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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:	016536/0687			Pages:	9
		Recorded:	07/19/2005
Conveyance:	ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS).

Total properties: 35

Patent #:	4598899	Issue Dt:	07/08/1986	Application #:	06629525	Filing Dt:	07/10/1984
Title:	LIGHT GAUGE METAL SCRAP MELTING SYSTEM

Patent #:	4898367	Issue Dt:	02/06/1990	Application #:	07222934	Filing Dt:	07/22/1988
Title:	DISPERSING GAS INTO MOLTEN METAL

Patent #:	4940384	Issue Dt:	07/10/1990	Application #:	07309613	Filing Dt:	02/10/1989
Title:	MOLTEN METAL PUMP WITH FILTER

Patent #:	4954167	Issue Dt:	09/04/1990	Application #:	07377484	Filing Dt:	07/10/1989
Title:	DISPERSING GAS INTO MOLTEN METAL

Patent #:	5092821	Issue Dt:	03/03/1992	Application #:	07467028	Filing Dt:	01/18/1990
Title:	DRIVE SYSTEM FOR IMPELLER SHAFTS

Patent #:	5078572	Issue Dt:	01/07/1992	Application #:	07467485	Filing Dt:	01/19/1990
Title:	MOLTEN METAL PUMP WITH FILTER

Patent #:	5286163	Issue Dt:	02/15/1994	Application #:	07532889	Filing Dt:	06/05/1990
Title:	MOLTEN METAL PUMP WITH FILTER

Patent #:	5143357	Issue Dt:	09/01/1992	Application #:	07614914	Filing Dt:	11/19/1990
Title:	MELTING METAL PARTICLES AND DISPERSING GAS WITH VANED IMPELLER

Patent #:	5294245	Issue Dt:	03/15/1994	Application #:	07857448	Filing Dt:	03/25/1992
Title:	MELTING METAL PARTICLES AND DISPERSING GAS WITH VANED IMPELLER

Patent #:	5310412	Issue Dt:	05/10/1994	Application #:	08002604	Filing Dt:	01/11/1993
Title:	MELTING METAL PARTICLES AND DISPERSING GAS AND ADDITIVES WITH VANED IMPELLER

Patent #:	5470201	Issue Dt:	11/28/1995	Application #:	08312327	Filing Dt:	09/26/1994
Title:	MOLTEN METAL PUMP WITH VANED IMPELLER

Patent #:	5685701	Issue Dt:	11/11/1997	Application #:	08457571	Filing Dt:	06/01/1995
Title:	BEARING ARRANGEMENT FOR MOLTEN ALUMINUM PUMPS

Patent #:	5634770	Issue Dt:	06/03/1997	Application #:	08460979	Filing Dt:	06/05/1995
Title:	MOLTEN METAL PUMP WITH VANED IMPELLER

Patent #:	5586863	Issue Dt:	12/24/1996	Application #:	08468378	Filing Dt:	06/06/1995
Title:	MOLTEN METAL PUMP WITH VANED IMPELLER

Patent #:	6250881	Issue Dt:	06/26/2001	Application #:	08651571	Filing Dt:	05/22/1996
Title:	MOLTEN METAL SHAFT AND IMPELLER BEARING ASSEMBLY

Patent #:	6036745	Issue Dt:	03/14/2000	Application #:	08784832	Filing Dt:	01/17/1997
Title:	MOLTEN METAL CHARGE WELL

Patent #:	6231639	Issue Dt:	05/15/2001	Application #:	08813256	Filing Dt:	03/07/1997
Title:	MODULAR FILTER FOR MOLTEN METAL

Patent #:	5785494	Issue Dt:	07/28/1998	Application #:	08842004	Filing Dt:	04/23/1997
Title:	MOLTEN METAL IMPELLER

Patent #:	5993728	Issue Dt:	11/30/1999	Application #:	08900433	Filing Dt:	07/25/1997
Title:	GAS INJECTION PUMP

Patent #:	5947705	Issue Dt:	09/07/1999	Application #:	08907361	Filing Dt:	08/07/1997
Title:	MOLTEN METAL TRANSFER PUMP

Patent #:	6254340	Issue Dt:	07/03/2001	Application #:	09056409	Filing Dt:	04/08/1998
Title:	MOLTEN METAL IMPELLER

Patent #:	6217823	Issue Dt:	04/17/2001	Application #:	09281240	Filing Dt:	03/30/1999
Title:	METAL SCRAP SUBMERGENCE SYSTEM

Patent #:	6451247	Issue Dt:	09/17/2002	Application #:	09436014	Filing Dt:	11/09/1999
Title:	SHAFT AND POST ASSEMBLIES FOR MOLTEN METAL APPARATUS

Patent #:	6358467	Issue Dt:	03/19/2002	Application #:	09544917	Filing Dt:	04/07/2000
Title:	Universal coupling

Patent #:	6551060	Issue Dt:	04/22/2003	Application #:	09775401	Filing Dt:	02/01/2001
Publication #:	US20030059302	Pub Dt:	03/27/2003
Title:	PUMP FOR MOLTEN MATERIALS WITH SUSPENDED SOLIDS

Patent #:	6464458	Issue Dt:	10/15/2002	Application #:	09842538	Filing Dt:	04/25/2001
Publication #:	US20010028846	Pub Dt:	10/11/2001
Title:	MOLTEN METAL IMPELLER

Patent #:	6887425	Issue Dt:	05/03/2005	Application #:	10244883	Filing Dt:	09/16/2002
Publication #:	US20030075844	Pub Dt:	04/24/2003
Title:	SHAFT AND POST ASSEMBLIES FOR MOLTEN METAL APPARATUS

Patent #:	NONE	Issue Dt:		Application #:	10399508	Filing Dt:	08/15/2003
Publication #:	US20050035503	Pub Dt:	02/17/2005
Title:	Furnaces and methods of melting

Patent #:	6843640	Issue Dt:	01/18/2005	Application #:	10403954	Filing Dt:	03/31/2003
Publication #:	US20030185679	Pub Dt:	10/02/2003
Title:	PUMP FOR MOLTEN MATERIALS WITH SUSPENDED SOLIDS

Patent #:	7157043	Issue Dt:	01/02/2007	Application #:	10659817	Filing Dt:	09/11/2003
Publication #:	US20040123970	Pub Dt:	07/01/2004
Title:	BONDED PARTICLE FILTERS

Patent #:	NONE	Issue Dt:		Application #:	10723504	Filing Dt:	11/26/2003
Publication #:	US20060125159	Pub Dt:	06/15/2006
Title:	Material submergence system

Patent #:	NONE	Issue Dt:		Application #:	10875784	Filing Dt:	06/24/2004
Publication #:	US20050285317	Pub Dt:	12/29/2005
Title:	Molten metal transfer pipe

Patent #:	7455809	Issue Dt:	11/25/2008	Application #:	10881738	Filing Dt:	06/30/2004
Publication #:	US20050017417	Pub Dt:	01/27/2005
Title:	MATERIAL SUBMERGENCE SYSTEM

Patent #:	7278824	Issue Dt:	10/09/2007	Application #:	11011802	Filing Dt:	12/14/2004
Publication #:	US20050100440	Pub Dt:	05/12/2005
Title:	PUMP FOR MOLTEN MATERIALS WITH SUSPENDED SOLIDS

Patent #:	7273582	Issue Dt:	09/25/2007	Application #:	11120061	Filing Dt:	05/02/2005
Publication #:	US20050189684	Pub Dt:	09/01/2005
Title:	SHAFT AND POST ASSEMBLIES FOR MOLTEN METAL APPARATUS

Assignor

METAULLICS SYSTEMS CORPORATION LP

Exec Dt:

05/04/2005

Assignee

PYROTEK, INC.

9503 EAST MONTGOMERY AVE.

SPOKANE, WASHINGTON 99206

Correspondence name and address
	SCOTT A. MCCOLLISTER
	FAY, SHARPE, FAGAN, MINNICH & MCKEE, LLP
	1100 SUPERIOR AVE, 7TH FLOOR
	CLEVELAND, OH 44114

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