Inventor · Glendale, AZ, US

Todd K. Roper

32Patents
7h-index
19Co-inventors
66Inventor score

Filing activity: Dec 23, 1982 → Feb 1, 2023

Most-cited inventions

PatentTitleAreaCited byStatus
US4545583A Electronic gun and target apparatus and method Mechanical Engineering; Lighting; Heating 80 Expired
US5170252A System and method for interconnecting and mixing multiple audio and video data streams associated with multiple media devices Electricity 56 Expired
US9618137B2 Detection of a plunger position in an irrigation control device Emerging Cross-Sectional Technologies 14 Active
US9907874B2 Air ionization systems and methods Emerging Cross-Sectional Technologies 11 Active
US9908082B2 Air ionization system Emerging Cross-Sectional Technologies 11 Active
US9908081B2 Air ionization methods Mechanical Engineering; Lighting; Heating 11 Active
US9693510B2 Voltage compensation in an irrigation control device Emerging Cross-Sectional Technologies 7 Active
US9341391B2 Automatically controlled flow-through water heater system Mechanical Engineering; Lighting; Heating 6 Active
US9964231B2 Detection of a plunger position in an irrigation control device Emerging Cross-Sectional Technologies 6 Active
US10363522B2 Air ionization systems and methods Mechanical Engineering; Lighting; Heating 5 Active
US10302220B2 Detection of a plunger position in an irrigation control device Emerging Cross-Sectional Technologies 5 Active
US10350541B2 Air ionization systems and components Mechanical Engineering; Lighting; Heating 4 Active
US11268376B1 Downhole safety switch and communication protocol Electricity 4 Active
US11170597B2 Intelligent integrated locking devices and systems Physics 4 Active
US10357586B2 Air ionization systems and methods Emerging Cross-Sectional Technologies 3 Active
US11619119B1 Downhole gun tube extension Fixed Constructions 3 Active
US10406476B2 Air ionization systems and components Mechanical Engineering; Lighting; Heating 3 Active
US10363332B2 Air ionization system Emerging Cross-Sectional Technologies 3 Active
US9310327B2 Toroidal conductivity probe with integrated circuitry Physics 3 Active
US11007478B2 Air ionization system and device Mechanical Engineering; Lighting; Heating 2 Active
US11331622B2 Air ionization systems and components Mechanical Engineering; Lighting; Heating 2 Active
US10677375B2 Detection of a plunger position in an irrigation control device Emerging Cross-Sectional Technologies 2 Active
US10609877B2 Voltage compensation in an irrigation control device Emerging Cross-Sectional Technologies 2 Active
US11577195B2 Air ionization systems and components Mechanical Engineering; Lighting; Heating 2 Active
US11580807B2 Intelligent integrated locking devices and systems Physics 0 Active

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