Inventor · Vernon Hills, IL, US

Qingxia Liu

29Patents
19h-index
32Co-inventors
77Inventor score

Filing activity: Nov 19, 2001 → Oct 28, 2011

Most-cited inventions

PatentTitleAreaCited byStatus
US7776170B2 Fire-resistant gypsum panel Emerging Cross-Sectional Technologies 93 Active
US6822033B2 Compositions and methods for treating set gypsum Chemistry; Metallurgy 83 Expired
US8070895B2 Water resistant cementitious article and method for preparing same Emerging Cross-Sectional Technologies 45 Active
US8088218B2 Foamed slurry and building panel made therefrom Chemistry; Metallurgy 43 Active
US7572329B2 Method of making a gypsum slurry with modifiers and dispersants Emerging Cross-Sectional Technologies 43 Active
US6805741B1 Ready-mixed setting-type composition and related kit Chemistry; Metallurgy 42 Expired
US7767019B2 Gypsum products utilizing a two-repeating unit dispersant and a method for making them Emerging Cross-Sectional Technologies 35 Active
US7803226B2 Siloxane polymerization in wallboard Emerging Cross-Sectional Technologies 30 Active
US7811685B2 Siloxane polymerization in wallboard Emerging Cross-Sectional Technologies 28 Active
US7815730B2 Siloxane polymerization in wallboard Emerging Cross-Sectional Technologies 25 Active
US7637996B2 Gypsum products utilizing a two-repeating unit dispersant and a method for making them Emerging Cross-Sectional Technologies 24 Active
US7572328B2 Fast drying gypsum products Chemistry; Metallurgy 24 Active
US7776462B2 Gypsum products utilizing a two-repeating unit dispersant and a method of making them Emerging Cross-Sectional Technologies 23 Active
US8142915B2 Foamed slurry and building panel made therefrom Emerging Cross-Sectional Technologies 22 Active
US7588634B2 Process for manufacturing ultra low consistency alpha- and beta- blend stucco Chemistry; Metallurgy 21 Active
US8568544B2 Water resistant cementitious article and method for preparing same Emerging Cross-Sectional Technologies 20 Active
US7544242B2 Effective use of dispersants in wallboard containing foam Chemistry; Metallurgy 20 Active
US7803296B2 Methods and systems for preparing gypsum slurry containing a cellulose ether Chemistry; Metallurgy 19 Active
US7776461B2 Gypsum products utilizing a two-repeating unit dispersant and a method for making them Emerging Cross-Sectional Technologies 19 Active
US8133600B2 Siloxane polymerization in wallboard Emerging Cross-Sectional Technologies 17 Active
US7754006B2 Process for manufacturing ready-mixed setting alpha-calcium sulphate hemi-hydrate and kit for same Chemistry; Metallurgy 16 Active
US7608347B2 Modifiers for gypsum slurries and method of using them Emerging Cross-Sectional Technologies 16 Active
US7861955B2 Wet-grinding gypsum with polycarboxylates Emerging Cross-Sectional Technologies 14 Active
US7932308B2 Modifiers for gypsum slurries and method of using them Emerging Cross-Sectional Technologies 14 Active
US7815889B2 Method and apparatus for pressurized calcination of gypsum Mechanical Engineering; Lighting; Heating 6 Active

Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.