Patent assignee · US · COMPANY

Tooltek Engineering Corporation

7Patents
1Active
7Granted
31Portfolio score

Filing activity: Feb 20, 1991 → Jul 26, 2012

Most-cited patents

PatentTitleAreaCited byStatus
US6340090B1 Substrate fixturing device Electricity 13 Expired
US5325566A Automatic wash station for cleaning magnetic disk heads Physics 6 Expired
US5114557A Selective plating apparatus with optical alignment sensor Chemistry; Metallurgy 5 Expired
US9190881B1 Rotary-powered mechanical oscillator Electricity 4 Active
US6363594B1 Apparatus for mounting a sleeve on a spindle Emerging Cross-Sectional Technologies 4 Expired
USD422866S Substrate fixturing device General 2 Expired
US6836949B2 Method for mounting a sleeve on a spindle Emerging Cross-Sectional Technologies 1 Expired

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