Inventor · Richmond, BC, CA

William Dale Ritchie

6Patents
5h-index
12Co-inventors
49Inventor score

Filing activity: Oct 10, 2000 → Dec 12, 2002

Most-cited inventions

PatentTitleAreaCited byStatus
US6755253B2 Pressure control system for a wet connect/disconnect hydraulic control line connector Fixed Constructions 25 Expired
US7040049B2 Integrated electronic gift card packet Performing Operations; Transporting 21 Expired
US6318757A Integrated dual-laminate identification card in a form and method of making the card Performing Operations; Transporting 17 Expired
US6814375B2 Integrated plasticized card in a paper carrier and method of manufacture Emerging Cross-Sectional Technologies 8 Expired
US6773035B1 Integrated plasticized card in a paper carrier and method of manufacture Emerging Cross-Sectional Technologies 5 Expired
US7040665B2 Carrier sheet with integrated detachable die-cut card having a magnet material backing Emerging Cross-Sectional Technologies 4 Expired

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