Patent Assignment
Reel/Frame 056362/0902
Security Interest
Recorded: 2021-05-26
Pages: 9
Assignor
RAVDOS HOLDINGS INC.
Executed: 2020-07-30
Assignee
PNC BANK, NATIONAL ASSOCIATION
500 FIRST AVENUE, COMMERCIAL LOAN SERVICE CENTER/DCC, PITTSBURGH, PENNSYLVANIA, 15219
Covered Properties
(36)
Methods, Apparatus and Products Useful in the Operation of a Sucker Rod Pump During the Production of Hydrocarbons
Convertible Rotary Seal for Progressing Cavity Pump Drivehead
Inferred Production Rates of a Rod Pumped Well from Surface and Pump Card Information
Downhole Pump
Method for Mitigating Rod Float in Rod Pumped Wells
Hydraulic Oil Well Pumping Apparatus
System and Method for Controlling a Progressing Cavity Well Pump
Low Clearance Downhole Pump
Apparatus for Analysis and Control of a Reciprocating Pump System by Determination of a Pump Card
Hydraulic Oil Well Pumping Apparatus
Beam Pumping Unit for Inclined Wellhead
Apparatus for Analysis and Control of a Reciprocating Pump System by Determination of a Pump Card
Patent:
8,433,516 →
Application:
13/175,431 →
Methods for Measuring Leakage Rate and Inferring Production Rate of an Oilfield Downhole Pump
Hydraulic Oil Well Pumping Apparatus
Low Profile Rod Pumping Unit with Pneumatic Counterbalance for the Active Control of the Rod String
Hydraulic Oil Well Pumping Apparatus
Real-Time Pump Diagnostic Algorithms and Application Thereof
Deviation Tolerant Well Plunger Pump
Method and Systems for Enhancing Flow of a Fluid Induced by a Rod Pumping Unit
Methods and System for Enhancing Flow of a Fluid Induced by a Rod Pumping Unit
Control System and Method of Controlling a Rod Pumping Unit
Low Profile Rod Pumping Unit with Pneumatic Counterbalance for the Active Control of the Rod String
Controller and Method of Controlling a Rod Pumping Unit
Controller for a Rod Pumping Unit and Method of Operation
Rod Pumping Unit and Method of Operation
Rear Leg Connection for Beam Pumping Unit
Optical Alignment System for Beam Pumping Unit
Controller and Method of Controlling a Rod Pumping Unit
Beam Pumping Unit with Geometry Optimized for Bearing Stress Reduction
Load Shedding Control System for Pumps
Application:
15/881,533 →
Publication:
US 2018/0216607
Integral Precast Foundation Base for Pumping Unit
Application:
16/019,357 →
Publication:
US 2018/0371717
Integrated Base Assembly for Beam Pumping Unit
Application:
16/105,236 →
Publication:
US 2019/0056057
Linear Drive Beam Pumping Unit
Application:
16/155,403 →
Publication:
US 2019/0107105
System and Method for Evaluating Reciprocating Downhole Pump Data Using Polar Coordinate Analytics
Seal Configuration for Downhole Reciprocating Pumps
Optical Alignment System for Beam Pumping Unit
Application:
16/820,684 →
Publication:
US 2020/0217164
Related Assignments
(11)
Other recorded transfers of the patents in this record — the chain of ownership.
Change of Name
Feb 6, 2014
From: LUFKIN INDUSTRIES, INC.
To: LUFKIN INDUSTRIES, LLC
Reel/Frame 032166/0573 →
Assignment of Assignor's Interest
May 9, 2014
From: DOYLE, DAVID W.
To: LUFKIN INDUSTRIES, LLC
Reel/Frame 032857/0794 →
Change of Name
Aug 7, 2014
From: LUFKIN INDUSTRIES, INC.
To: LUFKIN INDUSTRIES, LLC
Reel/Frame 033494/0400 →
Assignment of Assignor's Interest
Jun 24, 2015
From: CHEN, ZENGSHI; DORADO, DONEIL MACUSI; OESTREICH, ERIC; HUGHES, GARY
To: LUFKIN INDUSTRIES, LLC
Reel/Frame 035962/0228 →
Assignment of Assignor's Interest
Feb 16, 2017
From: VINCENT, KENNETH H; LASSEIGNE, JOEL
To: LUFKIN INDUSTRIES, LLC
Reel/Frame 041279/0148 →
Merger and Change of Name
Jul 21, 2020
From: PENTAGON OPTIMIZATION SERVICES INC.; GRENCO ENERGY SERVICES INC.; QUINN PUMPS CANADA LTD.
To: QUINN PUMPS CANADA LTD.
Reel/Frame 053286/0759 →
Assignment of Assignor's Interest
Jul 21, 2020
From: FESI, MICHAEL A; LAPEYROUSE, WILLARD J; VINCENT, KENNETH H
To: PETRO HYDRAULIC LIFT SYSTEM, L.L.C.
Reel/Frame 053264/0466 →
Assignment of Assignor's Interest
Jul 21, 2020
From: PETRO HYDRAULIC LIFT SYSTEM, L.L.C.
To: LUFKIN INDUSTRIES, INC.
Reel/Frame 053264/0634 →
Assignment of Assignor's Interest
Jul 22, 2020
From: LUFKIN INDUSTRIES, LLC; BAKER HUGHES HOLDINGS LLC FKA BAKER HUGHES, A GE COMPANY, LLC FKA BAKER HUGHES INCORPORATED; BAKER HUGHES OILFIELD OPERATIONS, LLC; QUINN PUMPS CANADA LTD.
To: RAVDOS HOLDINGS INC.
Reel/Frame 053285/0640 →
Partial Termination and Release of Patent Security Agreement
Apr 16, 2025
From: PNC BANK, NATIONAL ASSOCIATION
To: RAVDOS HOLDINGS INC.
Reel/Frame 070863/0829 →
Assignment of Assignor's Interest
Jul 18, 2025
From: RAVDOS HOLDINGS INC.
To: Q2 ARTIFICIAL LIFT SERVICES LLC
Reel/Frame 071755/0547 →