Method of manufacturing fiber gypsum board

Number of patents in Portfolio can not be more than 2000

United States of America Patent

PATENT NO 5342566
SERIAL NO

07572758

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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A method and apparatus for producing gypsum board. The method includes the steps of mixing a predetermined amount of fibers, absorbent, and water to form a mixture of wetted, loose fibers, mixing the wetted fibers with predetermined amount of dry calcined gypsum, forming the mixture into a matt having a substantially uniform consistency and compressing the matt to form a board composed of bonded fibers and gypsum. The resulting board has a smooth exterior and can be a homogeneous or a multilayer board.

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Patent Owner(s)

Patent OwnerAddress
LOUISIANA-PACIFIC CORPORATION414 UNION STREET SUITE 2000 NAHSVILLE TN 37219
CARL SCHENCK AGA CORP OF GERMAN D-6100 DARMSTADT 1

International Classification(s)

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  • 1990 Application Filing Year
  • B28B Class
  • 109 Applications Filed
  • 2 Patents Issued To-Date
  • 1.84 % Issued To-Date
Click to zoom InYear of Issuance% of Matters IssuedCumulative IssuancesYearly Issuances199019911992199319940255075100

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Bhagwat, Suda G Double Oak, TX 1 72
Eisses, James Coeus D'Alene, ID 1 72
Melzer, Gerhard M Lautertal, DE 1 72
Schafer, Karl K Gengenbach, DE 1 72
Scriba, Jorg Ortenberg, DE 1 72

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Patent Citation Ranking

  • 72 Citation Count
  • B28B Class
  • 98.54 % this patent is cited more than
  • 31 Age
Citation count rangeNumber of patents cited in rangeNumber of patents cited in various citation count ranges7873146201 - 1011 - 2021 - 3031 - 4041 - 5005101520253035404550556065707580859095

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