Inventor · North Palm Beach, FL, US

John E Ryznic

24Patents
9h-index
15Co-inventors
68Inventor score

Filing activity: Feb 18, 2005 → Jun 22, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US8858161B1 Multiple staged compressor with last stage airfoil cooling Emerging Cross-Sectional Technologies 53 Active
US7397144B1 Bearing-less floating wind turbine Emerging Cross-Sectional Technologies 35 Active
US7841834B1 Method and leading edge replacement insert for repairing a turbine engine blade Mechanical Engineering; Lighting; Heating 26 Active
US8475112B1 Multiple staged compressor with last stage airfoil cooling Emerging Cross-Sectional Technologies 17 Active
US8240975B1 Multiple staged compressor with last stage airfoil cooling Emerging Cross-Sectional Technologies 17 Active
US8070450B1 High temperature turbine rotor blade Mechanical Engineering; Lighting; Heating 17 Active
US7300255B2 Laminated turbomachine airfoil with jacket and method of making the airfoil Mechanical Engineering; Lighting; Heating 13 Expired
US7750492B1 Bearingless floating wind turbine Emerging Cross-Sectional Technologies 12 Active
US8272843B1 TBC with fibrous reinforcement Mechanical Engineering; Lighting; Heating 12 Active
US8049353B1 Stackable generator arrangement Mechanical Engineering; Lighting; Heating 9 Active
US7861510B1 Ceramic regenerator for a gas turbine engine Mechanical Engineering; Lighting; Heating 8 Active
US8556576B2 Cooled IBR for a micro-turbine Emerging Cross-Sectional Technologies 8 Active
US7893556B1 Vertical axis wind turbine with direct drive generator Emerging Cross-Sectional Technologies 6 Active
US8721265B1 Multiple staged compressor with last stage airfoil cooling Emerging Cross-Sectional Technologies 5 Active
US8231350B1 Turbine rotor blade Mechanical Engineering; Lighting; Heating 5 Active
US8794907B1 Multiple staged compressor with last stage airfoil cooling Emerging Cross-Sectional Technologies 4 Active
US7360434B1 Apparatus and method to measure air pressure within a turbine airfoil Mechanical Engineering; Lighting; Heating 3 Active
US8421263B2 Floating vertical axis wind turbine Emerging Cross-Sectional Technologies 2 Active
US10641177B2 Apparatus and process of retrofitting a combined cycle power plant Emerging Cross-Sectional Technologies 2 Active
US8061990B1 Turbine rotor blade with low cooling flow Mechanical Engineering; Lighting; Heating 2 Active
US11454389B1 Combination recessed lighting and smoke detector Physics 1 Active
US10288520B1 Apparatus and process for testing an aero vehicle at high Mach number Physics 1 Active
US11041436B2 Process for retrofitting an industrial gas turbine engine for increased power and efficiency Mechanical Engineering; Lighting; Heating 0 Active
US8517684B2 Turbine blade with multiple impingement cooled passages Mechanical Engineering; Lighting; Heating 0 Active

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