Inventor · Berwyn, PA, US

David R. Markle

35Patents
16h-index
14Co-inventors
78Inventor score

Filing activity: Dec 2, 1988 → Aug 7, 2014

Most-cited inventions

PatentTitleAreaCited byStatus
US6702972B1 Method of making a kink-resistant catheter Human Necessities 399 Expired
US5596988A Multi-parameter sensor apparatus Performing Operations; Transporting 109 Expired
US5246109A Package for an active medical device Emerging Cross-Sectional Technologies 96 Expired
US5511547A Solid state sensors Physics 77 Expired
US4889407A Optical waveguide sensor and method of making same Physics 60 Expired
US6623490B1 Cranial bolt Human Necessities 58 Expired
USD762091S1 Grinder bottom General 36 Active
US8512245B2 Sensor for percutaneous intravascular deployment without an indwelling cannula Human Necessities 35 Active
US5357732A Method for assembling package for an active medical device Emerging Cross-Sectional Technologies 32 Expired
US5310471A Method for manufacturing an electro chemical sensor Emerging Cross-Sectional Technologies 28 Expired
US5354448A Electrochemical sensor Physics 20 Expired
US5262037A Electrochemical sensor Emerging Cross-Sectional Technologies 20 Expired
US5618587A Vacuum rig apparatus Performing Operations; Transporting 19 Expired
US8088097B2 Use of an equilibrium intravascular sensor to achieve tight glycemic control Human Necessities 17 Active
US7751863B2 Optical determination of ph and glucose Physics 17 Active
US8498682B2 Optical determination of pH and glucose Physics 16 Active
US8535262B2 Use of an equilibrium intravascular sensor to achieve tight glycemic control Human Necessities 16 Active
USD762090S1 Grinder top General 15 Active
US8467843B2 Optical sensor configuration for ratiometric correction of blood glucose measurement Physics 14 Active
US5280130A Assembly of a tube and a part and apparatus and method of manufacture Emerging Cross-Sectional Technologies 13 Expired
US5230031A Barrier for a connector Physics 12 Expired
US5257338A Device for transmitting and returning light and apparatus and method of manufacture Emerging Cross-Sectional Technologies 12 Expired
US9737092B2 Herbal grinder and reservoir Performing Operations; Transporting 11 Active
US8110251B2 Method for polymerizing a monomer solution within a cavity to generate a smooth polymer surface Physics 10 Active
US8700115B2 Optical sensor configuration for ratiometric correction of glucose measurement Physics 8 Active

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