Inventor · Auckland, NZ

John Thomas Ferguson

41Patents
11h-index
12Co-inventors
68Inventor score

Filing activity: Feb 2, 2009 → Oct 6, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US9772102B1 Vision enhancing assembly Physics 29 Active
US10941933B2 Vision enhancing light clip Physics 25 Active
US9351799B2 Comfortable medical headlamp assembly Mechanical Engineering; Lighting; Heating 24 Active
US9091428B2 Medical headlamp assembly having interchangeable headlamp types Emerging Cross-Sectional Technologies 23 Active
USD713575S1 Headlamp General 23 Active
US9234653B2 Medical headlamp optical arrangement permitting variable beam width Mechanical Engineering; Lighting; Heating 21 Active
USD706474S1 Headlamp General 21 Active
US9707707B2 Comfortable medical headlamp assembly Performing Operations; Transporting 18 Active
USD752791S1 Headlamp General 17 Active
USD615679S1 Headlamp General 16 Expired
US10064656B2 Spinal fixation construct and methods of use Human Necessities 14 Active
US10174912B1 Focused LED headlamp with iris assembly Mechanical Engineering; Lighting; Heating 10 Active
US9568177B2 Medical headlamp assembly having interchangeable headlamp types with key resistors Emerging Cross-Sectional Technologies 8 Active
US10258411B1 Video processing headband Electricity 4 Active
US9687314B2 Medical headlamp optical arrangement Mechanical Engineering; Lighting; Heating 4 Active
US10708990B1 Color tunable medical headlamp bezel Mechanical Engineering; Lighting; Heating 3 Active
US10634330B1 Headband assembly Mechanical Engineering; Lighting; Heating 3 Active
US9795421B2 Spinal construct with flexible member Human Necessities 3 Active
US10767840B2 Focused LED headlamp with iris assembly Mechanical Engineering; Lighting; Heating 2 Active
US10690325B2 Medical headlamp optical arrangement permitting variable beam width Mechanical Engineering; Lighting; Heating 2 Active
USD892723S1 Combination battery and holder assembly General 1 Active
US11147648B2 Headlamp assembly having comfort element Mechanical Engineering; Lighting; Heating 1 Active
US11160632B1 Highly efficient medical headlamp Mechanical Engineering; Lighting; Heating 1 Active
US10955125B2 Headlamp assembly Mechanical Engineering; Lighting; Heating 1 Active
US10928049B1 Headlamp assembly Mechanical Engineering; Lighting; Heating 1 Active

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