Inventor · Portland, OR, US

Todd Ernst

41Patents
5h-index
24Co-inventors
69Inventor score

Filing activity: Feb 9, 2001 → Jan 10, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US11363843B1 Safety vest with light tubes Mechanical Engineering; Lighting; Heating 8 Active
USD977723S1 Safety vest with back light General 7 Active
US11297886B1 Safety vest with flange light Mechanical Engineering; Lighting; Heating 5 Active
US8334961B2 Electrooptical display with electrical crossover Physics 5 Active
US7158847B2 System and method for determining components of a blended plastic material Performing Operations; Transporting 5 Expired
USD1002951S1 Safety vest with light tubes General 5 Active
US7023409B2 Drive schemes for gray scale bistable cholesteric reflective displays utilizing variable frequency pulses Physics 3 Expired
US11746998B1 Light device and support device Mechanical Engineering; Lighting; Heating 3 Active
USD1008504S1 Hard hat light assembly General 3 Active
USD1025419S1 Headlamp General 3 Active
USD1025436S1 Power pack with light tube General 2 Active
US7675239B2 Power management method and device for low-power displays Physics 2 Active
USD1033704S1 Flashlight General 2 Active
USD1026266S1 Headlamp General 2 Active
US11746999B1 Headlamp with battery unit and booster unit Mechanical Engineering; Lighting; Heating 1 Active
USD1010941S1 Light device with helmet strap General 1 Active
USD1046231S1 Light device General 1 Active
USD1030149S1 Hard hat General 1 Active
USD1000715S1 Lighted hard hat General 1 Active
USD1055345S1 Light unit General 1 Active
USD1041706S1 Headlamp light unit General 1 Active
US11262635B1 Magnet erased eWriter Physics 1 Active
USD1038465S1 Safety vest light General 1 Active
USD1048493S1 Armband with light sheath General 1 Active
USD999455S1 Lighted helmet General 1 Active

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