Inventor · Madison, WI, US

Gregory J. Hallingstad

23Patents
5h-index
15Co-inventors
62Inventor score

Filing activity: Apr 7, 2009 → Nov 2, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US8190203B2 Wireless earphone that transitions between wireless networks Electricity 45 Active
US8571544B2 System with wireless earphones Electricity 38 Active
US9049502B2 System with wireless earphones Electricity 33 Active
US9066638B2 Insert for use with a roll of web material, and providing a unique identifier for the roll of web material Performing Operations; Transporting 15 Active
US10206025B2 System with wireless earphones Electricity 8 Active
US10959011B2 System with wireless earphones Electricity 2 Active
US10848850B2 System with wireless earphones Electricity 2 Active
US10827251B2 System with wireless earphones Electricity 1 Active
US10469934B2 System with wireless earphones Electricity 1 Active
US11425486B2 Wireless earphone that transitions between wireless networks Electricity 1 Active
US10491982B1 System with wireless earphones Electricity 1 Active
US10368155B2 System with wireless earphones Electricity 1 Active
US10959012B2 System with wireless earphones Electricity 1 Active
US10506325B1 System with wireless earphones Electricity 1 Active
US11792561B2 Wireless earphones that play lossy compressed streaming audio Electricity 0 Active
US10848852B2 System with wireless earphones Electricity 0 Active
US11606638B2 Wireless earphones with digital signal processors Electricity 0 Active
US10757498B2 System with wireless earphones Electricity 0 Active
US11582546B2 Wireless earphones with hanger bars Electricity 0 Active
US11653139B2 Wireless earphones that play lossy compressed streaming audio Electricity 0 Active
US12127717B2 Paper product dispenser cutting system Emerging Cross-Sectional Technologies 0 Active
US10848851B2 System with wireless earphones Electricity 0 Active
US11425485B2 Wireless earphone that transitions between wireless networks Electricity 0 Active

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