Inventor · Hornsby, AU

Ian Malcolm Smith

92Patents
22h-index
56Co-inventors
91Inventor score

Filing activity: Mar 16, 1999 → Jul 28, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US6935337B2 Humidifier with structure to prevent backflow of liquid through the humidifier inlet Emerging Cross-Sectional Technologies 198 Expired
US6302105A Apparatus for supplying breathable gas Human Necessities 132 Expired
US7137388B2 Air pressure signal monitoring in apparatus for treating sleep disordered breathing Human Necessities 123 Expired
US7614398B2 Humidifier with structure to prevent backflow of liquid through the humidifier inlet Emerging Cross-Sectional Technologies 109 Active
USRE44453E1 Humidifier with structure to prevent backflow of liquid through the humidifier inlet General 99 Active
USD659235S1 Positive airway pressure delivery device General 73 Expired
US7559326B2 Vent and/or diverter assembly for use in breathing apparatus Human Necessities 66 Active
USD708316S1 Positive airway pressure delivery device and humidifier General 57 Active
US8739780B2 Low cost CPAP flow generator and humidifier assembly Human Necessities 56 Active
US8544465B2 Compliant coupling or adaptor Performing Operations; Transporting 54 Active
US8146596B2 Vent and/or diverter assembly for use in breathing apparatus Human Necessities 52 Active
USD577807S1 Impeller General 45 Expired
US9707370B2 Humidifier tub for CPAP device Human Necessities 45 Active
USD645950S1 Impeller General 45 Expired
USD630721S1 Impeller General 34 Expired
US6269839A Control member for a valve and method for determining fluid flow rate through a valve Emerging Cross-Sectional Technologies 34 Expired
US9038629B2 Humidifier and/or flow generator for CPAP device Performing Operations; Transporting 30 Active
US7571725B2 Apparatus for supplying breathable gas Human Necessities 29 Active
USD619449S1 Adaptor seal General 27 Expired
USRE46079E1 Humidifier with structure to prevent backflow of liquid through the humidifier inlet General 24 Active
US6357463B1 Control member for a valve and method for determining fluid flow rate through a valve Emerging Cross-Sectional Technologies 23 Expired
USD542900S1 Humidifier unit General 22 Expired
US10864343B2 Respiratory pressure treatment system Electricity 21 Active
US8272837B2 Single or multiple stage blower and nested volute(s) and/or impeller(s) therefor Mechanical Engineering; Lighting; Heating 19 Active
US6730927B1 Gas flow measurement device Physics 19 Expired

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