Inventor · Sudbury, MA, US

John Ruddy

4Patents
2h-index
5Co-inventors
41Inventor score

Filing activity: Feb 8, 1974 → Mar 15, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US4058678A Remote signalling to a telephone line utilizing power line carrier signals Electricity 97 Expired
US3949172A Telephone extension system utilizing power line carrier signals Electricity 83 Expired
US11498511B2 Airbag assemblies including airbag bodies having sewn portions and methods for forming same Performing Operations; Transporting 1 Active
US10576924B2 Vehicle airbag apparatus Performing Operations; Transporting 0 Active

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