Patent Assignment
Reel/Frame 026970/0678
Security Agreement
Recorded: 2011-09-26
Pages: 21
Assignor
VAREL INTERNATIONAL IND., L.P.
Executed: 2011-08-30
Assignee
DRILLBIT WCF II LIMITED
C/O PAGET-BROWN TRUST COMPANY LTD., BOUNDARY HALL, CRICKET SQUARE, PO BOX 1111, GRAND CAYMAN, KY1-1102, CAYMAN ISLANDS
Covered Properties
(65)
Single Mold Milling Process
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
Process for Manufacturing a Part Comprising a Block of Dense Material Constituted of Hard Particles and of Binder Phase Having a Gradient of Properties, and Resulting Part
Process for the Production of a Thermally Stable Polycrystalline Diamond Compact
Impregnated Rotary Bit
Texturing of the Seal Surface for a Roller Cone Rock Bit
Method of Texturing a Bearing Surface of a Roller Cone Rock Bit
Casing Bit and Casing Reamer Designs
Multi-Set Pdc Drill Bit and Method
Drill Bit Supporting Multiple Cutting Elements with Multiple Cutter Geometries and Method of Assembly
Polycrystalline Diamond Cutter with High Thermal Conductivity
Backfilled Polycrystalline Diamond Cutter with High Thermal Conductivity
Rock Bit Having a Seal Gland with a Conical Sealing Surface
Milling Cap for a Polycrystalline Diamond Compact Cutter
Whipstock Attachment to a Fixed Cutter Drilling or Milling Bit
Method to Determine Rock Properties from Drilling Logs
Sectorial Force Balancing of Drill Bits
Self Positioning Cutter and Pocket
High Energy Treatment of Cutter Substrates Having a Wear Resistant Layer
Force Balanced Asymmetric Drilling Reamer and Methods for Force Balancing
Auto Adaptable Cutting Structure
Acoustic Emission Toughness Testing Having Smaller Noise Ratio
Ultrasound Assisted Electrochemical Catalyst Removal For Superhard Materials
Application:
61/502,014 →
Alloys With Low Coefficient Of Thermal Expansion As PDC Catalysts And Binders
Application:
13/180,414 →
Publication:
US US20120012402A1
Pdc Disc Cutters and Rotary Drill Bits Utilizing Pdc Disc Cutters
Application:
61/507,503 →
Patterned Texturing of the Seal Surface for a Roller Cone Rock Bit
Shoulder Durability Enhancement for a Pdc Drill Bit Using Secondary and Tertiary Cutting Elements
Method and Apparatus for Reducing Lubricant Pressure Pulsation Within a Rotary Cone Rock Bit
Method and Apparatus for Reducing Lubricant Pressure Pulsation Within a Rotary Cone Rock Bit
Wear Resistant Material at the Shirttail Edge and Leading Edge of a Rotary Cone Drill Bit
Wear Resistant Material for the Shirttail Outer Surface of a Rotary Cone Drill Bit
Semi-Sealed Blast Hole Bit and Method for Drilling
Rock Bit Having a Mechanical Seal with Superior Thermal Performance
Impregnated Rotary Bit
Casing End Tool
Application:
13/095,746 →
Publication:
US US20110209922A1
Wear Resistant Material at the Leading Edge of the Leg for a Rotary Cone Drill Bit
Rock Bit Having a Labyrinth Seal/Bearing Protection Structure
Texturing of the Seal Surface for a Roller Cone Rock Bit
Impregnated Rotary Bit
Bearing Seal
Bearing Seal
Breakable Washer Earth Boring Bit
Drag-Type Casing Mill/Drill Bit
Drill Out Bi-Center Bit and Method for Using Same
High-Energy Cascading of Abrasive Wear Components
Low-Contact Area Cutting Element
Rock Bit with Improved Thrust Face
Patent:
5,944,125 →
Application:
08/878,622 →
Rotary Cone Bit for Cutting Removal
Patent:
6,450,270 →
Application:
09/669,998 →
Spiral Wave Bladed Drag Bit
Patent:
6,834,733 →
Application:
10/235,690 →
Superabrasive Cutting Element
Patent:
6,488,106 →
Application:
09/777,295 →
Rock Bit Having a Seal Gland with a Conical Sealing Surface
Drill Bit with Multiple Cutter Geometries
Rock Bit with a Thermal Insulating Seal Ring Positioned in the Seal Gland
Rock Bit with a Thermal Insulating Seal Ring Positioned in the Seal Gland
Texturing of the Seal Surface for a Roller Cone Rock Bit
PCT:
PCT/US2009/037029 ↗
Texturing of the Bearing Surface for a Roller Cone Rock Bit
PCT:
PCT/US2009/037006 ↗
Process for the Production of a Thermally Stable Polycrystalline Diamond Compact
PCT:
PCT/US2009/060547 ↗
Multi-Set Pdc Drill Bit and Method
PCT:
PCT/US2009/068573 ↗
Polycrystalline Diamond Cutter with High Thermal Conductivity
PCT:
PCT/US2010/028810 ↗
Backfilled Polycrystalline Diamond Cutter with High Thermal Conductivity
PCT:
PCT/US2010/028807 ↗
Self Positioning Cutter and Pocket
PCT:
PCT/US2010/029298 ↗
Alloys with Low Coefficient of Thermal Expansion as Pdc Catalysts and Binders
PCT:
PCT/US2011/043589 ↗
Milling Cap for a Polycrystalline Diamond Compact Cutter
PCT:
PCT/US2010/036466 ↗
Whipstock Attachment to a Fixed Cutter Drilling or Milling Bit
PCT:
PCT/US2010/036668 ↗
Casing Bit and Casing Reamer Designs
PCT:
PCT/US2010/037330 ↗
Related Assignments
(12)
Other recorded transfers of the patents in this record — the chain of ownership.
Security Agreement
Mar 1, 2011
From: VAREL INTERNATIONAL IND., L.P.
To: DRILLBIT WCF LIMITED
Reel/Frame 025877/0447 →
Release of Security Interest
Feb 8, 2012
From: DRILLBIT WCF II LIMITED
To: VAREL INTERNATIONAL IND., L.P.
Reel/Frame 027787/0370 →
Release of Security Interest
Jan 16, 2013
From: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH
To: VAREL INTERNATIONAL IND., L.P.
Reel/Frame 029644/0462 →
Patent Security Agreement
Jan 23, 2013
From: VAREL INTERNATIONAL IND., L.P.
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH, AS COLLATERAL AGENT
Reel/Frame 029682/0024 →
Security Agreement
Jan 31, 2013
From: VAREL INTERNATIONAL ENERGY FUNDING CORP.
To: CREDIT SUISSE AG, CAYMAN ISLANDS BRANCH
Reel/Frame 029731/0721 →
Release of Security Interest
Jun 4, 2014
From: CREDIT SUISSE AG, CAYMAN ISLAND BRANCH
To: VAREL INTERNATIONAL IND., L.P
Reel/Frame 033083/0969 →
Assignment of Assignor's Interest
Nov 14, 2018
From: VAREL INTERNATIONAL, IND., LP.
To: ASSOCIATION POUR LA RECHERCHE ET LE DEVELOPPEMENT DES METHODES ET PROCESSUS LNDUSTRIELS - ARMINES
Reel/Frame 047498/0363 →
Assignment of Assignor's Interest
Nov 14, 2018
From: VAREL INTERNATIONAL, IND., LP.
To: ASSOCIATION POUR LA RECHERCHE ET LE DEVELOPPEMENT DES METHODES ET PROCESSUS LNDUSTRIELS - ARMINES
Reel/Frame 047499/0110 →
Assignment of Assignor's Interest
Nov 14, 2018
From: VAREL INTERNATIONAL, IND., LP.
To: ASSOCIATION POUR LA RECHERCHE ET LE DEVELOPPEMENT DES METHODES ET PROCESSUS LNDUSTRIELS - ARMINES
Reel/Frame 047498/0715 →
Security Interest
Jun 30, 2020
From: VAREL INTERNATIONAL IND., LLC
To: INVESTEC BANK PLC
Reel/Frame 053090/0860 →
Assignment of Assignor's Interest
Jan 29, 2021
From: VAREL INTERNATIONAL IND., L.P.
To: SANDVIK MINING AND CONSTRUCTION TOOLS AB
Reel/Frame 055073/0163 →
Assignment of Assignor's Interest
Jan 29, 2021
From: VAREL INTERNATIONAL IND., L.P.
To: TERELION, LLC
Reel/Frame 055073/0505 →