Inventor · Chapel Hill, NC, US

John Andres

18Patents
8h-index
30Co-inventors
72Inventor score

Filing activity: Mar 18, 1999 → Sep 9, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US6753786B1 Microprocessor-based combination smoke and carbon monoxide detector having intelligent hush feature Physics 55 Expired
US6522248B1 Multicondition detection apparatus and method providing interleaved tone and verbal warnings Physics 34 Expired
US7642924B2 Alarm with CO and smoke sensors Physics 34 Active
US6791453B1 Communication protocol for interconnected hazardous condition detectors, and system employing same Physics 30 Expired
US6873254B2 Multicondition detection apparatus and method providing interleaved tone and verbal warnings Physics 18 Expired
US7508314B2 Low battery warning silencing in life safety devices Physics 16 Expired
US7268683B2 Hazard detector with theft detection Physics 13 Expired
US7449990B2 Communication protocol for interconnected hazardous condition detectors, and system employing same Physics 13 Expired
US7385517B2 Gateway device to interconnect system including life safety devices Physics 8 Expired
US7339468B2 Radio frequency communications scheme in life safety devices Physics 5 Expired
US10424190B2 Safety automation system and method of operation Physics 4 Active
US6976883B2 Adaptor apparatus and method for interchanging smoke alarms Electricity 3 Expired
US9091388B2 Mounting assembly with automatic activation for alarm units Emerging Cross-Sectional Technologies 2 Active
US11240056B2 Safety automation system Electricity 0 Active
US11928954B1 Hazard detection apparatus, system and methods Physics 0 Active
US11792037B2 Safety automation system Electricity 0 Active
US11087606B2 High sensitivity fiber optic based detection Physics 0 Active
US9019112B2 Systems and methods for optimizing low battery indication in alarms Physics 0 Active

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