Inventor · Austin, TX, US

Patrick J. Ryan

24Patents
14h-index
14Co-inventors
78Inventor score

Filing activity: Sep 14, 1979 → Aug 23, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US4544545A Liposomes containing modified cholesterol for organ targeting Emerging Cross-Sectional Technologies 796 Expired
US4900540A Lipisomes containing gas for ultrasound detection Emerging Cross-Sectional Technologies 349 Expired
US4504768A Electrodeless lamp using a single magnetron and improved lamp envelope therefor Electricity 42 Expired
US5048187A Whip type weed cutter Human Necessities 31 Expired
US6308107A Realtime decision making system for reduction of time delays in an automated material handling system Emerging Cross-Sectional Technologies 30 Expired
US4269581A Apparatus for molding thermosetting material Emerging Cross-Sectional Technologies 28 Expired
US7039495B1 Management of multiple types of empty carriers in automated material handling systems Emerging Cross-Sectional Technologies 27 Expired
US4889397A Integrated modular portable mail tray delivery system and components Human Necessities 26 Expired
US6411859B1 Flow control in a semiconductor fabrication facility Emerging Cross-Sectional Technologies 25 Expired
US4643306A Postal tray Performing Operations; Transporting 25 Expired
US6356804B1 Automated material handling system method and arrangement Emerging Cross-Sectional Technologies 23 Expired
US6035245A Automated material handling system method and arrangement Emerging Cross-Sectional Technologies 23 Expired
US5972727A Reticle sorter Physics 20 Expired
US4936735A Integrated modular portable mail tray delivery system and components Human Necessities 16 Expired
US6449522B1 Managing a semiconductor fabrication facility using wafer lot and cassette attributes Emerging Cross-Sectional Technologies 14 Expired
US6108585A Probabilistic dispatching method and arrangement Emerging Cross-Sectional Technologies 13 Expired
US7119597B1 Methods and apparatus to produce a voltage pulse Physics 10 Expired
US4744459A Method and apparatus for accumulating stockpiles of flowable solid material Performing Operations; Transporting 8 Expired
US6338005B1 Managing test material in an automated material handling system Physics 6 Expired
US8518153B2 Metal-organic frameworks for Xe/Kr separation Performing Operations; Transporting 5 Active
US8798741B2 Automated high voltage defibrillator tester Physics 3 Active
US6928333B1 Scheduling method for automated work-cell transfer system Emerging Cross-Sectional Technologies 1 Expired
US6878895B1 Reticle sorter Emerging Cross-Sectional Technologies 0 Expired
US8784536B2 Metal-organic frameworks for Xe/Kr separation Performing Operations; Transporting 0 Active

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