Patent assignee · CH · COMPANY

Microdrug AG

21Patents
0Active
21Granted
27Portfolio score

Filing activity: Dec 22, 1997 → Jan 7, 2003

Most-cited patents

PatentTitleAreaCited byStatus
US6439227B1 Breath-actuation Human Necessities 69 Expired
USD477665S1 Inhaler General 62 Expired
US6571793B1 Optimization of an electrostatically dosed dry powder inhaler Human Necessities 60 Expired
US6668826B1 Airbrake Human Necessities 55 Expired
US6089227A Device for an inhaler Human Necessities 49 Expired
US6696090B1 Electro-powder Human Necessities 37 Expired
US6840239B2 De-aggregating and dispersing dry medicament powder into air Human Necessities 26 Expired
US6422236B1 Continuous dry powder inhaler Human Necessities 23 Expired
US6651341B1 Foil cutter Human Necessities 21 Expired
US6722365B2 Active walls Human Necessities 19 Expired
US6881398B2 Therapeutic dry powder preparation Human Necessities 11 Expired
US6671161B2 Removing dose electric charge Human Necessities 11 Expired
US6526969B2 Method and device for releasing powder Human Necessities 8 Expired
US6360744B1 User interface Human Necessities 6 Expired
US6622723B1 Inhaler dosing device Human Necessities 6 Expired
US6868853B1 Metered electro-dose Human Necessities 6 Expired
USD443689S Inhalator General 3 Expired
US6592930B2 Particle flow control Human Necessities 2 Expired
US6536426B1 Active walls Human Necessities 2 Expired
US6513663B1 Powder feeding device Human Necessities 1 Expired
US6575161B1 Powder classification device Human Necessities 0 Expired

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.