Patent assignee · US · COMPANY

Millar Instruments

25Patents
6Active
25Granted
40Portfolio score

Filing activity: Apr 21, 1976 → Jul 18, 2012 · 3 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US5046497A Structure for coupling a guidewire and a catheter Human Necessities 339 Expired
US4771782A Method and assembly for introducing multiple catheters into a biological vessel Human Necessities 244 Expired
US4850358A Method and assembly for introducing multiple devices into a biological vessel Human Necessities 243 Expired
US6398738B1 Method and apparatus for reconstructing a high fidelity pressure waveform with a balloon catheter Human Necessities 191 Expired
US4966148A Assembly for positioning diagnostic devices in a biological vessel Human Necessities 186 Expired
US4901731A Single sensor pressure differential device Human Necessities 163 Expired
US5902248A Reduced size catheter tip measurement device Human Necessities 146 Expired
US5191898A Method and assembly for measuring intracranial fluid characateristics Human Necessities 98 Expired
US5117836A Method for measuring intracranial fluid characteristics Human Necessities 84 Expired
US4175566A Catheter fluid-velocity flow probe Human Necessities 81 Expired
US6394986B1 Pressure sensing module for a catheter pressure transducer Human Necessities 69 Expired
US5431628A Pressure-sensing diagnostic catheter Human Necessities 62 Expired
US6974422B1 Catheter pressure transducer with pressure sensing module Human Necessities 60 Expired
US7731664B1 Pressure sensing module for a catheter pressure transducer Human Necessities 59 Active
US6918873B1 Inverted sensor module Human Necessities 56 Expired
US6994695B1 Pressure sensing module for a catheter pressure transducer Human Necessities 54 Expired
US8025623B1 Pressure sensing module for a catheter pressure transducer Human Necessities 40 Active
US5503156A Noninvasive pulse transducer for simultaneously measuring pulse pressure and velocity Human Necessities 23 Expired
US6817983B1 External fluid-filled catheter pressure transducer Human Necessities 11 Expired
US7182847B1 System and probe for monitoring pH levels of a sample medium Emerging Cross-Sectional Technologies 9 Expired
US9125242B2 Selectable resonant frequency transcutaneous energy transfer system Electricity 6 Active
US7972495B1 System, method, and probe for monitoring pH levels of a sample medium Emerging Cross-Sectional Technologies 6 Active
US8128989B1 System, method, and probe for monitoring pH levels of a sample medium Emerging Cross-Sectional Technologies 4 Active
US9429479B2 Methods, devices, and systems which determine a parameter value of an object or an environment from a voltage reading associated with a common mode signal of a balanced circuit Human Necessities 3 Active
US7013702B1 Dynamic pressure generator Physics 1 Expired

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