Inventor · Lévis, QC, CA

Denis Dufour

12Patents
7h-index
7Co-inventors
59Inventor score

Filing activity: Nov 27, 1990 → Jan 28, 2021

Most-cited inventions

PatentTitleAreaCited byStatus
US5141580A Connection component for together plastic elements by thermal welding Performing Operations; Transporting 34 Expired
US5182440A Process and connection component using an electrical resistor for the welding of plastic elements Performing Operations; Transporting 30 Expired
US5410131A Welding connection assembly for heat-fusing plastic tubes Performing Operations; Transporting 22 Expired
US8288727B2 Apparatus and method for rapid and accurate quantification of an unknown, complex mix Physics 19 Active
US5369248A Electro-weldable connecting piece having connection terminals and its method of manufacture Performing Operations; Transporting 12 Expired
US9918661B2 Alveolar breath collection apparatus Physics 11 Active
US6909842B2 Instantaneous compact fluid heater Mechanical Engineering; Lighting; Heating 8 Expired
US11499916B2 Spectroscopy system and method of performing spectroscopy Physics 0 Active
US11035789B2 Cavity ring-down spectroscopy system and method of modulating a light beam therein Physics 0 Active
US9933400B1 Apparatus for imaging through a viscous substance Physics 0 Active
US11506601B2 Resonant cavity system Physics 0 Active
US10921246B2 Method of tuning a resonant cavity, and cavity ring-down spectroscopy system Physics 0 Active

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