Inventor · Lake Forest, CA, US

John Schmidt

38Patents
15h-index
28Co-inventors
81Inventor score

Filing activity: Jan 29, 1981 → May 6, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US7096054B2 Low noise optical housing Human Necessities 1,065 Expired
US7280858B2 Pulse oximetry sensor Human Necessities 1,059 Expired
US7919713B2 Low noise oximetry cable including conductive cords Emerging Cross-Sectional Technologies 827 Active
US8588880B2 Ear sensor Human Necessities 730 Active
US8712494B1 Reflective non-invasive sensor Human Necessities 710 Active
US8921699B2 Low noise oximetry cable including conductive cords Emerging Cross-Sectional Technologies 534 Active
US9259185B2 Ear sensor Human Necessities 492 Active
US10205291B2 Pogo pin connector Electricity 488 Active
US10327337B2 Fold flex circuit for LNOP Electricity 472 Active
US10568553B2 Soft boot pulse oximetry sensor Human Necessities 432 Active
US11389093B2 Low noise oximetry cable Electricity 267 Active
US10292657B2 Ear sensor Human Necessities 203 Active
US4390784A One piece ion accelerator for ion mobility detector cells Physics 79 Expired
US4525704A Enzymatic toxic gas sensor Emerging Cross-Sectional Technologies 32 Expired
US4525266A Electrochemical gas sensor Physics 24 Expired
US4500391A Method of and system for real time differential pulse detection Physics 13 Expired
US4744954A Amperometric gas sensor containing a solid electrolyte Physics 13 Expired
US11437768B2 Pogo pin connector Electricity 10 Active
USD282531S Gas sensing device or similar article General 10 Expired
US4595486A Electrochemical gas sensor Physics 9 Expired
US5830344A Disposable sensor for metal analysis and method of using same Physics 9 Expired
US7405073B2 Point source biological agent detection system Physics 7 Expired
US5070555A Oscillatable hospital bed footboard assembly Human Necessities 4 Expired
US5554268A Disposable sensor for metal analysis Physics 3 Expired
US11432771B2 Physiological measurement device Human Necessities 2 Active

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