MACTECH, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B28D WORKING STONE OR STONE-LIKE MATERIALS 319
 
  
 
B23D PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR 227
 
  
 
B23B TURNING; BORING 151
 
  
 
B26D CUTTING; DETAILS COMMON TO MACHINES FOR SEVERING, e.g. BY CUTTING, PERFORATING, PUNCHING, STAMPING-OUT 136

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9776265 System, method and retractable and/or folding apparatus for cutting an objectJun 03, 13Oct 03, 17[B26D, B23D]
9770761 Tool bit apparatus, system, and method for cutting an objectAug 22, 13Sep 26, 17[B23B, B23D]
9636761 Modular cutting system, method and apparatusJul 25, 13May 02, 17[B23D]
9010311 Apparatus, system and method for using a diamond-impregnated wire to cut an objectAug 07, 14Apr 21, 15[B28D]
8833359 Apparatus, system and method for using a diamond-impregnated wire to cut an objectDec 23, 13Sep 16, 14[B28D]
8651098 Apparatus, system and method for using a diamond-impregnated wire to cut an objectMar 04, 10Feb 18, 14[B28D]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5189933 Clamshell mounted pipe nozzle weld milling machine with centering apparatusExpiredApr 08, 91Mar 02, 93[B23B]
5116566 CRD milling machineExpiredFeb 19, 91May 26, 92[G21C]
5030046 Valve seal ring seating machineExpiredJun 25, 90Jul 09, 91[B23C]
4944205 Ratchet feed drive for clamshell latheExpiredJan 29, 90Jul 31, 90[B23B]
4939964 Low-clearance pipe latheExpiredSep 16, 88Jul 10, 90[B23B, B23D]
4856390 Valve reseater apparatus and methodExpiredFeb 19, 88Aug 15, 89[B23B]
4799409 Portable end preparation apparatusExpiredDec 29, 87Jan 24, 89[B23B]
4739685 Split frame portable machining latheExpiredJan 12, 87Apr 26, 88[B23B]

Top Inventors for This Owner

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