Inventor · West Liberty, IA, US

Jay V. Clark

26Patents
21h-index
5Co-inventors
74Inventor score

Filing activity: Jan 24, 1992 → Dec 9, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US8958980B2 Method of generating a geodetic reference database product Physics 111 Active
US5466159A Collaborative and quality control scoring system Emerging Cross-Sectional Technologies 81 Expired
US5321611A Multiple test scoring system Physics 74 Expired
US5437554A System for providing performance feedback to test resolvers Emerging Cross-Sectional Technologies 66 Expired
US5433615A Categorized test item reporting system Physics 62 Expired
US5558521A System for preventing bias in test answer scoring Emerging Cross-Sectional Technologies 59 Expired
US5458493A Dynamic on-line scoring guide Emerging Cross-Sectional Technologies 58 Expired
US5716213A Method for preventing bias in test answer scoring Emerging Cross-Sectional Technologies 58 Expired
US5735694A Collaborative and quality control scoring method Emerging Cross-Sectional Technologies 56 Expired
US5690497A Dynamic on-line scoring method Emerging Cross-Sectional Technologies 55 Expired
US5752836A Categorized test item reporting method Emerging Cross-Sectional Technologies 52 Expired
US5709551A Multiple test item scoring method Emerging Cross-Sectional Technologies 48 Expired
US5718591A Method for providing performance feedback to test resolvers Emerging Cross-Sectional Technologies 43 Expired
US6155839A Dynamic on-line scoring guide and method Emerging Cross-Sectional Technologies 41 Expired
US5184003A Scannable form having a control mark column with encoded data marks Physics 38 Expired
US5531429A Variable printing and selective binding of booklets Emerging Cross-Sectional Technologies 35 Expired
US6183261A Collaborative and quality control scoring system and method Emerging Cross-Sectional Technologies 32 Expired
US6168440A Multiple test item scoring system and method Emerging Cross-Sectional Technologies 31 Expired
US6558166B1 Multiple data item scoring system and method Emerging Cross-Sectional Technologies 30 Expired
US6193521A System for providing feedback to test resolvers Emerging Cross-Sectional Technologies 28 Expired
US6159018A Categorized test reporting system and method Emerging Cross-Sectional Technologies 22 Expired
US6183260A Method and system for preventing bias in test answer scoring Emerging Cross-Sectional Technologies 20 Expired
US6749435B2 Collaborative and quality control scoring system and method Emerging Cross-Sectional Technologies 11 Expired
US6918772B2 Categorized data item reporting system and method Emerging Cross-Sectional Technologies 5 Expired
US6976847B2 System for providing feedback to evaluators Emerging Cross-Sectional Technologies 0 Expired

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