Inventor · Lynchburg, VA, US

John C. Griffith

14Patents
5h-index
19Co-inventors
63Inventor score

Filing activity: Nov 14, 1986 → Sep 30, 2013

Most-cited inventions

PatentTitleAreaCited byStatus
US5117548A Apparatus for loosening a mechanical plug in a heat exchanger tube Emerging Cross-Sectional Technologies 25 Expired
US4937524A Rotating eddy current roller head for inspecting tubing Physics 16 Expired
US5793205A Coil and guide system for eddy current examination of pipe Physics 15 Expired
US4766374A Fuel channel flatness measurement Physics 14 Expired
US5134367A Rotating eddy current roller head for inspecting and profiling tubing having two separate cross wound coils Physics 11 Expired
US7405558B2 Steam generator mapping with reflections of eddy current signal Emerging Cross-Sectional Technologies 5 Active
US7637653B2 Method to analyze economics of asset management solutions for nuclear steam generators Emerging Cross-Sectional Technologies 3 Active
US7810991B2 Method to analyze economics of asset management solutions for nuclear steam generators Emerging Cross-Sectional Technologies 2 Active
US7822259B2 Method for positive identification of inner surface and outer surface of sample flakes Emerging Cross-Sectional Technologies 2 Active
US7420165B1 Method of determining the power transfer of nuclear component with a layer of material placed upon a heating surface of the component Emerging Cross-Sectional Technologies 2 Active
US8527216B2 Eddy current for the characterization of broached tube support plate blockage Mechanical Engineering; Lighting; Heating 1 Active
US9280688B2 Apparatus and method for limiting and analyzing stress corrosion cracking in pressurized water reactors Emerging Cross-Sectional Technologies 1 Active
US8744781B2 Eddy current method for the characterization of broached tube support plate blockage Mechanical Engineering; Lighting; Heating 0 Active
US9721680B2 Operating a nuclear reactor using a deposit model of a nuclear reactor heat transfer surface Emerging Cross-Sectional Technologies 0 Active

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