC MACHINES 1106

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9605581 Passive exhaust valve with floating spring stopFeb 17, 16Mar 28, 17[F16K, F01N]
9494194 Process for making an interlocking flanged bushing and products made by this processMay 18, 15Nov 15, 16[F16C, B21D]
9464559 Passive exhaust valve assembly and forming methodFeb 04, 16Oct 11, 16[F16K, F01N]
9186714 Process for making a stamped tubular form with integral bracket and products made by the processDec 06, 11Nov 17, 15[B23P, B21D]
9050639 Process for making an interlocking flanged bushing and products made by this processAug 30, 12Jun 09, 15[H02K, F16L, F16C, B21C, B21D]
8356396 Method for making threaded tubeSep 03, 09Jan 22, 13[B23P, B21D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
D278509 Bottle cap openerExpiredJul 08, 82Apr 23, 85[]

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