LOUISIANA-PACIFIC CORPORATION

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Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
B32B LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM4153
 
  
 
E04B GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS 245
 
  
 
E04D ROOF COVERINGS; SKY-LIGHTS; GUTTERS; ROOF-WORKING TOOLS 225
 
  
 
B05D PROCESSES FOR APPLYING LIQUIDS OR OTHER FLUENT MATERIALS TO SURFACES, IN GENERAL 186
 
  
 
B28B SHAPING CLAY OR OTHER CERAMIC COMPOSITIONS, SLAG OR MIXTURES CONTAINING CEMENTITIOUS MATERIAL, e.g. PLASTER 127
 
  
 
B28C PREPARING CLAY; PRODUCING MIXTURES CONTAINING CLAY OR CEMENTITIOUS MATERIAL, e.g. PLASTER 114
 
  
 
C04B LIME; MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS 167
 
  
 
C08J WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER- TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C C08F, C08G or C08H 177
 
  
 
C08K USE OF INORGANIC OR NON-MACROMOLECULAR ORGANIC SUBSTANCES AS COMPOUNDING INGREDIENTS 1101
 
  
 
C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS 1115

Top Patents (by citation)

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Recent Publications

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Recent Patents

Patent # Title Filing Date Issue Date Intl Class
7851021 Treated wet process hardboardAug 30, 06Dec 14, 10[B05D, B32B]
6926785 Low emissivity products and methods for making sameMay 28, 03Aug 09, 05[E04D, B32B]
6461743 Smooth-sided integral composite engineered panels and methods for producing sameAug 17, 00Oct 08, 02[B32B]
6393727 Method for reducing VOC emissions during the manufacture of wood productsSep 29, 00May 28, 02[F26B]
6297313 Adhesive systems and products formed using same and methods for producing said adhesive systems and productsJul 22, 99Oct 02, 01[C08J, C08L, C08K]
6251495 Low emissivity products and methods for making sameJul 22, 99Jun 26, 01[B32B]
5637362 Thin, sealant-coated, fiber-reinforced gypsum panelJun 07, 95Jun 10, 97[C04B]
5342566 Method of manufacturing fiber gypsum boardAug 23, 90Aug 30, 94[B28B, B28C, B32B]
5335473 Tongue and groove board productSep 04, 92Aug 09, 94[E04B]
5231814 Roof decking with reduced radiationOct 23, 91Aug 03, 93[E04D]

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Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
2010/0071,829 Accelerated Curing Adhesive For Wood CompositesAbandonedSep 25, 08Mar 25, 10[B27N]
2010/0075,153 Catalyzed Isocyanate Adhesive System For Wood CompositesAbandonedSep 25, 08Mar 25, 10[B05D, C08G, B32B]
2008/0081,169 Adhesive Bonding Materials and Composite Lignocellulose Products Formed Using Same and Methods for Producing Composite Lignocellulose ProductsAbandonedOct 03, 06Apr 03, 08[D04H]
6868877 Method for producing a processed continuous veneer ribbon and consolidated processed veneer strand product therefromExpiredNov 13, 02Mar 22, 05[B31F, B31B, B27G]
2003/0224,173 Polymer-cellulose composites having increased fade resistance and process for producing sameAbandonedApr 10, 03Dec 04, 03[B32B]
2003/0008,110 Swell-resistant multi-layer products and methods for producing sameAbandonedJun 21, 01Jan 09, 03[B32B]
6451115 Wood particle/resin etc. tumbler-blenderExpiredMay 18, 00Sep 17, 02[B05D, B05B]
5338339 Apparatus and method for removing resinated wood particles from an air streamExpiredApr 13, 92Aug 16, 94[B01D]
5277712 Dry mix-type joint compounds, compositions therefrom and methods for filling drywall joints with sameExpiredAug 20, 92Jan 11, 94[C04B]
5114281 Machine for blowing thermal insulationExpiredJun 21, 90May 19, 92[B60D]
5110324 Electrostatic separation method and apparatusExpiredDec 27, 89May 05, 92[B03C]
5088260 System and method for joining structural panelsExpiredJul 23, 90Feb 18, 92[E04B]
5042404 Method of retaining sulfur in ash during coal combustionExpiredSep 04, 90Aug 27, 91[F22D]
4967534 Wood I-beams and methods of making sameExpiredAug 09, 85Nov 06, 90[E04C]
4931113 Veneer edge joinder method and apparatusExpiredMar 09, 89Jun 05, 90[B27D]
4846923 Production line assembly for making wooden I-beamsExpiredMar 17, 87Jul 11, 89[B27D, B32B]
4840207 Apparatus for making wooden I-beamsExpiredJul 01, 87Jun 20, 89[B27C]
4720318 Method and apparatus for making wooden I-beamsExpiredMar 24, 86Jan 19, 88[B27D, B32B]
4356045 Complete production line of wood I-joist manufacturing apparatus the method of manufacture, and the I-joist product, having lumber chords and a plywood webExpiredMay 30, 80Oct 26, 82[B27D, B32B]

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