Inventor · Royston, GB

Patrick Campbell

7Patents
4h-index
21Co-inventors
49Inventor score

Filing activity: Apr 29, 2002 → Oct 7, 2009

Most-cited inventions

PatentTitleAreaCited byStatus
USD473298S1 Inhaler refill General 52 Expired
US9056174B2 Medicament-containing dispenser provided with a display for presenting indicia to a user Human Necessities 28 Active
USD480474S1 Inhaler General 25 Expired
US9095670B2 Inhalation device and method of dispensing medicament Human Necessities 12 Active
US9289565B2 Inhaler with indexing linked to movement of cover Human Necessities 1 Active
US7597098B2 Inhaler valve mechanism Physics 1 Expired
US9155851B2 Breath activated inhaler Human Necessities 0 Active

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