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NOTE:Results display only for issued patents and published applications. For pending or abandoned applications please consult USPTO staff.

Reel/Frame:	053285/0640			Pages:	21
		Recorded:	07/22/2020
Attorney Dkt #:	032880.0001
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Total properties: 36

1

Patent #:	6857474	Issue Dt:	02/22/2005	Application #:	09970041	Filing Dt:	10/02/2001
Publication #:	US20030065447	Pub Dt:	04/03/2003
Title:	METHODS, APPARATUS AND PRODUCTS USEFUL IN THE OPERATION OF A SUCKER ROD PUMP DURING THE PRODUCTION OF HYDROCARBONS

2

Patent #:	7255163	Issue Dt:	08/14/2007	Application #:	10914809	Filing Dt:	08/10/2004
Publication #:	US20060032635	Pub Dt:	02/16/2006
Title:	CONVERTIBLE ROTARY SEAL FOR PROGRESSING CAVITY PUMP DRIVEHEAD

3

Patent #:	7212923	Issue Dt:	05/01/2007	Application #:	10940273	Filing Dt:	01/05/2005
Publication #:	US20060149476	Pub Dt:	07/06/2006
Title:	INFERRED PRODUCTION RATES OF A ROD PUMPED WELL FROM SURFACE AND PUMP CARD INFORMATION

4

Patent #:	7927083	Issue Dt:	04/19/2011	Application #:	10959166	Filing Dt:	10/07/2004
Publication #:	US20060083645	Pub Dt:	04/20/2006
Title:	DOWNHOLE PUMP

5

Patent #:	7547196	Issue Dt:	06/16/2009	Application #:	11228109	Filing Dt:	09/16/2005
Publication #:	US20060067834	Pub Dt:	03/30/2006
Title:	METHOD FOR MITIGATING ROD FLOAT IN ROD PUMPED WELLS

6

Patent #:	7762321	Issue Dt:	07/27/2010	Application #:	11670239	Filing Dt:	02/01/2007
Publication #:	US20070261841	Pub Dt:	11/15/2007
Title:	HYDRAULIC OIL WELL PUMPING APPARATUS

7

Patent #:	7870900	Issue Dt:	01/18/2011	Application #:	11941848	Filing Dt:	11/16/2007
Publication #:	US20090129942	Pub Dt:	05/21/2009
Title:	SYSTEM AND METHOD FOR CONTROLLING A PROGRESSING CAVITY WELL PUMP

8

Patent #:	7874367	Issue Dt:	01/25/2011	Application #:	12121607	Filing Dt:	05/15/2008
Publication #:	US20080283250	Pub Dt:	11/20/2008
Title:	LOW CLEARANCE DOWNHOLE PUMP

9

Patent #:	8036829	Issue Dt:	10/11/2011	Application #:	12290477	Filing Dt:	10/31/2008
Publication #:	US20100111716	Pub Dt:	05/06/2010
Title:	APPARATUS FOR ANALYSIS AND CONTROL OF A RECIPROCATING PUMP SYSTEM BY DETERMINATION OF A PUMP CARD

10

Patent #:	8235107	Issue Dt:	08/07/2012	Application #:	12842423	Filing Dt:	07/23/2010
Publication #:	US20110014064	Pub Dt:	01/20/2011
Title:	HYDRAULIC OIL WELL PUMPING APPARATUS

11

Patent #:	8240221	Issue Dt:	08/14/2012	Application #:	12853211	Filing Dt:	08/09/2010
Publication #:	US20120031208	Pub Dt:	02/09/2012
Title:	BEAM PUMPING UNIT FOR INCLINED WELLHEAD

12

Patent #:	8433516	Issue Dt:	04/30/2013	Application #:	13175431	Filing Dt:	07/01/2011
Title:	APPARATUS FOR ANALYSIS AND CONTROL OF A RECIPROCATING PUMP SYSTEM BY DETERMINATION OF A PUMP CARD

13

Patent #:	8849594	Issue Dt:	09/30/2014	Application #:	13187330	Filing Dt:	07/20/2011
Publication #:	US20130024138	Pub Dt:	01/24/2013
Title:	METHODS FOR MEASURING LEAKAGE RATE AND INFERRING PRODUCTION RATE OF AN OILFIELD DOWNHOLE PUMP

14

Patent #:	8678082	Issue Dt:	03/25/2014	Application #:	13568874	Filing Dt:	08/07/2012
Publication #:	US20130058798	Pub Dt:	03/07/2013
Title:	HYDRAULIC OIL WELL PUMPING APPARATUS

15

Patent #:	9115574	Issue Dt:	08/25/2015	Application #:	13672642	Filing Dt:	11/08/2012
Publication #:	US20130306326	Pub Dt:	11/21/2013
Title:	LOW PROFILE ROD PUMPING UNIT WITH PNEUMATIC COUNTERBALANCE FOR THE ACTIVE CONTROL OF THE ROD STRING

16

Patent #:	9617837	Issue Dt:	04/11/2017	Application #:	14154798	Filing Dt:	01/14/2014
Publication #:	US20140196907	Pub Dt:	07/17/2014
Title:	HYDRAULIC OIL WELL PUMPING APPARATUS

17

Patent #:	11639660	Issue Dt:	05/02/2023	Application #:	14443878	Filing Dt:	05/19/2015
Publication #:	US20150275651	Pub Dt:	10/01/2015
Title:	REAL-TIME PUMP DIAGNOSTIC ALGORITHMS AND APPLICATION THEREOF

18

Patent #:	9915257	Issue Dt:	03/13/2018	Application #:	14541322	Filing Dt:	11/14/2014
Publication #:	US20150136418	Pub Dt:	05/21/2015
Title:	Deviation Tolerant Well Plunger Pump

19

Patent #:	9605670	Issue Dt:	03/28/2017	Application #:	14575789	Filing Dt:	12/18/2014
Publication #:	US20160177940	Pub Dt:	06/23/2016
Title:	METHOD AND SYSTEMS FOR ENHANCING FLOW OF A FLUID INDUCED BY A ROD PUMPING UNIT

20

Patent #:	10788031	Issue Dt:	09/29/2020	Application #:	14575819	Filing Dt:	12/18/2014
Publication #:	US20160177941	Pub Dt:	06/23/2016
Title:	METHODS AND SYSTEM FOR ENHANCING FLOW OF A FLUID INDUCED BY A ROD PUMPING UNIT

21

Patent #:	10024314	Issue Dt:	07/17/2018	Application #:	14814226	Filing Dt:	07/30/2015
Publication #:	US20170030170	Pub Dt:	02/02/2017
Title:	CONTROL SYSTEM AND METHOD OF CONTROLLING A ROD PUMPING UNIT

22

Patent #:	10422205	Issue Dt:	09/24/2019	Application #:	14833258	Filing Dt:	08/24/2015
Publication #:	US20160131128	Pub Dt:	05/12/2016
Title:	LOW PROFILE ROD PUMPING UNIT WITH PNEUMATIC COUNTERBALANCE FOR THE ACTIVE CONTROL OF THE ROD STRING

23

Patent #:	10851774	Issue Dt:	12/01/2020	Application #:	14945163	Filing Dt:	11/18/2015
Publication #:	US20170037845	Pub Dt:	02/09/2017
Title:	CONTROLLER AND METHOD OF CONTROLLING A ROD PUMPING UNIT

24

Patent #:	10781813	Issue Dt:	09/22/2020	Application #:	14965484	Filing Dt:	12/10/2015
Publication #:	US20170167482	Pub Dt:	06/15/2017
Title:	CONTROLLER FOR A ROD PUMPING UNIT AND METHOD OF OPERATION

25

Patent #:	10900481	Issue Dt:	01/26/2021	Application #:	15099342	Filing Dt:	04/14/2016
Publication #:	US20170298925	Pub Dt:	10/19/2017
Title:	ROD PUMPING UNIT AND METHOD OF OPERATION

26

Patent #:	10941761	Issue Dt:	03/09/2021	Application #:	15408335	Filing Dt:	01/17/2017
Publication #:	US20180202596	Pub Dt:	07/19/2018
Title:	Rear Leg Connection for Beam Pumping Unit

27

Patent #:	10590725	Issue Dt:	03/17/2020	Application #:	15422337	Filing Dt:	02/01/2017
Publication #:	US20170218715	Pub Dt:	08/03/2017
Title:	Optical Alignment System for Beam Pumping Unit

28

Patent #:	11028844	Issue Dt:	06/08/2021	Application #:	15424452	Filing Dt:	02/03/2017
Publication #:	US20170268500	Pub Dt:	09/21/2017
Title:	CONTROLLER AND METHOD OF CONTROLLING A ROD PUMPING UNIT

29

Patent #:	10815984	Issue Dt:	10/27/2020	Application #:	15666526	Filing Dt:	08/01/2017
Publication #:	US20190040857	Pub Dt:	02/07/2019
Title:	Beam Pumping Unit with Geometry Optimized for Bearing Stress Reduction

30

Patent #:	NONE	Issue Dt:		Application #:	15881533	Filing Dt:	01/26/2018
Publication #:	US20180216607	Pub Dt:	08/02/2018
Title:	Load Shedding Control System for Pumps

31

Patent #:	NONE	Issue Dt:		Application #:	16019357	Filing Dt:	06/26/2018
Publication #:	US20180371717	Pub Dt:	12/27/2018
Title:	Integral Precast Foundation Base for Pumping Unit

32

Patent #:	NONE	Issue Dt:		Application #:	16105236	Filing Dt:	08/20/2018
Publication #:	US20190056057	Pub Dt:	02/21/2019
Title:	INTEGRATED BASE ASSEMBLY FOR BEAM PUMPING UNIT

33

Patent #:	NONE	Issue Dt:		Application #:	16155403	Filing Dt:	10/09/2018
Publication #:	US20190107105	Pub Dt:	04/11/2019
Title:	Linear Drive Beam Pumping Unit

34

Patent #:	11572772	Issue Dt:	02/07/2023	Application #:	16748750	Filing Dt:	01/21/2020
Publication #:	US20200232312	Pub Dt:	07/23/2020
Title:	SYSTEM AND METHOD FOR EVALUATING RECIPROCATING DOWNHOLE PUMP DATA USING POLAR COORDINATE ANALYTICS

35

Patent #:	11168550	Issue Dt:	11/09/2021	Application #:	16792023	Filing Dt:	02/14/2020
Publication #:	US20200263523	Pub Dt:	08/20/2020
Title:	SEAL CONFIGURATION FOR DOWNHOLE RECIPROCATING PUMPS

36

Patent #:	NONE	Issue Dt:		Application #:	16820684	Filing Dt:	03/16/2020
Publication #:	US20200217164	Pub Dt:	07/09/2020
Title:	Optical Alignment System for Beam Pumping Unit

Assignors

1

LUFKIN INDUSTRIES, LLC

Exec Dt:

06/30/2020

2

BAKER HUGHES HOLDINGS LLC FKA BAKER HUGHES, A GE COMPANY, LLC FKA BAKER HUGHES INCORPORATED

Exec Dt:

06/30/2020

3

BAKER HUGHES OILFIELD OPERATIONS, LLC

Exec Dt:

06/30/2020

4

QUINN PUMPS CANADA LTD.

Exec Dt:

06/30/2020

Assignee

1

RAVDOS HOLDINGS INC.

485 LEXINGTON AVENUE

31ST FLOOR

NEW YORK, NEW YORK 10017

Correspondence name and address
	DENTONS COHEN & GRIGSBY P.C.
	625 LIBERTY AVENUE
	PITTSBURGH, PA 15222-3152

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