Patent Assignment Details
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For pending or abandoned applications please consult USPTO staff.
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| Reel/Frame: | 017555/0593 | |
| Pages: | 6 |
| | Recorded: | 02/13/2006 | | |
| Conveyance: | ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). |
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Total properties:
10
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Patent #:
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Issue Dt:
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06/14/1988
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Application #:
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06910479
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Filing Dt:
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09/22/1986
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Title:
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HEAT EXCHANGER FOR COOLING SOLID SUBSTANCE-CONTAINING GAS
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Patent #:
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Issue Dt:
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09/13/1988
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Application #:
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07067222
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Filing Dt:
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06/25/1987
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Title:
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COKE OVEN DOOR
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Patent #:
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Issue Dt:
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11/05/1991
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Application #:
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07445748
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Filing Dt:
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12/04/1989
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Title:
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METHOD OF REDUCING THE NITROGEN DIOXIDE CONTENT OF FLUE GAS FROM A COKE OVEN WITH DUAL HEATING FLUES BY A COMBINATION OF EXTERNAL FLUE GAS FEED BACK AND INTERNAL FLUE GAS RECIRCULATION
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Patent #:
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Issue Dt:
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05/21/1991
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Application #:
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07561941
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Filing Dt:
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08/02/1990
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Title:
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METHOD OF REDUCING NOX-CONTENT IN FLUE GAS DURING HEATING OF COKING OVEN
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Patent #:
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Issue Dt:
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04/21/1992
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Application #:
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07624325
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Filing Dt:
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12/05/1990
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Title:
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METHOD FOR SIMULTANEOUS RECOVERY OF PURE BENZENE AND PURE TOLUENE
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Patent #:
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Issue Dt:
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04/26/1994
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Application #:
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07885169
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Filing Dt:
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05/18/1992
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Title:
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LEVELING DOOR
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Patent #:
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Issue Dt:
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08/22/1995
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Application #:
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08120575
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Filing Dt:
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09/10/1993
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Title:
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METHOD OF RESTORING HEATING WALLS OF COKE OVEN BATTERY
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Patent #:
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Issue Dt:
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03/03/1998
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Application #:
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08517009
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Filing Dt:
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08/18/1995
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Title:
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PROCESS FOR RECOVERING PURE BENZENE AND PURE TOLUENE FROM AROMATIC HYDROCARBON PRODUCTS
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Patent #:
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Issue Dt:
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08/19/1997
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Application #:
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08559820
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Filing Dt:
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11/17/1995
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Title:
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COKE-OVEN DOOR ASSEMBLY
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Patent #:
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Issue Dt:
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01/06/1998
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Application #:
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08568632
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Filing Dt:
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12/07/1995
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Title:
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DEVICE FOR REDUCING THE CONCENTRATION OF CO IN THE WASTE GAS FROM COKE OVEN BATTERIES THAT ARE HEATED WITH LEAN GAS
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Assignee
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| FRIEDRICH-UHDE-STRASSE 15 |
| DORTMUND, GERMANY 44141 |
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Correspondence name and address
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MARSHALL & MELHORN
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ATTN: MARK A. HIXON
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FOUR SEAGATE, EIGHTH FLOOR
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TOLEDO, OH 43604
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