Inventor · Hollis, NH, US

David Harris

29Patents
14h-index
49Co-inventors
81Inventor score

Filing activity: Mar 17, 1989 → Mar 7, 2018

Most-cited inventions

PatentTitleAreaCited byStatus
US7278181B2 Vacuum cleaner with air bleed Human Necessities 116 Expired
USD583463S1 Inhaler General 83 Expired
USD597192S1 Air freshener General 77 Expired
US4944552A Stowable table system Performing Operations; Transporting 71 Expired
USD588687S1 Air freshener General 53 Expired
US8820324B2 Hinged dry powder inhaler comprising a circulating airflow chamber Human Necessities 43 Active
USD608436S1 Air freshener General 35 Expired
USD595829S1 Air freshener General 31 Expired
US7291190B2 Cyclonic separating apparatus Emerging Cross-Sectional Technologies 27 Expired
US7726233B2 Brewing receptacle and a foam unit and a beverage maker comprising such a brewing receptacle Human Necessities 26 Active
USD612612S1 Facial care appliance General 26 Expired
USD614276S1 Room air cleaner General 22 Expired
US9050427B2 Dry powder inhalers with multi-facet surface deagglomeration chambers and related devices and methods Human Necessities 16 Active
US8261739B2 Dry powder inhalers Human Necessities 14 Active
US8381721B2 Dry powder inhalers with dual piercing members and related devices and methods Human Necessities 10 Active
US8550071B2 Inhalers with airway disks having discrete airway channels and related disks and methods Emerging Cross-Sectional Technologies 9 Active
USD908199S1 Air purifier General 8 Active
USD906504S1 Personal rechargeable portable ionic air purifier General 5 Active
US5794906A Sign support system Physics 5 Expired
US8377183B2 High cleaning efficiency room air cleaner with slim profile Performing Operations; Transporting 5 Active
US8646446B2 Dry powder inhalers with rotating piercing mechanisms and related devices and methods Human Necessities 4 Active
US6416095B1 Body side moulding Performing Operations; Transporting 4 Expired
US8985103B2 Dry powder inhalers with dual piercing members Human Necessities 4 Active
US8887722B2 Inhaler mechanisms with radially biased piercers and related methods Human Necessities 3 Active
US8499758B2 Inhalation device Human Necessities 3 Active

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