Inventor · Arnold, MD, US

John T. Hall

21Patents
12h-index
16Co-inventors
78Inventor score

Filing activity: Jan 24, 1974 → Sep 9, 2008

Most-cited inventions

PatentTitleAreaCited byStatus
US5394520A Imaging apparatus for providing a composite digital representation of a scene within a field of regard Electricity 179 Expired
US6396241B1 Inductive charging system employing a fluid-cooled transformer coil and transmission cable Emerging Cross-Sectional Technologies 104 Expired
US5434493A Fixed core inductive charger Emerging Cross-Sectional Technologies 81 Expired
US7369998B2 Context based language translation devices and methods Physics 62 Expired
US5545966A Air/liquid cooled metallic turn for high frequency high power charging transformers Emerging Cross-Sectional Technologies 44 Expired
US5600222A Thermal management using a hybrid spiral/helical winding geometry Emerging Cross-Sectional Technologies 36 Expired
US5594315A Liquid cooled metallic inductive probe for high power charging Emerging Cross-Sectional Technologies 24 Expired
US5388040A Series resonant converter having an actively controlled third element Emerging Cross-Sectional Technologies 23 Expired
US5463303A Multilayer separate windings of inductive charge coupler for automobile battery charging transformer Emerging Cross-Sectional Technologies 22 Expired
US5483143A Composite core designed for inductive coupled transformer probes Emerging Cross-Sectional Technologies 18 Expired
US5477122A Plastic powder iron protection cover over ferrite for an inductively coupled charge probe Emerging Cross-Sectional Technologies 16 Expired
US5499185A Ducted air-cooled secondary of automobile battery charging transformer Emerging Cross-Sectional Technologies 14 Expired
US6104169A Battery charging system that controls charging power using fourth element capacitors Emerging Cross-Sectional Technologies 12 Expired
US4040087A Electronic motion compensation for the pyroelectric vidicon Electricity 10 Expired
USD581988S1 Hand-held device General 10 Expired
US4537368A Pendulum roll loader Performing Operations; Transporting 7 Expired
US7197845B2 T-top outrigger holder apparatus Performing Operations; Transporting 7 Expired
USD501459S1 Hand-held device General 5 Expired
US3930381A Universal joint Mechanical Engineering; Lighting; Heating 4 Expired
US7830236B2 DC-DC converter for fuel cell application using hybrid inductor core material Emerging Cross-Sectional Technologies 3 Active
US5640135A Sectional ferrite core construction for mechanical stress relief in inductive charging systems Emerging Cross-Sectional Technologies 2 Expired

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