Patent assignee · US · COMPANY

IOTA ENGINEERING LLC

15Patents
4Active
15Granted
35Portfolio score

Filing activity: Jul 15, 1975 → Feb 23, 2018

Most-cited patents

PatentTitleAreaCited byStatus
US4127797A Inverter oscillator with current feedback Emerging Cross-Sectional Technologies 145 Expired
US6538568B2 Emergency lighting remote monitoring and control system Electricity 86 Expired
US4005335A High frequency power source for fluorescent lamps and the like Electricity 44 Expired
US4017785A Power source for fluorescent lamps and the like Emerging Cross-Sectional Technologies 39 Expired
USD437288S Power supply General 29 Expired
US6285132A Emergency lighting test system and method Emerging Cross-Sectional Technologies 17 Expired
US9398649B2 Constant power supply for LED emergency lighting using smart output resetting circuit for no load conditions Electricity 15 Active
US9609706B2 Power over Ethernet emergency lighting system and method of detecting power loss of a link segment thereof Electricity 7 Active
US4330736A Compensated current feedback oscillator ballast for fluorescent lamps and the like Emerging Cross-Sectional Technologies 6 Expired
US4609852A Lamp ballast with near unity power factor and low harmonic content Electricity 5 Expired
US6930582B2 Self lead foil winding configuration for transformers and inductors Electricity 4 Expired
US10201050B2 Constant power supply for LED emergency lighting using smart output resetting circuit for no load conditions Electricity 3 Active
US6642830B1 Self lead foil winding configuration for transformers and inductors Electricity 2 Expired
US4538094A Lamp ballast with near unity power factor and low harmonic content Electricity 2 Expired
US10361583B2 Power over ethernet emergency lighting system and method of detecting power loss of a link segment thereof Electricity 1 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.