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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:	005348/0440			Pages:	9
		Recorded:	06/25/1990
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST.

Total properties: 51

Patent #:	3746102	Issue Dt:		Application #:	05191693	Filing Dt:
Title:

Patent #:	3740739	Issue Dt:		Application #:	05203460	Filing Dt:
Title:

Patent #:	3849893	Issue Dt:	11/26/1974	Application #:	05223210	Filing Dt:	02/04/1972
Title:	ROTATING MACHINE WEAR GAUGING MEANS AND METHOD

Patent #:	3823407	Issue Dt:		Application #:	05328751	Filing Dt:
Title:

Patent #:	3833076	Issue Dt:		Application #:	05375261	Filing Dt:
Title:

Patent #:	3888109	Issue Dt:		Application #:	05416532	Filing Dt:
Title:

Patent #:	3932941	Issue Dt:	01/20/1976	Application #:	05455401	Filing Dt:	03/27/1974
Title:	ROTATING MACHINE WEAR GAUGE MEANS AND METHODS

Patent #:	3988239	Issue Dt:	10/26/1976	Application #:	05498545	Filing Dt:	08/19/1974
Title:	CYCLONE AND LINER

Patent #:	3929014	Issue Dt:		Application #:	05537627	Filing Dt:
Title:

Patent #:	3934887	Issue Dt:		Application #:	05545507	Filing Dt:
Title:

Patent #:	4010012	Issue Dt:		Application #:	05546249	Filing Dt:
Title:

Patent #:	3990252	Issue Dt:		Application #:	05560019	Filing Dt:
Title:

Patent #:	4053393	Issue Dt:	10/11/1977	Application #:	05633405	Filing Dt:	11/19/1975
Title:	CYCLONE ASSEMBLY

Patent #:	4023416	Issue Dt:		Application #:	05634362	Filing Dt:
Title:

Patent #:	4097249	Issue Dt:		Application #:	05754853	Filing Dt:
Title:

Patent #:	4088457	Issue Dt:		Application #:	05754854	Filing Dt:
Title:

Patent #:	4097253	Issue Dt:		Application #:	05754855	Filing Dt:
Title:

Patent #:	4269567	Issue Dt:	05/26/1981	Application #:	05754857	Filing Dt:	12/27/1976
Title:	MUD DEGASSER PUMP

Patent #:	4152125	Issue Dt:		Application #:	05867794	Filing Dt:
Title:

Patent #:	4108619	Issue Dt:		Application #:	05876282	Filing Dt:
Title:

Patent #:	4143881	Issue Dt:		Application #:	05889324	Filing Dt:
Title:

Patent #:	4213740	Issue Dt:		Application #:	05924526	Filing Dt:
Title:

Patent #:	4184771	Issue Dt:	01/22/1980	Application #:	05936643	Filing Dt:	08/24/1978
Title:	CENTRIFUGAL MUD MIXER

Patent #:	4198760	Issue Dt:		Application #:	06009063	Filing Dt:
Title:

Patent #:	4236408	Issue Dt:	12/02/1980	Application #:	06045393	Filing Dt:	06/04/1979
Title:	DRILLING RIG LOAD INDICATOR

Patent #:	4300352	Issue Dt:	11/17/1981	Application #:	06073707	Filing Dt:	09/10/1979
Title:	HYDRAULIC PRESSURE INDICATOR

Patent #:	4302962	Issue Dt:	12/01/1981	Application #:	06082112	Filing Dt:	10/05/1979
Title:	INCLINOMETER TEST ASSEMBLY

Patent #:	4253530	Issue Dt:	03/03/1981	Application #:	06082848	Filing Dt:	10/09/1979
Title:	METHOD AND SYSTEM FOR CIRCULATING A GAS BUBBLE FROM A WELL

Patent #:	4285236	Issue Dt:	08/25/1981	Application #:	06097007	Filing Dt:	11/23/1979
Title:	ROTARY TORQUE AND RPM INDICATOR FOR OIL WELL DRILLING RIGS

Patent #:	4345539	Issue Dt:	08/24/1982	Application #:	06141770	Filing Dt:	04/21/1980
Title:	WARNING SYSTEM WITH PNEUMATIC FUNCTION GENERATOR

Patent #:	4610005	Issue Dt:	09/02/1986	Application #:	06161190	Filing Dt:	06/19/1980
Title:	VIDEO BOREHOLE DEPTH MEASURING SYSTEM

Patent #:	4345841	Issue Dt:	08/24/1982	Application #:	06161396	Filing Dt:	06/20/1980
Title:	MULTI-STAGE CENTRIFUGAL MIXER

Patent #:	4326863	Issue Dt:	04/27/1982	Application #:	06170714	Filing Dt:	07/21/1980
Title:	CENTRIFUGAL DEGASSER

Patent #:	4355784	Issue Dt:	10/26/1982	Application #:	06174826	Filing Dt:	08/04/1980
Title:	METHOD AND APPARATUS FOR CONTROLLING BACK PRESSURE

Patent #:	4435988	Issue Dt:	03/13/1984	Application #:	06282966	Filing Dt:	07/13/1981
Title:	APPARATUS FOR INDICATING CRITICAL TORQUE LOAD

Patent #:	4420391	Issue Dt:	12/13/1983	Application #:	06310007	Filing Dt:	10/13/1981
Title:	SCREEN TENSIONING ARRANGEMENT

Patent #:	4495065	Issue Dt:	01/22/1985	Application #:	06472820	Filing Dt:	03/07/1983
Title:	VIBRATORY SCREENING APPARATUS AND METHOD

Patent #:	4743226	Issue Dt:	05/10/1988	Application #:	06490195	Filing Dt:	04/29/1983
Title:	HIGH CAPACITY CONTINUOUS SOLID BOWL CENTRIFUGE

Patent #:	4625548	Issue Dt:	12/02/1986	Application #:	06722554	Filing Dt:	04/12/1985
Title:	HYDROSTATIC HEAD PRESSURE SENSORS FOR A SYSTEM TO DETERMINE FLUID LEVEL AND WEIGHT

Patent #:	4625553	Issue Dt:	12/02/1986	Application #:	06722587	Filing Dt:	04/12/1985
Title:	SYSTEM TO DETERMINE THE LEVEL AND WEIGHT OF LIQUID IN A TANK OR THE LIKE

Patent #:	4696751	Issue Dt:	09/29/1987	Application #:	06892644	Filing Dt:	08/04/1986
Title:	VIBRATORY SCREENING APPARATUS AND METHOD FOR REMOVING SUSPENDED SOLIDS FROM LIQUID

Patent #:	4802502	Issue Dt:	02/07/1989	Application #:	07016854	Filing Dt:	02/20/1987
Title:	PURGE AIR CONTROL SYSTEM

Patent #:	4143880	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	4162473	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	3750480	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	3994176	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	3994166	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	3857281	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	4099536	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	4000645	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Patent #:	3938255	Issue Dt:		Application #:	UNAVAILABLE	Filing Dt:
Title:

Assignor

DRESSER INDUSTRIES, INC.

Exec Dt:

05/07/1990

Assignee

MI DRILLING FLUIDS COMPANY

A TX GENERAL PARTNERSHIP

HOUSTON, TEXAS

Correspondence name and address
	STEPHEN H. CAGLE
	ARNOLD, WHITE & DURKEE
	P.O. BOX 4433
	HOUSTON, TX 77210

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