Inventor · Austin, TX, US

Daniel R. Mitchell

25Patents
7h-index
26Co-inventors
69Inventor score

Filing activity: Jan 22, 1991 → Aug 26, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US5525113A Open top swing & control Emerging Cross-Sectional Technologies 69 Expired
US6339304B1 Swing control for altering power to drive motor after each swing cycle Human Necessities 36 Expired
USD368816S Open top frame for a child's swing General 33 Expired
US8113689B2 Non-lethal projectile for disorienting adversaries Emerging Cross-Sectional Technologies 19 Active
US6193224A Swing drive mechanism for child's swing Human Necessities 17 Expired
US7803322B2 Universal optical imaging and processing system Physics 16 Active
US8450131B2 Imprinted semiconductor multiplex detection array Emerging Cross-Sectional Technologies 7 Active
US9434875B1 Electrically-conductive proppant and methods for making and using same Emerging Cross-Sectional Technologies 6 Active
USD336994S Baby exerciser General 6 Expired
US10386351B2 Methods for detecting and quantifying analytes using gas species diffusion Physics 5 Active
US9828696B2 Method for assembly of analyte filter arrays using biomolecules Performing Operations; Transporting 4 Active
US9768162B2 Imprinted semiconductor multiplex detection array Emerging Cross-Sectional Technologies 4 Active
US10301536B2 Electrically-conductive proppant and methods for making and using same Chemistry; Metallurgy 3 Active
US9252175B2 Method for assembly of spectroscopic filter arrays using biomolecules Electricity 2 Active
US11131615B2 Sensor and methods for detecting and quantifying ions and molecules Physics 2 Active
US10386365B2 Methods for detecting and quantifying analytes using ionic species diffusion Physics 2 Active
US8878114B2 Apparatus and methods for locating source of and analyzing electromagnetic radiation Physics 1 Active
US10267134B2 Methods and systems for determining subterranean fracture closure Fixed Constructions 1 Active
US10752831B2 Catalytic proppant and methods for making and using same Fixed Constructions 1 Active
US11624023B2 Catalyst particles and methods for making same Fixed Constructions 0 Active
US11988662B2 Methods for detecting and quantifying gas species analytes using differential gas species diffusion Physics 0 Active
US10550494B2 Method for assembly of analyte filter arrays using biomolecules Performing Operations; Transporting 0 Active
US10167422B2 Electrically-conductive proppant and methods for detecting, locating and characterizing the electrically-conductive proppant Emerging Cross-Sectional Technologies 0 Active
US11892386B2 Sensor and methods for detecting and quantifying ions and molecules Physics 0 Active
US9335398B2 Apparatus and methods for locating source of and analyzing electromagnetic radiation Physics 0 Active

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