ESCO EQUIPMENT SERVICE COMPANY

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B23P OTHER WORKING OF METAL; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS 155
 
  
 
B66C CRANES; LOAD-ENGAGING ELEMENTS OR DEVICES FOR CRANES, CAPSTANS, WINCHES, OR TACKLES 130
 
  
 
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
5860203 Handle repair deviceSep 03, 97Jan 19, 99[B23P]
5364147 Device for handling railroad timberMar 11, 93Nov 15, 94[B66C]
5323709 DemolderMar 11, 93Jun 28, 94[E01B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5929678 Frequency synthesis circuit having a charge pumpExpiredSep 03, 97Jul 27, 99[H03L, H03K]

Top Inventors for This Owner

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