Patent assignee · FR · COMPANY

LaFarge Platres

31Patents
12Active
31Granted
42Portfolio score

Filing activity: May 21, 1999 → Apr 22, 2011 · 12 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6569541B1 Plaster-based prefabricated structural element exhibiting water resistance Emerging Cross-Sectional Technologies 21 Expired
US7700505B2 Gypsum board and systems comprising it Emerging Cross-Sectional Technologies 18 Active
US7470338B2 Process for forming dense layers in a gypsum slurry Performing Operations; Transporting 16 Expired
US8119207B2 Process and apparatus for manufacturing set cellular cement Chemistry; Metallurgy 16 Active
US6105325A Method, assembly and additional coat for the construction of interior works Chemistry; Metallurgy 14 Expired
US7842218B2 Method of producing a structure Chemistry; Metallurgy 12 Active
US7047701B2 Jointing compound or plaster for construction elements and its method of preparation Chemistry; Metallurgy 12 Expired
US7033431B2 Surfactant composition for gypsum plaster boards Chemistry; Metallurgy 12 Expired
US7594963B2 Joint compound composition for building elements and method of producing a structure Chemistry; Metallurgy 6 Expired
US8151532B2 Construction assembly of skim coated prefabricated elements and jointing material, a kit therefor, and method of assembling the same Emerging Cross-Sectional Technologies 6 Expired
US7220373B2 Process for lightening plasterboards Chemistry; Metallurgy 5 Expired
US7469510B2 System using a drywall board and a jointing compound Chemistry; Metallurgy 4 Expired
US8524373B2 Gypsum plasterboard with a coating slip and method of manufacturing Emerging Cross-Sectional Technologies 4 Active
US7208225B2 Prefabricated plaster board Emerging Cross-Sectional Technologies 4 Expired
US7214411B2 Coating spray apparatus and method of using same Performing Operations; Transporting 4 Expired
US7414085B2 Coating for wall construction Chemistry; Metallurgy 4 Expired
US7337587B2 Construction assembly of plaster boards and a method of assembling a plurality of plaster boards Emerging Cross-Sectional Technologies 3 Expired
US7748888B2 Apparatus for stabilizing plaster Performing Operations; Transporting 3 Active
US8252110B2 Lightweight plasterboard and plaster slurry composition used for its manufacture Emerging Cross-Sectional Technologies 3 Active
US6616755B1 Self-levelling concrete and method for making a structural part Chemistry; Metallurgy 3 Expired
US7759416B2 Method for producing a work, jointing and surfacing compound for structural elements and its method of preparation Chemistry; Metallurgy 3 Expired
US8251695B2 Device for drying and/or calcining gypsum Mechanical Engineering; Lighting; Heating 3 Active
US8277586B2 Production process for hydraulic binder-based boards with four tapered edges, production line of such boards Emerging Cross-Sectional Technologies 2 Active
US7431783B2 Method and apparatus for production of plaster plates having 4 tapered edges Emerging Cross-Sectional Technologies 1 Expired
US7651327B2 Production line for producing sheets based on hydraulic binder and method of manufacturing the same Emerging Cross-Sectional Technologies 1 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.