Patent Assignment
Reel/Frame 053090/0860
Security Interest
Recorded: 2020-06-30
Pages: 12
Assignor
VAREL INTERNATIONAL IND., LLC
Executed: 2020-06-30
Assignee
INVESTEC BANK PLC
30 GRESHAM STREET, LONDON, EC2V 7QP, UNITED KINGDOM
Covered Properties
(24)
Drag-Type Casing Mill/Drill Bit
Drill Out Bi-Center Bit and Method for Using Same
High-Energy Cascading of Abrasive Wear Components
Drill Bit with Multiple Cutter Geometries
Rock Bit Having a Seal Gland with a Conical Sealing Surface
Single Mold Milling Process
Rock Bit with a Thermal Insulating Seal Ring Positioned in the Seal Gland
Method to Determine Rock Properties from Drilling Logs
Drill Bit Supporting Multiple Cutting Elements with Multiple Cutter Geometries and Method of Assembly
Rock Bit Having a Seal Gland with a Conical Sealing Surface
Rock Bit Having a Seal Gland with a Conical Sealing Surface
Auto Adaptable Cutting Structure
Rock Bit with a Thermal Insulating Seal Ring Positioned in the Seal Gland
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
Shoulder Durability Enhancement for a Pdc Drill Bit Using Secondary and Tertiary Cutting Elements
Wear Resistant Material at the Leading Edge of the Leg for a Rotary Cone Drill Bit
Use of Capacitance to Analyze Polycrystalline Diamond
Hybrid Rotary Cone Drill Bit
Non-Destructive Leaching Depth Measurement Using Capacitance Spectroscopy
Method for Drilling Out a Plug Using a Hybrid Rotary Cone Drill Bit
Roller Cone Drill Bit with Improved Erosion Resistance
Bit for Drilling with Casing or Liner String and Manufacture Thereof
Superabrasive Cutters for Earth Boring Bits with Multiple Raised Cutting Surfaces
Related Assignments
(9)
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 →
Security Agreement
Sep 26, 2011
From: VAREL INTERNATIONAL IND., L.P.
To: DRILLBIT WCF II LIMITED
Reel/Frame 026970/0678 →
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
Apr 28, 2016
From: GALLIFET, THOMAS; HARRINGTON, DAVID
To: VAREL INTERNATIONAL IND., L.P.
Reel/Frame 038400/0363 →
Assignment of Assignor's Interest
Jan 29, 2021
From: VAREL INTERNATIONAL IND., L.P.
To: TERELION, LLC
Reel/Frame 055073/0505 →