Inventor · Center Valley, PA, US

John D. Lynn

19Patents
8h-index
18Co-inventors
69Inventor score

Filing activity: Jan 2, 1979 → Apr 24, 2012

Most-cited inventions

PatentTitleAreaCited byStatus
US5259697A Composition and process for forming low permeability barriers for waste disposal sites Emerging Cross-Sectional Technologies 29 Expired
US4911757A Process for chemical stabilization of heavy metal bearing dusts and sludges Emerging Cross-Sectional Technologies 29 Expired
US4840671A Process for chemical stabilization of heavy metal bearing dusts and sludges as EAF dust Emerging Cross-Sectional Technologies 27 Expired
US6387175B1 Roadway base intermediate, roadway base, and methods of manufacture Emerging Cross-Sectional Technologies 15 Expired
US5568896A Methods for preparing pulpwood for digestion Textiles; Paper 13 Expired
US4425228A Wet-classifying method for recovery of carbon and iron-bearing particles Emerging Cross-Sectional Technologies 11 Expired
US5785737A Method for recycling iron bearing sludges in a steelmaking operation Emerging Cross-Sectional Technologies 11 Expired
US5435835A Method and system for removing and/or causing recycling of materials Emerging Cross-Sectional Technologies 8 Expired
US6383250B1 Steel making revert and process for preparing Emerging Cross-Sectional Technologies 4 Expired
US6136066A Method of recycling iron-bearing waste material back into a basic oxygen furnace Emerging Cross-Sectional Technologies 2 Expired
US4209313A Method for controlling noxious gases formed during granulation of molten slag Chemistry; Metallurgy 2 Expired
US6241805A Method and system for improving the efficiency of a basic oxygen furnace Emerging Cross-Sectional Technologies 2 Expired
US6871745B2 Distributor apparatus for providing a uniform discharge of material Performing Operations; Transporting 2 Expired
US6126714A Revert manufactured from iron-bearing waste material Emerging Cross-Sectional Technologies 2 Expired
US7531046B2 Process for de-oiling steelmaking sludges and wastewater streams Emerging Cross-Sectional Technologies 1 Expired
US6238443A Process of agglomerating high carbon dusts and a substantially non-dusting high carbon composition therefrom Emerging Cross-Sectional Technologies 1 Expired
US6007601A Lime enhanced pressure filtration of iron and steel making sludge Emerging Cross-Sectional Technologies 1 Expired
US6514312B2 Steelmaking slag conditioner and method Emerging Cross-Sectional Technologies 0 Expired
US8535410B1 Blast furnace cooling method to increase steel production and reduce cost in a basic oxygen furnace Emerging Cross-Sectional Technologies 0 Active

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