Assignee
VEZIRIAN EDWARD
17 granted patents·354 citations·filing 1985–2012
Top patents by PatentIndex Score
17 records- 0196US4854368ALost foam casting methodVEZIRIAN EDWARD·Filed 1988·Granted Aug 8, 1989·42 cites·11 claims
- 0293US8201646B2Method and apparatus for a true geometry, durable rotating drill bitVEZIRIAN EDWARD·Filed 2009·Granted Jun 19, 2012·22 cites·42 claims
- 0391USD304514SCommunion cupVEZIRIAN EDWARD·Filed 1986·Granted Nov 7, 1989·41 cites·1 claims
- 0475US8439134B2Method and apparatus for a true geometry, durable rotating drill bitVEZIRIAN EDWARD·Filed 2012·Granted May 14, 2013·3 cites·4 claims
- 0571US4703849AVending packageVEZIRIAN EDWARD·Filed 1987·Granted Nov 3, 1987·36 cites·4 claims
- 0668US4776599ADynamic packing ring seal systemVEZIRIAN EDWARD·Filed 1987·Granted Oct 11, 1988·38 cites·3 claims
- 0762US4819517ASelected bearing couple for a rock bit journal and method for making sameVEZIRIAN EDWARD·Filed 1988·Granted Apr 11, 1989·20 cites·2 claims
- 0860US8601908B2Method and apparatus for a true geometry, durable rotating drill bitVEZIRIAN EDWARD·Filed 2012·Granted Dec 10, 2013·1 cites·5 claims
- 0960US4623027AUnsegmented rotary rock bit structure and hydraulic fittingVEZIRIAN EDWARD·Filed 1985·Granted Nov 18, 1986·30 cites·9 claims
- 1059US4620803AFriction bearing coupleVEZIRIAN EDWARD·Filed 1985·Granted Nov 4, 1986·28 cites·2 claims
- 1155US4744270AMethod for thermally fitting hard teeth in rock bitsVEZIRIAN EDWARD·Filed 1987·Granted May 17, 1988·14 cites·5 claims
- 1253US5040623AControlled true geometry rock bit with one piece bodyVEZIRIAN EDWARD·Filed 1990·Granted Aug 20, 1991·26 cites·5 claims
- 1350US4684015AVending packageVEZIRIAN EDWARD·Filed 1986·Granted Aug 4, 1987·21 cites·4 claims
- 1445US4596472AThrust bearing and axial retainer system for rotary cone rock bits and method for assembling sameVEZIRIAN EDWARD·Filed 1985·Granted Jun 24, 1986·11 cites·24 claims
- 1536US4643792AMethod for chemically structuralizing telescopic jointsVEZIRIAN EDWARD·Filed 1985·Granted Feb 17, 1987·6 cites·10 claims
- 1635US5024539AFriction bearing and cone retention thrust system for a rock bitVEZIRIAN EDWARD·Filed 1990·Granted Jun 18, 1991·9 cites·5 claims
- 1735US4753706AMethod for chemically structuralizing telescopic jointsVEZIRIAN EDWARD·Filed 1986·Granted Jun 28, 1988·6 cites·8 claims
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