Inventor · Columbia, MD, US

David E. W. Vaughan

66Patents
17h-index
37Co-inventors
84Inventor score

Filing activity: Mar 20, 1974 → Aug 1, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US4176090A Pillared interlayered clay materials useful as catalysts and sorbents Chemistry; Metallurgy 139 Expired
US4248739A Stabilized pillared interlayered clays Performing Operations; Transporting 86 Expired
US4271043A Pillared interlayered clay products Emerging Cross-Sectional Technologies 55 Expired
US7264789B1 Crystalline molecular sieves Emerging Cross-Sectional Technologies 47 Expired
US3947482A Method for producing open framework zeolites Chemistry; Metallurgy 35 Expired
US6294493A Silicoaluminophosphates having an AEL structure Emerging Cross-Sectional Technologies 34 Expired
US4091079A Zeolite VK-2 Chemistry; Metallurgy 27 Expired
US6300537A Method for the use of new silicoaluminophosphas having an AEL structure to convert naptha to C2 to C4 olefins Emerging Cross-Sectional Technologies 26 Expired
US4333859A High silica faujasite polymorph - CSZ-3 and method of synthesizing Emerging Cross-Sectional Technologies 25 Expired
US3966883A Synthetic ferrierite synthesis Emerging Cross-Sectional Technologies 24 Expired
US4666877A Multimetallic pillared interlayered clay products and processes of making them Performing Operations; Transporting 23 Expired
US4178352A Synthesis of type Y zeolite Emerging Cross-Sectional Technologies 22 Expired
US6521563B2 Silicoaluminophosphates having an ael structure, a method for their preparation and their use as naphtha cracking catalysts Emerging Cross-Sectional Technologies 21 Expired
US4340573A Preparation of zeolites Emerging Cross-Sectional Technologies 18 Expired
US5283047A Synthesis of ECR-26 (C-2646) Chemistry; Metallurgy 18 Expired
US9826828B1 Cabinet assembly system utilizing cooperating grooved components Mechanical Engineering; Lighting; Heating 17 Active
US5326734A Pillared interlayered kandite clay compositions Performing Operations; Transporting 17 Expired
US5328675A Transition-metal-aluminosilicate hydrocarbon conversion catalysts having an L type structure, ECR-22-D Emerging Cross-Sectional Technologies 16 Expired
US6303534A Silicoaluminophosphates having an AEL structure, and their preparation Emerging Cross-Sectional Technologies 16 Expired
US4778779A Catalysts comprising silica supported on alumina, their preparation and use Performing Operations; Transporting 16 Expired
US4879103A Composition and process for preparing ECR-30 Emerging Cross-Sectional Technologies 15 Expired
US4717560A Crystalline zeolite composition (ECR-5) having a cancrinite-like structure and process for its preparation Chemistry; Metallurgy 15 Expired
US5116590A Crystalline zeolite ECR-35 and a method for producing same Emerging Cross-Sectional Technologies 14 Expired
US4933161A Tin substitution into zeolite frameworks Emerging Cross-Sectional Technologies 13 Expired
US6540970B1 Method for the synthesis of molecular sieves Emerging Cross-Sectional Technologies 13 Expired

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