Practical Engineering Inc.

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
G01L MEASURING FORCE, STRESS, TORQUE, WORK, MECHANICAL POWER, MECHANICAL EFFICIENCY, OR FLUID PRESSURE 155
 
  
 
G01R MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES 1158

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8296612 Polymorphic automatic test systems and methodsExpiredMar 01, 10Oct 23, 12[G06F, G01R]
7673197 Polymorphic automatic test systems and methodsExpiredNov 21, 04Mar 02, 10[G01L, G06F, G01R]
5167589 Transfer bar actuating mechanismExpiredDec 04, 91Dec 01, 92[F16H]
5054975 Milling machine with mill head having retractible returnExpiredNov 09, 90Oct 08, 91[B23Q]

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