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Patent Assignment Details

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

Reel/Frame:	005277/0584			Pages:	87
		Recorded:	03/27/1990
Conveyance:	SECURITY INTEREST (SEE DOCUMENT FOR DETAILS).

Total properties: 98

Patent #:	3641819	Issue Dt:		Application #:	04691527	Filing Dt:
Title:

Patent #:	3654458	Issue Dt:		Application #:	04789179	Filing Dt:
Title:

Patent #:	3683189	Issue Dt:		Application #:	04876455	Filing Dt:
Title:

Patent #:	3691408	Issue Dt:		Application #:	05006160	Filing Dt:
Title:

Patent #:	3698554	Issue Dt:		Application #:	05031935	Filing Dt:
Title:

Patent #:	3726068	Issue Dt:		Application #:	05086559	Filing Dt:
Title:

Patent #:	3688573	Issue Dt:	09/05/1972	Application #:	05088656	Filing Dt:	11/12/1970
Title:	MEANS FOR DETERMINING FLOW RATE AND VOLUME OF A FLOWING FLUID MASS

Patent #:	3643507	Issue Dt:		Application #:	05088806	Filing Dt:
Title:

Patent #:	3673850	Issue Dt:		Application #:	05094758	Filing Dt:
Title:

Patent #:	3731091	Issue Dt:		Application #:	05158436	Filing Dt:
Title:

Patent #:	3772180	Issue Dt:		Application #:	05197400	Filing Dt:
Title:

Patent #:	3918889	Issue Dt:		Application #:	05243139	Filing Dt:
Title:

Patent #:	3939395	Issue Dt:		Application #:	05244394	Filing Dt:
Title:

Patent #:	3801064	Issue Dt:		Application #:	05276632	Filing Dt:
Title:

Patent #:	3795091	Issue Dt:		Application #:	05281884	Filing Dt:
Title:

Patent #:	3919081	Issue Dt:		Application #:	05285713	Filing Dt:
Title:

Patent #:	3849285	Issue Dt:		Application #:	05289716	Filing Dt:
Title:

Patent #:	3840044	Issue Dt:		Application #:	05297567	Filing Dt:
Title:

Patent #:	3813855	Issue Dt:	06/04/1974	Application #:	05313223	Filing Dt:	12/08/1972
Title:	SEPARATOR

Patent #:	3820400	Issue Dt:		Application #:	05314161	Filing Dt:
Title:

Patent #:	3847775	Issue Dt:		Application #:	05333903	Filing Dt:
Title:

Patent #:	3798968	Issue Dt:		Application #:	05335882	Filing Dt:
Title:

Patent #:	3835816	Issue Dt:		Application #:	05356692	Filing Dt:
Title:

Patent #:	3850599	Issue Dt:		Application #:	05399903	Filing Dt:
Title:

Patent #:	3851625	Issue Dt:		Application #:	05405355	Filing Dt:
Title:

Patent #:	3905891	Issue Dt:		Application #:	05438986	Filing Dt:
Title:

Patent #:	3869264	Issue Dt:		Application #:	05449124	Filing Dt:
Title:

Patent #:	3996800	Issue Dt:		Application #:	05470891	Filing Dt:
Title:

Patent #:	3877904	Issue Dt:	04/15/1978	Application #:	05480328	Filing Dt:	06/18/1974
Title:	GAS-LIQUID SEPARATOR

Patent #:	3991303	Issue Dt:		Application #:	05492946	Filing Dt:
Title:

Patent #:	3960525	Issue Dt:		Application #:	05575914	Filing Dt:
Title:

Patent #:	4006087	Issue Dt:		Application #:	05580432	Filing Dt:
Title:

Patent #:	3970143	Issue Dt:		Application #:	05589329	Filing Dt:
Title:

Patent #:	3999885	Issue Dt:		Application #:	05613691	Filing Dt:
Title:

Patent #:	4000932	Issue Dt:		Application #:	05613692	Filing Dt:
Title:

Patent #:	4001701	Issue Dt:		Application #:	05616789	Filing Dt:
Title:

Patent #:	4025798	Issue Dt:		Application #:	05619554	Filing Dt:
Title:

Patent #:	4056733	Issue Dt:		Application #:	05646220	Filing Dt:
Title:

Patent #:	3977850	Issue Dt:		Application #:	05658210	Filing Dt:
Title:

Patent #:	4184837	Issue Dt:		Application #:	05675109	Filing Dt:
Title:

Patent #:	4019468	Issue Dt:		Application #:	05675356	Filing Dt:
Title:

Patent #:	4075102	Issue Dt:		Application #:	05685955	Filing Dt:
Title:

Patent #:	4052996	Issue Dt:	10/11/1977	Application #:	05689607	Filing Dt:	05/24/1976
Title:	FLUID PRESSURE RELAY

Patent #:	4062324	Issue Dt:		Application #:	05691748	Filing Dt:
Title:

Patent #:	4117806	Issue Dt:		Application #:	05699778	Filing Dt:
Title:

Patent #:	4073734	Issue Dt:		Application #:	05717793	Filing Dt:
Title:

Patent #:	4122382	Issue Dt:		Application #:	05789042	Filing Dt:
Title:

Patent #:	4107270	Issue Dt:		Application #:	05807936	Filing Dt:
Title:

Patent #:	4126537	Issue Dt:		Application #:	05816115	Filing Dt:
Title:

Patent #:	4116790	Issue Dt:		Application #:	05816227	Filing Dt:
Title:

Patent #:	4120769	Issue Dt:		Application #:	05819320	Filing Dt:
Title:

Patent #:	4109526	Issue Dt:	08/29/1978	Application #:	05822488	Filing Dt:	08/08/1977
Title:	TURBINE METER FOR BI-DIRECTIONAL MEASUREMENT OF FLUID FLOW

Patent #:	4132453	Issue Dt:		Application #:	05825798	Filing Dt:
Title:

Patent #:	4115084	Issue Dt:		Application #:	05826285	Filing Dt:
Title:

Patent #:	4151856	Issue Dt:		Application #:	05841497	Filing Dt:
Title:

Patent #:	4161439	Issue Dt:		Application #:	05892612	Filing Dt:
Title:

Patent #:	4181021	Issue Dt:		Application #:	05906492	Filing Dt:
Title:

Patent #:	4200203	Issue Dt:	04/29/1980	Application #:	05910322	Filing Dt:	05/30/1978
Title:	ELECTRIC CIRCUIT FOR REGULATING FLOW OF FLUID TO A BATCH WITH AN ADJUSTMENT OF THE FLOW A PREDETERMINED INTERVAL PRIOR TO COMPLETION OF THE BATCH

Patent #:	4200516	Issue Dt:	04/29/1980	Application #:	05929045	Filing Dt:	07/28/1978
Title:	ELECTROSTATIC COALESCING SYSTEM

Patent #:	4201755	Issue Dt:	05/06/1980	Application #:	05949707	Filing Dt:	10/10/1978
Title:	SULFUR DIOXIDE SCRUBBING SYSTEM

Patent #:	4208196	Issue Dt:		Application #:	05955819	Filing Dt:
Title:

Patent #:	4220505	Issue Dt:		Application #:	05966829	Filing Dt:
Title:

Patent #:	4221577	Issue Dt:		Application #:	06026495	Filing Dt:
Title:

Patent #:	4224124	Issue Dt:		Application #:	06071154	Filing Dt:
Title:

Patent #:	4268277	Issue Dt:	05/19/1981	Application #:	06079017	Filing Dt:	09/26/1979
Title:	MULTI-TUBULAR CENTRIFUGAL LIQUID SEPARATOR AND METHOD OF SEPARATION

Patent #:	4286206	Issue Dt:	08/25/1981	Application #:	06082442	Filing Dt:	10/09/1979
Title:	LOAD-RESPONSIVE TREATER CONTROLLER

Patent #:	4289093	Issue Dt:	09/15/1981	Application #:	06089674	Filing Dt:	10/30/1979
Title:	STEAM GENERATOR

Patent #:	4276271	Issue Dt:	06/30/1981	Application #:	06099942	Filing Dt:	12/03/1979
Title:	PROCESS FOR THE REMOVAL OF HYDROGEN SULFIDE FROM GAS MIXTURES

Patent #:	4345801	Issue Dt:	08/24/1982	Application #:	06122091	Filing Dt:	02/19/1980
Title:	TURBINE METER ROTOR BEARING

Patent #:	4321132	Issue Dt:	03/23/1982	Application #:	06149109	Filing Dt:	05/12/1980
Title:	DISTILLATION OF CRUDE OIL

Patent #:	4340938	Issue Dt:	07/20/1982	Application #:	06166207	Filing Dt:	07/07/1980
Title:	NET OIL COMPUTER

Patent #:	4324734	Issue Dt:	04/13/1982	Application #:	06200733	Filing Dt:	10/27/1980
Title:	DE-EMULSIFIER

Patent #:	4383445	Issue Dt:	05/17/1983	Application #:	06229436	Filing Dt:	01/29/1981
Title:	CAPACITANCE CIRCUIT FOR LEVEL MEASUREMENT

Patent #:	4308127	Issue Dt:	12/29/1981	Application #:	06230227	Filing Dt:	02/02/1981
Title:	SEPARATION OF EMULSIONS WITH ELECTRIC FIELD

Patent #:	4417971	Issue Dt:	11/29/1983	Application #:	06325799	Filing Dt:	11/30/1981
Title:	CIRCUIT FOR MAINTAINING THE STRENGHT OF AN ELECTROSTATIC FIELD GENERATED IN A FLUID MIXTURE OF VARYING DIELECTRIC STRENGTH

Patent #:	4469582	Issue Dt:	09/04/1984	Application #:	06360253	Filing Dt:	03/22/1982
Title:	ELECTRICALLY ENHANCED INCLINED PLATE SEPARATOR

Patent #:	4413523	Issue Dt:	11/08/1983	Application #:	06371084	Filing Dt:	04/23/1982
Title:	SYSTEM FOR DAMPENING PULSATIONS OR OSCILLATIONS IN A FORCE-BALANCE INSTRUMENT

Patent #:	4804453	Issue Dt:	02/14/1989	Application #:	06385349	Filing Dt:	06/07/1982
Title:	RESOLUTION OF EMULSIONS WITH MULTIPLE ELECTRIC FIELDS

Patent #:	4437830	Issue Dt:	03/20/1984	Application #:	06399558	Filing Dt:	07/19/1982
Title:	BURNER AND PILOT VALVE SAFETY CONTROL SYSTEM

Patent #:	4400253	Issue Dt:	08/23/1983	Application #:	06442209	Filing Dt:	09/30/1982
Title:	VOLTAGE CONTROL SYSTEM FOR ELECTROSTATIC OIL TREATER

Patent #:	4479164	Issue Dt:	10/23/1984	Application #:	06443076	Filing Dt:	08/09/1982
Title:	CONTROL FOR AN ELECTROSTATIC TREATER

Patent #:	4493591	Issue Dt:	01/15/1985	Application #:	06466803	Filing Dt:	02/16/1983
Title:	FLOTATABLE OFFSHORE PRODUCTION STRUCTURE AND METHOD FOR FABRICATION TRANSPORT AND INSTALLATION OF SAME

Patent #:	4486203	Issue Dt:	12/04/1984	Application #:	06485526	Filing Dt:	04/15/1983
Title:	INLET MOMENTUM ABSORBER FOR FLUID SEPARATION

Patent #:	4539523	Issue Dt:	09/03/1985	Application #:	06501683	Filing Dt:	06/06/1983
Title:	FREQUENCY TO VOLTAGE CONVERTER FOR A PREDETERMINED FREQUENCY RANGE

Patent #:	4539464	Issue Dt:	09/03/1985	Application #:	06526941	Filing Dt:	08/29/1983
Title:	JOINING PARALLEL FACES OF THICK-WALLED STRUCTURES BY ARC WELDING

Patent #:	4489679	Issue Dt:	12/25/1984	Application #:	06560463	Filing Dt:	12/12/1983
Title:	CONTROL SYSTEM FOR ECONOMIC OPERATION OF A STEAM GENERATOR

Patent #:	4555332	Issue Dt:	11/26/1985	Application #:	06574312	Filing Dt:	01/27/1984
Title:	TREATMENT OF OIL WELL PRODUCTION

Patent #:	4539164	Issue Dt:	09/03/1985	Application #:	06598128	Filing Dt:	04/09/1984
Title:	METHOD FOR FABRICATING A SUPPORT FOR A BUBBLE CAP ON THE END OF ITS RISER TUBE

Patent #:	4613303	Issue Dt:	09/23/1986	Application #:	06639612	Filing Dt:	08/10/1984
Title:	COMBUSTION AIR CONTROL IN AN IN-LINE FLAME ARRESTOR

Patent #:	4581120	Issue Dt:	04/08/1986	Application #:	06652364	Filing Dt:	09/19/1984
Title:	METHOD AND APPARATUS FOR SEPARATING OILFIELD EMULSIONS

Patent #:	4597874	Issue Dt:	07/01/1986	Application #:	06709146	Filing Dt:	03/07/1985
Title:	TREATMENT OF OIL WELL PRODUCTION

Patent #:	4648806	Issue Dt:	03/10/1987	Application #:	06743850	Filing Dt:	06/12/1985
Title:	GAS COMPRESSOR

Patent #:	4604196	Issue Dt:	08/05/1986	Application #:	06755520	Filing Dt:	07/16/1985
Title:	MARINE SEPARATOR FOR FLUIDS OF DIFFERENT DENSITIES

Patent #:	4606801	Issue Dt:	08/19/1986	Application #:	06755524	Filing Dt:	07/16/1985
Title:	ELECTROSTATIC MIXER/SEPARATOR

Patent #:	4624704	Issue Dt:	11/25/1986	Application #:	06783285	Filing Dt:	10/02/1985
Title:	SELECTIVE RECOVERY OF ZINC FROM METAL CONTAINING BRINES

Patent #:	4702815	Issue Dt:	10/27/1987	Application #:	06859568	Filing Dt:	05/05/1986
Title:	DISTRIBUTED CHARGE COMPOSITION ELECTRODES AND DESALTING SYSTEM

Patent #:	4755194	Issue Dt:	07/05/1988	Application #:	07067832	Filing Dt:	06/29/1987
Title:	METHOD FOR INTRODUCING A MIXTURE OF GAS AND LIQUID INTO A SEPARATOR VESSEL

Patent #:	4204934	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Assignor

NATIONAL TANK COMPANY, 3810 SOUTH 103RD EAST AVENUE, TULSA, OK. 74146, A CORP. OF DE.

Exec Dt:

06/21/1989

Assignee

CONTINENTAL BANK N.A., A NATIONAL BANKING ASSOCIATION

231 SOUTH LASALLE STREET

CHICAGO, ILLINOIS 60697

Correspondence name and address
	SIDLEY & AUSTIN
	ONE FIRST NATIONAL PLAZA
	CHICAGO, IL. 60603

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