Patent Assignment
Reel/Frame 024547/0944
Security Agreement
Recorded: 2010-06-17
Received: 2010-06-17
Pages: 12
Assignor
VAREL INTERNATIONAL IND., L.P.
Executed: 2010-06-04
Assignee
LEHMAN COMMERCIAL PAPER INC.
1271 AVENUE OF THE AMERICAS, NEW YORK, NY, 10020, UNITED STATES
Covered Properties
(22)
Rock Bit Having a Seal Gland with a Conical Sealing Surface
Application:
12/757,959 →
Backfilled Polycrystalline Diamond Cutter with High Thermal Conductivity
Application:
12/716,208 →
Polycrystalline Diamond Cutter with High Thermal Conductivity
Application:
12/716,251 →
Drill Bit Supporting Multiple Cutting Elements with Multiple Cutter Geometries and Method of Assembly
Application:
12/708,003 →
Multi-Set Pdc Drill Bit and Method
Application:
12/636,506 →
High Energy Treatment of Cutter Substrates Having a Wear Resistant Layer
Application:
12/555,947 →
Force Balanced Asymmetric Drilling Reamer and Methods for Force Balancing
Application:
12/541,591 →
Casing Bit and Casing Reamer Designs
Application:
61/184,635 →
Milling Cap for a Polycrystalline Diamond Compact Cutter
Application:
61/182,382 →
Whipstock Attachment to a Fixed Cutter Drilling or Milling Bit
Application:
61/182,442 →
Self Positioning Cutter and Pocket
Application:
12/472,003 →
Texturing of the Seal Surface for a Roller Cone Rock Bit
Application:
12/399,171 →
Sectorial Force Balancing of Drill Bits
Application:
12/399,478 →
Method of Texturing a Bearing Surface of a Roller Cone Rock Bit
Application:
12/398,730 →
Method to Determine Rock Properties from Drilling Logs
Application:
12/359,065 →
Impregnated Rotary Bit
Application:
12/326,757 →
Process for the Production of a Thermally Stable Polycrystalline Diamond Compact
Application:
12/252,145 →
Rock Bit with a Thermal Insulating Seal Ring Positioned in the Seal Gland
Application:
12/252,252 →
Single Mold Milling Process
Application:
12/180,276 →
Auto Adaptable Cutting Structure
Application:
12/171,070 →
Rock Bit Having a Seal Gland with a Conical Sealing Surface
Application:
12/147,238 →
Process for the Production of an Element Comprising at Least One Block of Dense Material Constituted by Hard Particles Dispersed in a Binder Phase: Application to Cutting or Drilling Tools
Application:
12/056,595 →