Inventor · Fawn Grove, PA, US

Daniel J Barker

5Patents
2h-index
14Co-inventors
44Inventor score

Filing activity: Sep 19, 2006 → Apr 15, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US9155924B1 Modular chemical/biological headgear system Human Necessities 18 Active
US7861719B1 High surface area chemical/biological air-purifying filter Performing Operations; Transporting 9 Active
US10595580B1 Helmet mounted protective shroud Mechanical Engineering; Lighting; Heating 1 Active
US11723441B1 Advanced sealing-interface surveillance technology Human Necessities 0 Active
US11751615B1 Second-skin respirator cover Human Necessities 0 Active

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