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Patent Assignment Details

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Reel/Frame:	004859/0891			Pages:	8
		Recorded:	03/09/1988
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Total properties: 174
Page 1 of 2
Pages: 1 2

Patent #:	3630967	Issue Dt:		Application #:	04647245	Filing Dt:
Title:

Patent #:	3574094	Issue Dt:		Application #:	04738456	Filing Dt:
Title:

Patent #:	3574497	Issue Dt:		Application #:	04794670	Filing Dt:
Title:

Patent #:	3583831	Issue Dt:		Application #:	04796707	Filing Dt:
Title:

Patent #:	3583842	Issue Dt:		Application #:	04805631	Filing Dt:
Title:

Patent #:	3607158	Issue Dt:		Application #:	04806552	Filing Dt:
Title:

Patent #:	3639648	Issue Dt:		Application #:	04807930	Filing Dt:
Title:

Patent #:	3660276	Issue Dt:		Application #:	04809016	Filing Dt:
Title:

Patent #:	3701811	Issue Dt:		Application #:	04816046	Filing Dt:
Title:

Patent #:	3642460	Issue Dt:		Application #:	04819375	Filing Dt:
Title:

Patent #:	3649169	Issue Dt:		Application #:	04830511	Filing Dt:
Title:

Patent #:	3626922	Issue Dt:		Application #:	05007684	Filing Dt:
Title:

Patent #:	3717699	Issue Dt:		Application #:	05039223	Filing Dt:
Title:

Patent #:	3939874	Issue Dt:		Application #:	05044374	Filing Dt:
Title:

Patent #:	3695816	Issue Dt:		Application #:	05085619	Filing Dt:
Title:

Patent #:	3704095	Issue Dt:		Application #:	05111814	Filing Dt:
Title:

Patent #:	3700270	Issue Dt:		Application #:	05121944	Filing Dt:
Title:

Patent #:	3798315	Issue Dt:		Application #:	05192032	Filing Dt:
Title:

Patent #:	RE27599	Issue Dt:		Application #:	05235051	Filing Dt:
Title:

Patent #:	3868226	Issue Dt:		Application #:	05256834	Filing Dt:
Title:

Patent #:	3807225	Issue Dt:		Application #:	05263675	Filing Dt:
Title:

Patent #:	3847836	Issue Dt:		Application #:	05270850	Filing Dt:
Title:

Patent #:	3784465	Issue Dt:		Application #:	05275697	Filing Dt:
Title:

Patent #:	3810833	Issue Dt:		Application #:	05283469	Filing Dt:
Title:

Patent #:	3859415	Issue Dt:		Application #:	05289384	Filing Dt:
Title:

Patent #:	3904554	Issue Dt:		Application #:	05327229	Filing Dt:
Title:

Patent #:	3841058	Issue Dt:		Application #:	05337533	Filing Dt:
Title:

Patent #:	3891353	Issue Dt:		Application #:	05338928	Filing Dt:
Title:

Patent #:	3830637	Issue Dt:		Application #:	05346297	Filing Dt:
Title:

Patent #:	3909204	Issue Dt:		Application #:	05393958	Filing Dt:
Title:

Patent #:	3933446	Issue Dt:		Application #:	05426455	Filing Dt:
Title:

Patent #:	3974098	Issue Dt:		Application #:	05444002	Filing Dt:
Title:

Patent #:	3930324	Issue Dt:		Application #:	05467481	Filing Dt:
Title:

Patent #:	3942957	Issue Dt:		Application #:	05467666	Filing Dt:
Title:

Patent #:	3927921	Issue Dt:		Application #:	05475310	Filing Dt:
Title:

Patent #:	3947071	Issue Dt:		Application #:	05477332	Filing Dt:
Title:

Patent #:	3942958	Issue Dt:		Application #:	05493485	Filing Dt:
Title:

Patent #:	3915670	Issue Dt:		Application #:	05498729	Filing Dt:
Title:

Patent #:	3989411	Issue Dt:		Application #:	05595743	Filing Dt:
Title:

Patent #:	3949608	Issue Dt:		Application #:	05602086	Filing Dt:
Title:

Patent #:	4049776	Issue Dt:		Application #:	05606545	Filing Dt:
Title:

Patent #:	4014316	Issue Dt:		Application #:	05630505	Filing Dt:
Title:

Patent #:	4011690	Issue Dt:		Application #:	05659357	Filing Dt:
Title:

Patent #:	4104211	Issue Dt:		Application #:	05697362	Filing Dt:
Title:

Patent #:	4105591	Issue Dt:		Application #:	05704410	Filing Dt:
Title:

Patent #:	4113050	Issue Dt:		Application #:	05714984	Filing Dt:
Title:

Patent #:	4107605	Issue Dt:		Application #:	05731892	Filing Dt:
Title:

Patent #:	4071329	Issue Dt:		Application #:	05743901	Filing Dt:
Title:

Patent #:	4078903	Issue Dt:	03/14/1978	Application #:	05743902	Filing Dt:	11/22/1976
Title:	COAL GASIFICATION

Patent #:	4073627	Issue Dt:		Application #:	05744028	Filing Dt:
Title:

Patent #:	4109636	Issue Dt:		Application #:	05753433	Filing Dt:
Title:

Patent #:	4104201	Issue Dt:		Application #:	05754513	Filing Dt:
Title:

Patent #:	4098886	Issue Dt:		Application #:	05769213	Filing Dt:
Title:

Patent #:	4129422	Issue Dt:		Application #:	05771330	Filing Dt:
Title:

Patent #:	4126427	Issue Dt:		Application #:	05774942	Filing Dt:
Title:

Patent #:	4119115	Issue Dt:		Application #:	05779488	Filing Dt:
Title:

Patent #:	4098126	Issue Dt:		Application #:	05784614	Filing Dt:
Title:

Patent #:	4105972	Issue Dt:	08/08/1978	Application #:	05784911	Filing Dt:	04/05/1977
Title:	PIPELINE INSPECTION VEHICLE FOR DETECTING DEFECTS IN PIPELINE WALLS

Patent #:	4133825	Issue Dt:		Application #:	05796024	Filing Dt:
Title:

Patent #:	4127393	Issue Dt:		Application #:	05818726	Filing Dt:
Title:

Patent #:	4185967	Issue Dt:		Application #:	05878089	Filing Dt:
Title:

Patent #:	4177042	Issue Dt:		Application #:	05892969	Filing Dt:
Title:

Patent #:	4170902	Issue Dt:		Application #:	05907349	Filing Dt:
Title:

Patent #:	4216123	Issue Dt:		Application #:	05923550	Filing Dt:
Title:

Patent #:	4202216	Issue Dt:		Application #:	05933032	Filing Dt:
Title:

Patent #:	4192654	Issue Dt:		Application #:	05951459	Filing Dt:
Title:

Patent #:	4195978	Issue Dt:		Application #:	05954076	Filing Dt:
Title:

Patent #:	4271993	Issue Dt:	06/09/1981	Application #:	06000008	Filing Dt:	01/02/1979
Title:	SLAG TAP FOR COAL SLAGGING GASIFIER

Patent #:	4295095	Issue Dt:	10/13/1981	Application #:	06022100	Filing Dt:	03/20/1979
Title:	APPARATUS AND METHOD FOR DETECTING THE LOCATION OF METALLIC OBJECTS HAVING ALTERNATING CURRENT PASSING THERETHROUGH

Patent #:	4293147	Issue Dt:	10/06/1981	Application #:	06026138	Filing Dt:	03/30/1979
Title:	METHOD AND APPARATUS FOR SECURING A PIPE TO A FITTING

Patent #:	4330748	Issue Dt:	05/18/1982	Application #:	06033013	Filing Dt:	04/24/1979
Title:	FREQUENCY CORRECTION CIRCUITRY FOR PIPELINE SENSOR APATUS

Patent #:	4250060	Issue Dt:	02/10/1981	Application #:	06049604	Filing Dt:	06/18/1979
Title:	PROCESS FOR PRODUCING DIMETHYL FORMAMIDE

Patent #:	4285242	Issue Dt:	08/25/1981	Application #:	06067790	Filing Dt:	08/20/1979
Title:	PIPE INSPECTION APPARATUS

Patent #:	4285243	Issue Dt:	08/25/1981	Application #:	06067791	Filing Dt:	08/20/1979
Title:	ULTRASONIC PIPE INSPECTION APPARATUS

Patent #:	4310796	Issue Dt:	01/12/1982	Application #:	06080522	Filing Dt:	10/01/1979
Title:	MAGNET ASSEMBLIES WITH PLURAL METALLIC FOIL CONTACT MEMBERS FOR PIPELINE INSPECTION VEHICLES

Patent #:	4302976	Issue Dt:	12/01/1981	Application #:	06085701	Filing Dt:	10/17/1979
Title:	IMPROVEMENTS IN OR RELATING TO WHEEL PROBES

Patent #:	4370895	Issue Dt:	02/01/1983	Application #:	06098823	Filing Dt:	11/30/1979
Title:	FRICTION DRIVE WHEELS

Patent #:	4321547	Issue Dt:	03/23/1982	Application #:	06105132	Filing Dt:	12/19/1979
Title:	ELECTRONIC DISCRIMINATION CIRCUITRY FOR THE HIGHEST FREQUENCY OF A PLURALITY OF INPUT SIGNALS

Patent #:	4311167	Issue Dt:	01/19/1982	Application #:	06107919	Filing Dt:	12/28/1979
Title:	REGULATOR INSTALLATION FOR FLUID TRANSMISSION OF DISTRIBUTION SYSTEMS

Patent #:	4300999	Issue Dt:	11/17/1981	Application #:	06115661	Filing Dt:	01/28/1980
Title:	GAS OIL PURIFICATION

Patent #:	4280820	Issue Dt:	07/28/1981	Application #:	06119979	Filing Dt:	02/08/1980
Title:	STEAM REFORMING PROCESS

Patent #:	4303612	Issue Dt:	12/01/1981	Application #:	06156386	Filing Dt:	06/04/1980
Title:	GAS SENSITIVE DEVICES

Patent #:	4315407	Issue Dt:	02/16/1982	Application #:	06158488	Filing Dt:	06/11/1980
Title:	GAS STORAGE AND TRANSMISSION SYSTEMS

Patent #:	4417905	Issue Dt:	11/29/1983	Application #:	06173718	Filing Dt:	07/30/1980
Title:	GAS MAKING

Patent #:	4458601	Issue Dt:	07/10/1984	Application #:	06182658	Filing Dt:	08/29/1980
Title:	SPEED CONTROL SYSTEM FOR A PIPELINE INSPECTIONVEHICLE

Patent #:	4458601	Issue Dt:	07/10/1984	Application #:	06182658	Filing Dt:	08/29/1980
Title:	SPEED CONTROL SYSTEM FOR A PIPELINE INSPECTIONVEHICLE

Patent #:	4331450	Issue Dt:	05/25/1982	Application #:	06184813	Filing Dt:	09/08/1980
Title:	COAL GASIFICATION PLANT SLAG TAPPING PROCESS

Patent #:	4447777	Issue Dt:	05/08/1984	Application #:	06216499	Filing Dt:	12/15/1980
Title:	MAGNETIC PIPELINE INSPECTION VEHICLE WITH METALLIC FOIL AND BRISTLE CONTACTS SUPPORTING THE VEHICLE

Patent #:	4408983	Issue Dt:	10/11/1983	Application #:	06222753	Filing Dt:	01/05/1981
Title:	RECUPERATIVE BURNERS

Patent #:	4399537	Issue Dt:	08/16/1983	Application #:	06237765	Filing Dt:	02/24/1981
Title:	CONTROL CIRCUIT AND FUEL BURNER INCORPORATING A CONTROL CIRCUIT

Patent #:	4366391	Issue Dt:	12/28/1982	Application #:	06237766	Filing Dt:	02/24/1981
Title:	FUEL BURNER CONTROL SYSTEM CIRCUITS

Patent #:	4427363	Issue Dt:	01/24/1984	Application #:	06239201	Filing Dt:	03/03/1981
Title:	FLAME RECTIFICATION DETECTORS

Patent #:	4349745	Issue Dt:	09/14/1982	Application #:	06240006	Filing Dt:	03/03/1981
Title:	TESTING CIRCUIT FOR FUEL BURNER CONTROLS

Patent #:	4360508	Issue Dt:	11/23/1982	Application #:	06243036	Filing Dt:	03/12/1981
Title:	TREATMENT OF EFFLUENTS

Patent #:	4345350	Issue Dt:	08/24/1982	Application #:	06248353	Filing Dt:	03/27/1981
Title:	PIPELINE CLEANING EQUIPMENT

Patent #:	4380940	Issue Dt:	04/26/1983	Application #:	06250770	Filing Dt:	04/03/1981
Title:	NO TORQUE TOOL

Patent #:	4388871	Issue Dt:	06/21/1983	Application #:	06286533	Filing Dt:	07/24/1981
Title:	SPEED CONTROL SYSTEM FOR A PIPELINE INSPECTION VEHICLE

Patent #:	4443948	Issue Dt:	04/24/1984	Application #:	06304958	Filing Dt:	09/23/1981
Title:	INTERNAL GEOMETRY TOOL

Patent #:	4411039	Issue Dt:	10/25/1983	Application #:	06329064	Filing Dt:	12/09/1981
Title:	REMOVAL OF CONDENSED GAS FROM THE WALLS OF GAS PIPELINES

100

Patent #:	4445363	Issue Dt:	05/01/1984	Application #:	06349984	Filing Dt:	02/18/1982
Title:	DEVICE FOR DETECTING FLOODING OF A HOLLOW STRUCTURE

Assignor

BRITISH GAS CORPORATION

Exec Dt:

05/12/1987

Assignee

BRITISH GAS PLC

RIVERMILL HOUSE 152

GROSVENOR ROAD LONDON S1V 3JL, ENGLAND

Correspondence name and address
	LARSON AND TAYLOR
	727 TWENTY-THIRD STREET, SOUTH
	ARLINGTON, VIRGINIA 22202

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