US Patent No: 5,350,554

Number of patents in Portfolio can not be more than 2000

Method for production of reinforced cementitious panels

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Abstract

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A method and apparatus for producing light-weight construction panels having a cementitious core layer surfaced with a layer of reinforcing fabric bonded to the two faces of the core includes the use of slurry applicator having a supporting member and a doctor in addition to a moving carrier for the slurry coated fabric. The edges of the panel also are covered with the fabric and may be open mesh edges. Cementitious slurry, for example, portland cement slurry, is applied to the fabric by means of a supporting member over which the fabric is drawn and a doctor means adjustably mounted above the supporting member. The supporting member is of a non-base-reactive material such as polypropylene or stainless steel; the use of such a supporting member permits better application of the slurry to the fabric before placement of the slurry coated fabric on the moving carrier.

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First Claim

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Patent Owner(s)

Patent OwnerAddressTotal Patents
CUSTOM BUILDING PRODUCTS, INC.SEAL BEACH, CA20

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Miller, Robert G Bakersfield, CA 41 797

Cited Art Landscape

Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (2)
* 4,298,413 Method and apparatus for producing concrete panels 44 1980
* 4,907,531 Drawdown machines 2 1988
 
Custom Building Products, Inc. (2)
* 4,816,091 Method and apparatus for producing reinforced cementious panel webs 46 1987
* 5,030,502 Cementitious construction panel 29 1990
 
Kurimoto Iron Works, Ltd. (1)
* 4,411,723 Glass fiber-reinforced cement plates 24 1981
 
MODULARS, INC. (1)
* RE32038 Methods for manufacturing cementitious reinforced panels 10 1982
 
G-P GYPSUM CORPORATION (2)
* 4,647,496 Use of fibrous mat-faced gypsum board in exterior finishing systems for buildings 125 1984
* 4,810,569 Fibrous mat-faced gypsum board 95 1987
 
GLASCRETE, INC. (1)
* 4,793,892 Apparatus for producing reinforced cementitious panel webs 30 1987
 
Saint-Gobain Industries (1)
* 4,364,790 Apparatus for making plaster board 19 1980
 
INTERNATIONAL PAPER COMPANY (1)
* 4,477,495 Method and apparatus for preparing thermoplastic coated webs and products thereof 6 1982
 
EPSI Brevets et Participations S.A. (1)
* 4,369,025 Apparatus for manufacturing elements by means of a hardenable binding agent to which a liquid is added 47 1980
 
UNITED STATES GYPSUM COMPANY (5)
* 4,450,022 Method and apparatus for making reinforced cement board 73 1982
* 4,518,652 Method for forming a lightweight cementitious structural product and product formed thereby 47 1983
* 4,504,335 Method for making reinforced cement board 52 1983
* 4,488,917 Method for making cement board 23 1983
* 4,916,004 Cement board having reinforced edges 61 1988
* Cited By Examiner

Patent Citation Ranking

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Patent Info (Count) # Cites Year
 
Other [Check patent profile for assignment information] (14)
* 5,961,900 Method of manufacturing composite board 11 1994
* 2002/0170,648 Asymmetrical concrete backerboard and method for making same 24 2001
* 6,976,345 Cementitious based structural lumber product and externally reinforced lightweight retaining wall system 9 2002
* 2002/0162,295 Cementitious based structural lumber product and externally reinforced lightweight retaining wall system 1 2002
* 2002/0112,574 Slide switch adjustable wrench 0 2002
* 2003/0037,502 Fungus resistant gypsum-based substrate 7 2002
6,911,076 Cementitious based structural lumber product and externally reinforced lightweight retaining wall system 3 2003
* 2004/0144,059 Cementitious based structural lumber product and externally reinforced lighweight retaining wall system 3 2003
* 2004/0052,588 Cementitious based structural lumber product and externally reinforced lightweight retaining wall system 2 2003
* 2006/0191,743 Sound absorbing wall systems and methods of producing same 7 2004
RE41592 Method of producing gypsum/fiber board 0 2005
* 2005/0269,738 Layering process for forming a reinforced article 1 2005
* 2011/0220,277 Eliminating Joint Lines In Furniture 0 2009
8,413,333 Method for making an asymmetrical concrete backerboard 4 2010
 
INTELLECTUAL VENTURES FUND 83 LLC (1)
8,094,927 Stereoscopic display system with flexible rendering of disparity map according to the stereoscopic fusing capability of the observer 6 2004
 
CERTAINTEED GYPSUM, INC. (2)
* 8,177,541 Gypsum board forming device with improved slurry spread 2 2007
8,834,145 Gypsum board forming device with improved slurry spread 0 2012
 
PURCRETE LIMITED (1)
* 2006/0020,048 Polyurethane-containing building materials 1 2003
 
TechFab, LLC - Anderson, SC (1)
* 2004/0224,584 Facing sheet of open mesh scrim and polymer film for cement boards 11 2003
 
TECHFAB, LLC (2)
* 6,054,205 Glass fiber facing sheet and method of making same 48 1997
* 6,391,131 Method of making glass fiber facing sheet 28 1999
 
BPB LIMITED (8)
* 6,878,321 Method of manufacture of glass reinforced gypsum board and apparatus therefor 36 2001
* 2002/0187,298 Method of manufacture of glass reinforced gypsum board and apparatus therefor 3 2001
* 6,866,492 Gypsum board forming device 18 2002
* 2002/0187,296 Glass reinforced gypsum board and method of manufacture 3 2002
* 7,435,369 Method for targeted delivery of additives to varying layers in gypsum panels 8 2004
* 2005/0159,057 Exterior sheathing weather barrier construction and method of manufacture 9 2005
7,811,413 Apparatus for targeted delivery of additives to varying layers in gypsum panels 1 2008
* 2009/0087,616 COATINGS FOR GLASS REINFORCED FACED GYPSUM BOARD 7 2008
 
MILLIKEN & COMPANY (3)
* 2005/0186,409 FABRIC REINFORCED CEMENT 1 2004
7,914,884 Fabric reinforced cement 1 2005
* 2005/0233,656 Fabric reinforced cement 0 2005
 
USG INTERIORS, LLC (1)
* 2008/0179,775 Transfer Plate Useful in the Manufacture of Panel and Board Products 0 2007
 
National Gypsum Properties, LLC (3)
6,187,409 Cementitious panel with reinforced edges 48 1998
6,488,792 Method and apparatus for manufacturing cementitious panel with reinforced longitudinal edge 41 2000
* 2002/0090,871 Cementitious panel with basalt fiber reinforced major surface(s) 21 2001
 
Hanson Aggregates LLC (1)
9,328,027 Fast-curing pervious concrete mix 0 2013
 
SAINT-GOBAIN TECHNICAL FABRICS AMERICA (2)
7,846,278 Methods of making smooth reinforced cementitious boards 5 2003
7,300,892 Facing material with controlled porosity for construction boards 14 2005
 
ENVIRO-PLY INTERNATIONAL, INC. (1)
* 6,316,087 Synthetic structural panel and method for manufacture 12 1998
 
SAINT-GOBAIN TECHNICAL FABRICS AMERICA, INC. (1)
6,368,024 Geotextile fabric 4 1998
 
Custom Building Products, Inc. (2)
* 2004/0043,682 Composite board 17 2002
* 2006/0183,387 Composite board 3 2005
 
Saint-Gobain Adfors Canada, Ltd (4)
* 6,254,817 Reinforced cementitious boards and methods of making same 17 1998
7,045,474 Reinforced cementitious boards and methods of making same 8 2001
7,300,515 Facing material with controlled porosity for construction boards 16 2005
9,017,495 Methods of making smooth reinforced cementitious boards 0 2010
 
NEHEMIAH ELITE WALL SYSTEMS, INC., an Arizona Corporation (1)
* 6,176,920 Cementitious structural panel and method of its manufacture 57 1998
 
CONSOLIDATED MINERALS, INC. (2)
* 6,800,174 System for making wallboard or backerboard sheets including aerated concrete 1 2002
* 2002/0088,524 System for making wallboard or backerboard sheets including aerated concrete 0 2002
 
INNOVATIVE TECHNOLOGIES ENTERPRISES CORPORATION (3)
6,251,979 Strengthened, light weight wallboard and method and apparatus for making the same 24 1999
6,319,312 Strengthened, light weight wallboard and method and apparatus for making the same 37 1999
6,340,388 Strengthened, light weight wallboard and method and apparatus for making the same 14 2000
 
SAINT GOBAIN TECHNICAL FABRICS, LTD. (1)
7,049,251 Facing material with controlled porosity for construction boards 23 2003
 
DIVERSITECH CORPORATION (2)
7,334,385 Automated tucking process for covering a penetrable core material 0 2005
* 2005/0268,575 Automated tucking process for covering a penetrable core material 0 2005
 
JAMES HARDIE TECHNOLOGY LIMITED (2)
* 7,204,065 Cement render system 21 2001
* 2004/0074,184 Cement render system 9 2003
 
OWENS CORNING INTELLECTUAL CAPITAL, LLC (1)
6,579,413 Wet-formed mat applications for cement backerboards 14 2002
 
UNITED STATES GYPSUM COMPANY (20)
* 6,508,895 Method of producing gypsum/fiber board 10 1999
* 6,475,313 Process for making gypsum board having improved through-penetration strength 16 2000
7,364,676 Slurry spreader for cementitious board production 4 2005
* 2007/0045,892 Slurry spreader for cementitious board production 1 2005
7,897,079 Method and apparatus for scrim embedment into wet processed panels 0 2006
7,754,052 Process and apparatus for feeding cementitious slurry for fiber-reinforced structural cement panels 0 2006
7,524,386 Method for wet mixing cementitious slurry for fiber-reinforced structural cement panels 7 2006
7,513,963 Method for wet mixing cementitious slurry for fiber-reinforced structural cement panels 6 2006
7,475,599 Wet slurry thickness gauge and method for use of same 1 2006
* 2008/0110,276 WET SLURRY THICKNESS GAUGE AND METHOD FOR USE OF SAME 16 2006
* 2008/0099,171 PROCESS AND APPARATUS FOR FEEDING CEMENTITIOUS SLURRY FOR FIBER-REINFORCED STRUCTURAL CEMENT PANELS 14 2006
* 2008/0099,133 PANEL SMOOTHING PROCESS AND APPARATUS FOR FORMING A SMOOTH CONTINUOUS SURFACE ON FIBER-REINFORCED STRUCTURAL CEMENT PANELS 16 2006
8,137,490 Process of manufacturing cement based armor panels 0 2009
8,061,257 Cement based armor panel system 4 2009
8,062,741 Cement based laminated armor panels 2 2009
8,030,377 Self-leveling cementitious composition with controlled rate of strength development and ultra-high compressive strength upon hardening and articles made from same 8 2009
* 2010/0229,715 CEMENT BASED ARMOR PANEL SYSTEM 3 2009
* 2009/0239,977 SELF-LEVELING CEMENTITIOUS COMPOSITION WITH CONTROLLED RATE OF STRENGTH DEVELOPMENT AND ULTRA-HIGH COMPRESSIVE STRENGTH UPON HARDENING AND ARTICLES MADE FROM SAME 6 2009
8,038,915 Panel smoothing process and apparatus for forming a smooth continuous surface on fiber-reinforced structural cement panels 0 2010
* 2010/0132,870 PANEL SMOOTHING PROCESS AND APPARATUS FOR FORMING A SMOOTH CONTINUOUS SURFACE ON FIBER-REINFORCED STRUCTURAL CEMENT PANELS 0 2010
* Cited By Examiner