Inventor · Chelmsford, MA, US

David Cassidy

33Patents
13h-index
24Co-inventors
81Inventor score

Filing activity: May 11, 1989 → Apr 27, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US7896842B2 System for guiding a user during programming of a medical device Physics 189 Active
US6175688A Wearable intravenous fluid heater Human Necessities 173 Expired
US6480257B2 Heat exchanger useable in wearable fluid heater Human Necessities 116 Expired
US6236809A Wearable intravenous fluid heater Human Necessities 111 Expired
US7695448B2 Flow control in an intravenous fluid delivery system Human Necessities 85 Active
US6117076A Patient monitoring system and method Human Necessities 53 Expired
US7158719B2 Medical fluid warming system Electricity 32 Expired
US5319170A Induction fluid heater utilizing a shorted turn linking parallel flow paths Human Necessities 24 Expired
US5939858A Battery charger box Electricity 23 Expired
US7377148B2 Capacitor-based gas detection in an intravenous fluid delivery system Human Necessities 21 Expired
US8395519B2 Device and method of determining safety in a battery pack Emerging Cross-Sectional Technologies 19 Active
US7741815B2 Lithium polymer battery powered intravenous fluid warmer Emerging Cross-Sectional Technologies 19 Active
US8222768B2 Methods and apparatus for powering electric devices coupled to a patient to reduce transients in patient monitoring devices Human Necessities 16 Active
US8632624B2 Fluid trap and method of separating fluids Human Necessities 12 Active
US5660131A Icebreaker attachment Performing Operations; Transporting 11 Expired
US7865072B2 Intravenous fluid warming system Human Necessities 7 Active
US7547295B2 Gas removal in an intravenous fluid delivery system Human Necessities 6 Expired
US8128518B1 Goalie training device and method Human Necessities 6 Active
US4907145A Sine wave inverter Electricity 5 Expired
US9233198B2 Fluid trap and method of separating fluids Human Necessities 4 Active
US8796997B2 Lithium polymer battery powered intravenous fluid warmer Emerging Cross-Sectional Technologies 3 Active
US8150244B2 Intravenous fluid warming system Human Necessities 3 Active
US8660415B2 Intravenous fluid warming system Human Necessities 2 Active
US8593110B2 Device and method of battery discharge Emerging Cross-Sectional Technologies 2 Active
US8313460B2 Devices, systems, and methods for warming fluids in multiple intravenous fluid containers Human Necessities 1 Active

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