Inventor · Grand Blanc, MI, US

Robert A. Roth

29Patents
14h-index
39Co-inventors
81Inventor score

Filing activity: Jul 2, 1976 → Nov 24, 2020

Most-cited inventions

PatentTitleAreaCited byStatus
US5207672A Instrument and method for intraluminally relieving stenosis Human Necessities 1,117 Expired
US4911164A Surgical tool and method of use Human Necessities 187 Expired
US5209725A Prostatic urethra dilatation catheter system and method Human Necessities 150 Expired
US5566221A Apparatus for applying a predetermined x-radiation flux to an interior surface of a body cavity Human Necessities 132 Expired
US5986271A Fluorescence imaging system Human Necessities 86 Expired
US4672937A Fuel pump system Emerging Cross-Sectional Technologies 53 Expired
USD832260S1 USB hub General 49 Active
US5421824A Bladder evacuator Human Necessities 45 Expired
US5080108A Surgical drape Human Necessities 33 Expired
US5263965A Manual compression aid and method Human Necessities 26 Expired
US4282873A Medical irrigation device Human Necessities 21 Expired
US6179145A Serviceable sealed fuel tank Performing Operations; Transporting 17 Expired
US4226073A Tray loader Performing Operations; Transporting 15 Expired
US7086388B2 Combination valve for fuel system Emerging Cross-Sectional Technologies 15 Expired
US4734008A Pump impeller Mechanical Engineering; Lighting; Heating 13 Expired
US5393206A Fuel pump for a motor vehicle Mechanical Engineering; Lighting; Heating 12 Expired
US6877525B2 Check valve for fuel pump Emerging Cross-Sectional Technologies 11 Expired
US5013072A Articulated tube connection, in particular for the exhaust pipework of a motor vehicle Emerging Cross-Sectional Technologies 11 Expired
US5209630A Pump impeller Mechanical Engineering; Lighting; Heating 10 Expired
US8091578B2 Axially adjustable fill limiter vent valve Emerging Cross-Sectional Technologies 9 Active
US6966306B2 Fuel pump module assembly for fuel tank Mechanical Engineering; Lighting; Heating 8 Expired
US5638713A Universal backup handcuff key Emerging Cross-Sectional Technologies 8 Expired
US6994108B2 Check valve for fuel pump Emerging Cross-Sectional Technologies 7 Expired
US4044885A Method and apparatus for counting and loading items, particularly cookies, into packages and the like Performing Operations; Transporting 7 Expired
US6743355B2 Heated fuel strainer assembly Mechanical Engineering; Lighting; Heating 7 Expired

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