Inventor · New York, NY, US

David Elder

20Patents
12h-index
11Co-inventors
78Inventor score

Filing activity: Aug 30, 1996 → Mar 4, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US7388349B2 Multiple battery switching method and apparatus Emerging Cross-Sectional Technologies 122 Expired
US7567057B2 Multiple battery management system, auxiliary battery attachment system, and network controlled multiple battery system Emerging Cross-Sectional Technologies 34 Expired
US7339347B2 Apparatus and method for reliably supplying electrical energy to an electrical system Emerging Cross-Sectional Technologies 34 Expired
US6931734B2 Marking implement alignment and guide system Physics 33 Expired
US7834583B2 Remotely controlled multiple battery system Emerging Cross-Sectional Technologies 28 Active
US7675261B2 Auxiliary battery attachment apparatus for use in a multiple battery system that reliably supplies electrical energy to an electrical system Emerging Cross-Sectional Technologies 27 Active
US7598700B2 Tamper resistant battery and battery warranty and performance tracking system Emerging Cross-Sectional Technologies 21 Active
US8120364B2 Stand alone battery monitoring system with alert Emerging Cross-Sectional Technologies 19 Active
US10545132B2 Physiological monitoring system communicating with at least a social network Physics 17 Active
US8013611B2 Vehicle battery product and battery monitoring system Emerging Cross-Sectional Technologies 15 Active
US7839117B2 System and method of detecting a battery fault Emerging Cross-Sectional Technologies 14 Active
US7427865B2 Method for detecting a discharge condition fault in an electrical system of a vehicle or piece of machinery Emerging Cross-Sectional Technologies 14 Active
US7679314B2 Multiple battery system for reliably supplying electrical energy to an electrical system Emerging Cross-Sectional Technologies 11 Active
US5719380A Microwave heating apparatus for heating a flowing fluid Performing Operations; Transporting 8 Expired
US10221583B1 Artificially-lighted waterfall fixture apparatus and artificial light-focusing module Mechanical Engineering; Lighting; Heating 8 Active
US9062839B1 Selectively illuminable decorative fixture assemblies for pools, spas and fountains Mechanical Engineering; Lighting; Heating 3 Active
US10865580B1 Artificially-lighted waterfall fixture apparatus and artificial light-focusing module Mechanical Engineering; Lighting; Heating 0 Active
US9897307B1 Selectively illuminable decorative fixture assemblies for pools, spas and fountains Mechanical Engineering; Lighting; Heating 0 Active
US10782352B2 Portable test meter with backlight battery depletion monitoring Physics 0 Active
US12265502B1 Multi-program applicant review system with adjustable parameters Physics 0 Active

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