Inventor · Menlo Park, CA, US

Samson Hettiarachchi

31Patents
13h-index
30Co-inventors
81Inventor score

Filing activity: Dec 11, 1989 → Apr 8, 2016

Most-cited inventions

PatentTitleAreaCited byStatus
US5818893A In-situ palladium doping or coating of stainless steel surfaces Emerging Cross-Sectional Technologies 27 Expired
US5571394A Monolithic sensor switch for detecting presence of stoichiometric H.sub.2 /O.sub.2 ratio in boiling water reactor circuit Physics 25 Expired
US5774516A Modification of oxide film electrical conductivity to maintain low corrosion potential in high-temperature water Emerging Cross-Sectional Technologies 25 Expired
US5608766A Co-deposition of palladium during oxide film growth in high-temperature water to mitigate stress corrosion cracking Emerging Cross-Sectional Technologies 22 Expired
US5625656A Method for monitoring noble metal distribution in reactor circuit during plant application Emerging Cross-Sectional Technologies 20 Expired
US5602888A Radiation-induced palladium doping of metals to protect against stress corrosion cracking Emerging Cross-Sectional Technologies 20 Expired
US5904991A In-situ palladium doping or coating of stainless steel surfaces Emerging Cross-Sectional Technologies 19 Expired
US5768330A Co-deposition of palladium during oxide film growth in high-temperature water to mitigate stress corrosion cracking Emerging Cross-Sectional Technologies 18 Expired
US5600692A Method for improving tenacity and loading of palladium on palladium-doped metal surfaces Emerging Cross-Sectional Technologies 16 Expired
US6793883B2 Application of catalytic nanoparticles to high temperature water systems to reduce stress corrosion cracking Emerging Cross-Sectional Technologies 16 Expired
US5805653A Noble metal doping or coating of crack interior for stress corrosion cracking protection of metals Emerging Cross-Sectional Technologies 16 Expired
US5883311A Methods and apparatus for detection of crack initiation Physics 14 Expired
US5280250A Method and apparatus for measuring .zeta. potential of a substance at high temperature Physics 14 Expired
US5448605A Palladium acetylacetonate solution and related method of manufacture Emerging Cross-Sectional Technologies 12 Expired
US5600691A Noble metal doping or coating of crack interior for stress corrosion cracking protection of metals Emerging Cross-Sectional Technologies 11 Expired
US5719911A System for monitoring noble metal distribution in reactor circuit during plant application Emerging Cross-Sectional Technologies 11 Expired
US5773096A Method of catalyst preparation by high-temperature hydrothermal incorporation of noble metals onto surfaces and matrices Emerging Cross-Sectional Technologies 8 Expired
US5238553A Reference electrode assembly and process for constructing Physics 8 Expired
US6357284B1 Ceramic corrosion potential sensor and method for its manufacture Physics 7 Expired
US5896432A Brazeless electrochemical corrosion potential sensor Emerging Cross-Sectional Technologies 7 Expired
US6440297B1 System and method for determining noble metal concentrations in reactor coolant streams Emerging Cross-Sectional Technologies 6 Expired
US6714618B1 Temperature-based method for controlling the amount of metal applied to metal oxide surfaces to reduce corrosion and stress corrosion cracking Emerging Cross-Sectional Technologies 4 Expired
US5132093A Synergistic corrosion inhibitors based on substituted pyridinium compounds Chemistry; Metallurgy 2 Expired
US8054933B2 Chemical injection system and chemical delivery process/method of injecting into an operating power reactor Emerging Cross-Sectional Technologies 2 Active
US6697449B2 Temperature-based method for controlling the amount of metal applied to metal oxide surfaces to reduce corrosion and stress corrosion cracking Emerging Cross-Sectional Technologies 1 Expired

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