Inventor · Portsmouth, VA, US

Clark D Boyd

93Patents
17h-index
16Co-inventors
81Inventor score

Filing activity: Oct 15, 1998 → Apr 8, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US6124678A Fluorescent lamp excitation circuit having a multi-layer piezoelectric acoustic transformer and methods for using the same Electricity 57 Expired
US6366006B1 Composite piezoelectric transformer Electricity 51 Expired
US6812594B2 Self-powered trainable switching network Emerging Cross-Sectional Technologies 36 Expired
US6630894B1 Self-powered switching device Emerging Cross-Sectional Technologies 33 Expired
US7561276B2 Demodulation method and apparatus for fiber optic sensors Physics 32 Active
US6362559B1 Piezoelectric transformer with segmented electrodes Electricity 24 Expired
US10014461B1 Structurally embedded and inhospitable environment systems and devices having autonomous electrical power sources Electricity 24 Active
US6326718A Multilayer piezoelectric transformer Electricity 24 Expired
US10056538B1 Methods for fabrication, manufacture and production of energy harvesting components and devices Electricity 23 Active
US10249810B2 Structurally embedded and inhospitable environment systems and devices having autonomous electrical power sources Electricity 23 Active
US6346764B1 Multilayer piezoelectric transformer Electricity 21 Expired
US9793317B1 Devices and systems incorporating energy harvesting components/devices as autonomous energy sources and as energy supplementation, and methods for producing devices and systems incorporating energy harvesting components/devices Electricity 20 Active
US6114797A Ignition circuit with piezoelectric transformer Electricity 20 Expired
US6052300A DC-AC converter circuit using resonating multi-layer piezoelectric transformer Emerging Cross-Sectional Technologies 19 Expired
US9786718B1 Integrated circuit components incorporating energy harvesting components/devices, and methods for fabrication, manufacture and production of integrated circuit components incorporating energy harvesting components/devices Electricity 19 Active
US10109781B1 Methods for fabrication, manufacture and production of an autonomous electrical power source Electricity 17 Active
US10079561B1 Energy harvesting components and devices Electricity 17 Active
US6246153A Positive feedback resonant transducer circuit Performing Operations; Transporting 16 Expired
US7084529B2 Self-powered switch initiation system Emerging Cross-Sectional Technologies 15 Expired
US6532822B1 Resonant torsion pendulum pressure sensor Physics 15 Expired
US9726790B2 Systems and methods for implementing selective electromagnetic energy filtering objects and coatings using selectably transmissive energy scattering layers Emerging Cross-Sectional Technologies 15 Active
US10546991B2 Methods for fabrication, manufacture and production of an autonomous electrical power source Electricity 15 Active
US9923514B1 Security and tracking systems including energy harvesting components for providing autonomous electrical power Emerging Cross-Sectional Technologies 14 Active
US10109672B2 Devices and systems incorporating energy harvesting components/devices as autonomous energy sources and as energy supplementation, and methods for producing devices and systems incorporating energy harvesting components/devices Electricity 14 Active
US10553774B2 Methods for fabrication, manufacture and production of energy harvesting components and devices Electricity 13 Active

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