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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:	004546/0912			Pages:	43
		Recorded:	03/24/1986
Conveyance:	SECURITY INTEREST (SEE DOCUMENT FOR DETAILS). (ASSIGNS THE ENTIRE INTEREST).

Total properties: 93

Patent #:	3478625	Issue Dt:		Application #:	04583539	Filing Dt:
Title:

Patent #:	3408826	Issue Dt:		Application #:	04612222	Filing Dt:
Title:

Patent #:	3448243	Issue Dt:		Application #:	04615142	Filing Dt:
Title:

Patent #:	3453838	Issue Dt:		Application #:	04622143	Filing Dt:
Title:

Patent #:	3408828	Issue Dt:		Application #:	04666372	Filing Dt:
Title:

Patent #:	3438218	Issue Dt:		Application #:	04667390	Filing Dt:
Title:

Patent #:	3408827	Issue Dt:		Application #:	04668804	Filing Dt:
Title:

Patent #:	3442092	Issue Dt:		Application #:	04687728	Filing Dt:
Title:

Patent #:	3460354	Issue Dt:		Application #:	04711243	Filing Dt:
Title:

Patent #:	3481321	Issue Dt:		Application #:	04720719	Filing Dt:
Title:

Patent #:	3507354	Issue Dt:		Application #:	04737087	Filing Dt:
Title:

Patent #:	3532452	Issue Dt:		Application #:	04738920	Filing Dt:
Title:

Patent #:	3575234	Issue Dt:		Application #:	04866052	Filing Dt:
Title:

Patent #:	3596936	Issue Dt:		Application #:	04874472	Filing Dt:
Title:

Patent #:	3605797	Issue Dt:		Application #:	05038072	Filing Dt:
Title:

Patent #:	3675379	Issue Dt:		Application #:	05043799	Filing Dt:
Title:

Patent #:	3662738	Issue Dt:		Application #:	05049732	Filing Dt:
Title:

Patent #:	3705622	Issue Dt:		Application #:	05052902	Filing Dt:
Title:

Patent #:	3662557	Issue Dt:		Application #:	05077931	Filing Dt:
Title:

Patent #:	3695345	Issue Dt:		Application #:	05078708	Filing Dt:
Title:

Patent #:	3685329	Issue Dt:		Application #:	05125677	Filing Dt:
Title:

Patent #:	3877518	Issue Dt:	04/15/1975	Application #:	05125988	Filing Dt:	03/19/1971
Title:	HEAT EXCHANGE COIL

Patent #:	3708959	Issue Dt:		Application #:	05161275	Filing Dt:
Title:

Patent #:	3735603	Issue Dt:		Application #:	05171081	Filing Dt:
Title:

Patent #:	3738116	Issue Dt:		Application #:	05185618	Filing Dt:
Title:

Patent #:	3791326	Issue Dt:		Application #:	05205986	Filing Dt:
Title:

Patent #:	3791326	Issue Dt:		Application #:	05205986	Filing Dt:
Title:

Patent #:	3759636	Issue Dt:		Application #:	05234123	Filing Dt:
Title:

Patent #:	3811805	Issue Dt:		Application #:	05253752	Filing Dt:
Title:

Patent #:	3783635	Issue Dt:		Application #:	05275005	Filing Dt:
Title:

Patent #:	3769810	Issue Dt:		Application #:	05284001	Filing Dt:
Title:

Patent #:	3795117	Issue Dt:	03/05/1974	Application #:	05285695	Filing Dt:	09/01/1972
Title:	INJECTION COOLING OF SCREW COMPRESSORS

Patent #:	3796258	Issue Dt:	03/12/1974	Application #:	05293892	Filing Dt:	10/02/1972
Title:	HIGH CAPACITY FINNED TUBE HEAT EXCHANGER

Patent #:	3828412	Issue Dt:		Application #:	05330545	Filing Dt:
Title:

Patent #:	3844688	Issue Dt:		Application #:	05358443	Filing Dt:
Title:

Patent #:	3856493	Issue Dt:		Application #:	05358445	Filing Dt:
Title:

Patent #:	3844131	Issue Dt:		Application #:	05362708	Filing Dt:
Title:

Patent #:	3845903	Issue Dt:		Application #:	05388669	Filing Dt:
Title:

Patent #:	3918838	Issue Dt:		Application #:	05430841	Filing Dt:
Title:

Patent #:	3885402	Issue Dt:		Application #:	05433418	Filing Dt:
Title:

Patent #:	3913346	Issue Dt:		Application #:	05474629	Filing Dt:
Title:

Patent #:	3922114	Issue Dt:		Application #:	05490169	Filing Dt:
Title:

Patent #:	3936239	Issue Dt:	02/03/1976	Application #:	05492084	Filing Dt:	07/26/1974
Title:	UNDERCOMPRESSION AND OVERCOMPRESSION FREE HELICAL SCREW ROTARY COMPRES SOR

Patent #:	3918886	Issue Dt:		Application #:	05519708	Filing Dt:
Title:

Patent #:	RE30499	Issue Dt:	02/03/1981	Application #:	05525261	Filing Dt:	11/19/1974
Title:	INJECTION COOLING OF SCREW COMPRESSORS

Patent #:	4076461	Issue Dt:		Application #:	05531121	Filing Dt:
Title:

Patent #:	4014362	Issue Dt:		Application #:	05615637	Filing Dt:
Title:

Patent #:	4030179	Issue Dt:	06/21/1977	Application #:	05650401	Filing Dt:	01/19/1976
Title:	METHOD OF MANUFACTURING LOW COST NON-POROUS METAL CONNECTING RODS

Patent #:	4058988	Issue Dt:		Application #:	05653568	Filing Dt:
Title:

Patent #:	4079887	Issue Dt:		Application #:	05665477	Filing Dt:
Title:

Patent #:	RE29283	Issue Dt:	06/28/1977	Application #:	05692077	Filing Dt:	06/02/1976
Title:	UNDERCOMPRESSION AND OVERCOMPRESSION FREE HELICAL SCREW ROTARY COMPRES SOR

Patent #:	4045977	Issue Dt:	09/06/1977	Application #:	05721928	Filing Dt:	09/09/1976
Title:	SELF OPERATING EXCESS REGRIGERANT STORAGE SYSTEM FOR A HEAT PUMP

Patent #:	4086072	Issue Dt:		Application #:	05782675	Filing Dt:
Title:

Patent #:	4086072	Issue Dt:		Application #:	05782675	Filing Dt:
Title:

Patent #:	4148436	Issue Dt:		Application #:	05806407	Filing Dt:
Title:

Patent #:	4185465	Issue Dt:		Application #:	05881449	Filing Dt:
Title:

Patent #:	4249866	Issue Dt:	02/10/1981	Application #:	05882468	Filing Dt:	03/01/1978
Title:	CONTROL SYSTEM FOR SCREW COMPRESSOR

Patent #:	4181474	Issue Dt:	01/01/1980	Application #:	05882728	Filing Dt:	03/02/1978
Title:	VERTICAL AXIS HERMETIC ROTARY HELICAL SCREW COMPRESSOR WITH IMPROVED ROTARY BEARINGS AND OIL MANAGEMENT

Patent #:	4197719	Issue Dt:		Application #:	05882729	Filing Dt:
Title:

Patent #:	4257795	Issue Dt:	03/24/1981	Application #:	05893863	Filing Dt:	04/06/1978
Title:	COMPRESSOR HEAT PUMP SYSTEM WITH MAXIMUM AND MINIMUM EVAPORATOR DELTA T CONTROL

Patent #:	4180986	Issue Dt:		Application #:	05900025	Filing Dt:
Title:

Patent #:	4178767	Issue Dt:		Application #:	05917040	Filing Dt:
Title:

Patent #:	4199102	Issue Dt:	04/22/1980	Application #:	05922141	Filing Dt:	07/05/1978
Title:	TEMPERATURE CONTROL SYSTEM

Patent #:	4196595	Issue Dt:		Application #:	05924015	Filing Dt:
Title:

Patent #:	4179248	Issue Dt:		Application #:	05930444	Filing Dt:
Title:

Patent #:	4209996	Issue Dt:	07/01/1980	Application #:	05950905	Filing Dt:	10/12/1978
Title:	RECIPROCATING COMPRESSOR REFRIGERATION SYSTEM USING STEP EXPANSION AND AUTO STAGING

Patent #:	4242872	Issue Dt:	01/06/1981	Application #:	05970789	Filing Dt:	12/18/1978
Title:	ATTIC MOUNTED SOLAR ASSIST MULTI-SOURCE/SINK RESIDENTIAL HEAT PUMP SYSTEM

Patent #:	4209998	Issue Dt:		Application #:	05972151	Filing Dt:
Title:

Patent #:	4220197	Issue Dt:		Application #:	06000601	Filing Dt:
Title:

Patent #:	4245476	Issue Dt:	01/20/1981	Application #:	06000604	Filing Dt:	01/02/1979
Title:	SOLAR AUGMENTED HEAT PUMP SYSTEM WITH AUTOMATIC STAGING RECIPROCATING COMPRESSOR

Patent #:	4222716	Issue Dt:	09/16/1980	Application #:	06044433	Filing Dt:	06/01/1979
Title:	COMBINED PRESSURE MATCHING AND CAPACITY CONTROL SLIDE VALVE ASSEMBLY FOR HELICAL SCREW ROTARY MACHINE

Patent #:	4284133	Issue Dt:	08/18/1981	Application #:	06077067	Filing Dt:	09/19/1979
Title:	CONCENTRIC TUBE HEAT EXCHANGE ASSEMBLEY WITH IMPROVED INTERNAL FIN STRUCTURE

Patent #:	4437816	Issue Dt:	03/20/1984	Application #:	06132712	Filing Dt:	03/21/1980
Title:	VARIABLE VOLUME POSITIVE DISPLACEMENT ROTARY PUMP

Patent #:	4375156	Issue Dt:	03/01/1983	Application #:	06193496	Filing Dt:	10/03/1980
Title:	CLOSED LOOP COMPRESSED GAS SYSTEM WITH OIL MIST LUBRICATED SCREW COMPRESSOR

Patent #:	4342199	Issue Dt:	08/03/1982	Application #:	06193696	Filing Dt:	10/03/1980
Title:	SCREW COMPRESSOR SLIDE VALVE ENGINE RPM TRACKING SYSTEM

Patent #:	RE31379	Issue Dt:	09/13/1983	Application #:	06197401	Filing Dt:	10/16/1980
Title:	COMBINED PRESSURE MATCHING AND CAPACITY CONTROL SLIDE VALVE ASSEMBLY FOR HELICAL SCREW ROTARY MACHINE

Patent #:	RE30994	Issue Dt:	07/13/1982	Application #:	06232269	Filing Dt:	02/06/1981
Title:	VERTICAL AXIS HERMETIC ROTARY HELICAL SCREW COMPRESSOR WITH IMPROVED ROTARY BEARINGS AND OIL MANAGEMENT

Patent #:	4335582	Issue Dt:	06/22/1982	Application #:	06236372	Filing Dt:	02/20/1981
Title:	UNLOADING CONTROL SYSTEM FOR HELICAL SCREW COMPRESSOR REFRIGERATION SYSTEM

Patent #:	4388048	Issue Dt:	06/14/1983	Application #:	06242100	Filing Dt:	03/10/1981
Title:	STEPPING TYPE UNLOADING SYSTEM FOR HELICAL SCREW ROTARY COMPRESSOR

Patent #:	4412788	Issue Dt:	11/01/1983	Application #:	06255410	Filing Dt:	04/20/1981
Title:	CONTROL SYSTEM FOR SCREW COMPRESSOR

Patent #:	4383802	Issue Dt:	05/17/1983	Application #:	06280041	Filing Dt:	07/06/1981
Title:	0IL EQUALIZATION SYSTEM FOR PARALLEL CONNECTED COMPRESSORS

Patent #:	4439121	Issue Dt:	03/27/1984	Application #:	06354008	Filing Dt:	03/02/1982
Title:	SELF-CLEANING SINGLE LOOP MIST TYPE LUBRICATION SYSTEM FOR SCREW COMPRESSORS

Patent #:	4585169	Issue Dt:	04/29/1986	Application #:	06384294	Filing Dt:	06/02/1982
Title:	CONSTANT VOLUME FLOW BURNER FUEL CONTROL SYSTEM

Patent #:	4477233	Issue Dt:	10/16/1984	Application #:	06430218	Filing Dt:	09/30/1982
Title:	VERTICAL AXIS HERMETIC HELICAL SCREW ROTARY COMPRESSOR WITH DISCHARGE GAS OIL MIST ELIMINATOR AND DUAL TRANSFER TUBE MANIFOLD FOR SUPPLYING LIQUID REFRIGERANT AND REFRIGERANT VAPOR TO THE COMPRESSION AREA

Patent #:	4508491	Issue Dt:	04/02/1985	Application #:	06452231	Filing Dt:	12/22/1982
Title:	MODULAR UNLOAD SLIDE VALVE CONTROL ASSEMBLY FOR A HELICAL SCREW ROTARY COMPRESSOR

Patent #:	4478054	Issue Dt:	10/23/1984	Application #:	06513182	Filing Dt:	07/12/1983
Title:	HELICAL SCREW ROTARY COMPRESSOR FOR AIR CONDITIONING SYSTEM HAVING IMPROVED OIL MANAGEMENT

Patent #:	4497185	Issue Dt:	02/05/1985	Application #:	06536046	Filing Dt:	09/26/1983
Title:	OIL ATOMIZING COMPRESSOR WORKING FLUID COOLING SYSTEM FOR GAS/VAPOR/ HELICAL SCREW ROTARY COMPRESSORS

Patent #:	4495778	Issue Dt:	01/29/1985	Application #:	06580047	Filing Dt:	02/14/1984
Title:	TEMPERATURE AND PRESSURE ACTUATED CAPACITY CONTROL SYSTEM FOR AIR CONDITIONING SYSTEM

Patent #:	4545742	Issue Dt:	10/08/1985	Application #:	06619237	Filing Dt:	06/11/1984
Title:	VERTICAL AXIS HERMETIC HELICAL SCREW ROTARY COMPRESSOR WITH DISCHARGE GAS OIL MIST ELIMINATOR AND DUAL TRANSFER TUBE MANIFOLD FOR SUPPLYING LIQUID REFRIGERANT AND REFRIGERANT VAPOR TO THE COMPRESSION AREA

Patent #:	4536130	Issue Dt:	08/20/1985	Application #:	06621653	Filing Dt:	06/18/1984
Title:	SIMPLIFIED UNLOADER INDICATOR FOR HELICAL SCREW ROTARY COMPRESSOR

Patent #:	4527967	Issue Dt:	07/09/1985	Application #:	06645958	Filing Dt:	08/31/1984
Title:	SCREW ROTOR MACHINE WITH SPECIFIC TOOTH PROFILE

Patent #:	4583373	Issue Dt:	04/22/1986	Application #:	06654911	Filing Dt:	09/27/1984
Title:	CONSTANT EVAPORATOR PRESSURE SLIDE VALVE MODULATOR FOR SCREW COMPRESSOR REFRIGERATION SYSTEM

Patent #:	4647801	Issue Dt:	03/03/1987	Application #:	06771745	Filing Dt:	09/03/1985
Title:	ELECTRIC MOTOR BACK-STOPPING DEVICE

Assignor

DUNHAM-BUSH, INC.

Exec Dt:

12/12/1985

Assignee

BT COMMERCIAL CORPORATION

CHICAGO, ILLINOIS

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

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