Inventor · Belmont, CA, US

Stephen John Schoenberg

24Patents
17h-index
28Co-inventors
81Inventor score

Filing activity: Jun 1, 1988 → Nov 4, 2022

Most-cited inventions

PatentTitleAreaCited byStatus
US5505704A Manifold medication injection apparatus and method Human Necessities 425 Expired
US5584815A Multi-cartridge medication injection device Human Necessities 409 Expired
US8443807B2 Breathing assistance apparatus Human Necessities 172 Active
US8479741B2 Breathing assistance apparatus Human Necessities 156 Active
US6328229A Low volume mixing spray head for mixing and dispensing of two reactive fluid components Performing Operations; Transporting 135 Expired
US9517317B2 Breathing assistance apparatus Human Necessities 104 Active
US5478323A Manifold for injection apparatus Human Necessities 98 Expired
US4888001A Cover for a disposable hypodermic needle Human Necessities 83 Expired
US9138555B2 Breathing assistance apparatus Human Necessities 80 Active
US9339624B2 Breathing assistance apparatus Human Necessities 74 Active
US5888826A Combination reagent holding and test device Physics 72 Expired
US9320866B2 Breathing assistance apparatus Human Necessities 68 Active
USD586911S1 Nasal interface General 68 Expired
US5602037A Combination reagent holding and test device Physics 60 Expired
US6123687A Cell separation device and metering syringe Physics 51 Expired
US7922971B2 Integrated meter for analyzing biological samples Emerging Cross-Sectional Technologies 21 Active
USD380827S Multi-cartridge medication injector General 17 Expired
US11291790B2 Breathing assistance apparatus Human Necessities 13 Active
US11260194B2 Breathing assistance apparatus Human Necessities 13 Active
US11357944B2 Breathing assistance apparatus Human Necessities 7 Active
US8815175B2 Integrated meter for analyzing biological samples Emerging Cross-Sectional Technologies 1 Active
US12083279B2 Breathing assistance apparatus Human Necessities 1 Active
US8435447B2 Integrated meter for analyzing biological samples Emerging Cross-Sectional Technologies 0 Active
US12350431B2 Breathing assistance apparatus Human Necessities 0 Active

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