Inventor · Cromwell, CT, US

Robert J. Maron

33Patents
17h-index
39Co-inventors
81Inventor score

Filing activity: Jan 23, 1984 → Mar 19, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5892860A Multi-parameter fiber optic sensor for use in harsh environments Physics 184 Expired
US6016702A High sensitivity fiber optic pressure sensor for use in harsh environments Physics 148 Expired
US6439055B1 Pressure sensor assembly structure to insulate a pressure sensing device from harsh environments Fixed Constructions 60 Expired
US5877426A Bourdon tube pressure gauge with integral optical strain sensors for measuring tension or compressive strain Physics 60 Expired
US6278811A Fiber optic bragg grating pressure sensor Physics 55 Expired
US4821563A Apparatus for measuring weight, torque and side force on a drill bit Fixed Constructions 53 Expired
US6490931B1 Fused tension-based fiber grating pressure sensor Physics 52 Expired
US6175108A Accelerometer featuring fiber optic bragg grating sensor for providing multiplexed multi-axis acceleration sensing Physics 52 Expired
US4958517A Apparatus for measuring weight, torque and side force on a drill bit Fixed Constructions 47 Expired
US5844667A Fiber optic pressure sensor with passive temperature compensation Physics 44 Expired
US7058549B2 Apparatus and method for measuring unsteady pressures within a large diameter pipe Physics 38 Expired
US5767411A Apparatus for enhancing strain in intrinsic fiber optic sensors and packaging same for harsh environments Physics 36 Expired
US6252656A Apparatus and method of seismic sensing systems using fiber optics Physics 36 Expired
US4674773A Insulating coupling for drill collars and method of manufacture thereof Mechanical Engineering; Lighting; Heating 28 Expired
US4589187A Method of manufacturing an insulating coupling for drill collars Emerging Cross-Sectional Technologies 22 Expired
US7430924B2 Flow measurement apparatus having strain-based sensors and ultrasonic sensors Physics 18 Active
US6445868B1 Optical fiber feedthrough assembly and method of making same Physics 18 Expired
US6507693B2 Optical filter device having creep-resistant optical fiber attachments Physics 16 Expired
US6317555A Creep-resistant optical fiber attachment Physics 15 Expired
US6768825B2 Optical sensor device having creep-resistant optical fiber attachments Physics 14 Expired
US7237440B2 Flow measurement apparatus having strain-based sensors and ultrasonic sensors Physics 13 Expired
US7322251B2 Method and apparatus for measuring a parameter of a high temperature fluid flowing within a pipe using an array of piezoelectric based flow sensors Physics 9 Expired
US9062682B2 Applications of pump performance monitoring Physics 7 Active
US7197938B2 Contact-based transducers for characterizing unsteady pressures in pipes Physics 6 Expired
US9335298B2 Wear monitoring with rotational sensor and sensor thickness Physics 5 Active

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