Inventor · Minneapolis, MN, US

Dennis Smith

19Patents
10h-index
27Co-inventors
72Inventor score

Filing activity: Mar 6, 1975 → Apr 11, 2019

Most-cited inventions

PatentTitleAreaCited byStatus
US5954526A Process control transmitter with electrical feedthrough assembly Physics 74 Expired
US5872494A Level gage waveguide process seal having wavelength-based dimensions Physics 59 Expired
USD439179S Pressure transmitter with single inlet base and dual compartment housing General 36 Expired
USD439181S Pressure transmitter with dual inlet base and dual compartment housing General 32 Expired
US7302863B2 Software correction method and apparatus for a variable orifice flow meter Physics 28 Active
US4467046A Dehydrogenation catalyst Chemistry; Metallurgy 16 Expired
US6756339B1 Dehydrogenation catalysts Chemistry; Metallurgy 15 Expired
US6325391A PTFE window seal with EMI shielding Emerging Cross-Sectional Technologies 15 Expired
US6191065A Dehydrogenation catalysts Chemistry; Metallurgy 13 Expired
USD470462S1 Housing for photoelectric control General 11 Expired
US6242379A Dehydrogenation catalysts Chemistry; Metallurgy 9 Expired
US7096744B2 Software correction method and apparatus for a variable orifice flow meter Physics 9 Expired
US6177602A Process for dehydrogenation of alkylaromatic hydrocarbons using a dehydrogenation catalyst Chemistry; Metallurgy 8 Expired
US3961847A Arcuate screen for an electrophotographic printing machine Physics 5 Expired
US7271126B2 Catalyst for the dehydrogenation of ethyl benzene to STYRENE prepared with a high purity iron precursor Performing Operations; Transporting 3 Expired
US7530278B2 Fluid flow blender and methods Emerging Cross-Sectional Technologies 2 Active
US7435862B2 Radial reactor loading of a dehydrogenation catalyst Chemistry; Metallurgy 1 Active
US10620337B2 Retro-reflective sensor with multiple detectors Physics 0 Active
US10393918B2 Retro-reflective sensor with multiple detectors Physics 0 Active

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