CTC Corporation

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 195
 
  
 
H05K PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS 1155

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
6005777 Ball grid array capacitorNov 10, 98Dec 21, 99[H05K]
5271469 Borehole stressed packer inflation systemApr 08, 92Dec 21, 93[E21B]

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
5082062 Horizontal inflatable toolExpiredSep 21, 90Jan 21, 92[E21B]
4655286 Method for cementing casing or liners in an oil wellExpiredFeb 19, 85Apr 07, 87[E21B]

Top Inventors for This Owner

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