PORTACO, INC.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B05B SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES 163
 
  
 
B23K SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM 192
 
  
 
B24B MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING 165
 
  
 
B25B TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING, OR HOLDING143
 
  
 
B25C HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY -OPERATED PORTABLE STAPLING TOOLS 125
 
  
 
B61F RAIL VEHICLE SUSPENSIONS, e.g. UNDERFRAMES, BOGIES, ARRANGEMENTS OF WHEEL AXLES; RAIL VEHICLES FOR USE ON TRACKS OF DIFFERENT WIDTH; PREVENTING DERAILING; WHEELS GUARDS; OBSTRUCTION REMOVERS OR THE LIKE 121
 
  
 
E01B PERMANENT WAY; PERMANENT-WAY TOOLS; MACHINES FOR MAKING RAILWAYS OF ALL KINDS 121

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7721373 Railroad flangeway cleaner systemJun 26, 06May 25, 10[B61F]
6637340 Rail pulling systemSep 26, 02Oct 28, 03[E01B]
6263800 Rail support systemSep 03, 99Jul 24, 01[B05B]
6060689 Portable welding ventilation systemFeb 23, 98May 09, 00[B23K]
6019018 Grind stone removing wrench and method of using sameJun 13, 97Feb 01, 00[B25B]
5687627 Rail cutting deviceSep 21, 95Nov 18, 97[B24B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8375544 Railroad pin removal systemExpiredOct 17, 08Feb 19, 13[B23P]
6935620 Railroad e-clip removal systemExpiredJul 25, 03Aug 30, 05[B25C]
6640406 Railroad clip applicator systemExpiredFeb 13, 02Nov 04, 03[B23P]
6622361 Railroad clip removal system having a pair of arms within a guide slotExpiredMar 11, 02Sep 23, 03[B23P]

Top Inventors for This Owner

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