DIMITROFF, TED R.

Patent Owner

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
 
 
E21B EARTH OR ROCK DRILLING 294
 
 
 
E21D SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS 115

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7389829 Method and apparatus for forming bored holeMay 20, 03Jun 24, 08[E21D]
7287337 Pitch sensing in drilling machinesSep 19, 03Oct 30, 07[E21B]
6732816 Method of forming a trenchless flowlineMar 19, 01May 11, 04[E21B]

Expired/Abandoned/Withdrawn Patents

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Top Inventors for This Owner

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