Inventor · Clearwater, FL, US

John Coates

29Patents
9h-index
16Co-inventors
72Inventor score

Filing activity: May 29, 1979 → Oct 24, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US9095291B2 Spectroscopic sensors Human Necessities 93 Active
US6452179B1 On-site analyzer Physics 71 Expired
US7907282B2 Integrated sensing module for handheld spectral measurements Physics 49 Active
US7339657B2 Low-cost on-line and in-line spectral sensors based on solid-state source and detectors combinations for monitoring lubricants and functional fluids Physics 38 Expired
US6707043B2 On-site analyzer Physics 30 Expired
US7459713B2 Integrated sensing system approach for handheld spectral measurements having a disposable sample handling apparatus Physics 27 Active
US4213000A Reducing color formers in 1,4-butanediol Chemistry; Metallurgy 18 Expired
US6455850B1 On-site analyzer having spark emission spectrometer with even-wearing electrodes Physics 14 Expired
US9322773B2 Optical sensing device for fluid sensing and methods therefor Physics 13 Active
US4521531A Catalyst for anthraquinone hydrogen peroxide process Performing Operations; Transporting 7 Expired
US10241095B2 Multi-component gas and vapor monitoring sensor Physics 7 Active
US7689492B2 Products, systems and methods for scale-in principal protection Physics 6 Active
US4257961A Purification of tetrahydrofuran Chemistry; Metallurgy 4 Expired
US7057156B2 System and method for integrated sensing and control of industrial processes Physics 4 Expired
US7689491B2 Systems and methods for portable alpha-plus fixed income products Physics 4 Active
US10054483B1 Micromirror spectrophotometer assembly Physics 2 Active
US7685047B2 Portable alpha-plus products having a private equity component Physics 2 Active
US11307148B2 Sensor system for multi-component fluids Physics 1 Active
US11209351B2 Inferential fluid condition sensor and method thereof Physics 1 Active
US11237140B2 Multi-component gas and vapor monitoring sensor Physics 1 Active
US12117431B2 Multi-component gas and vapor monitoring sensor Physics 0 Active
US11579095B2 Sensor system for multi-component fluids Physics 0 Active
US7157536B2 Coating composition for ambient cure containing an alkoxylated amine Chemistry; Metallurgy 0 Expired
US9851295B2 Optical devices for fluid sensing and methods therefor Physics 0 Active
US11700058B2 System for wireless communication using germicidal light frequencies Electricity 0 Active

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