Inventor · Bourbonnais, IL, US

Gregory P. Frankiewicz

21Patents
5h-index
26Co-inventors
69Inventor score

Filing activity: Jul 31, 2001 → Aug 30, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
USD587833S1 Docklight General 26 Expired
US6545428B2 Light fixture with submersible enclosure for an electric lamp Electricity 16 Expired
US7198398B2 Adjustable-aim light pipe fixture Physics 11 Expired
US7220035B2 Compact, high-efficiency illumination system for video-imaging devices Physics 10 Expired
US7588342B2 Lighted refrigerated display case with remote light source Mechanical Engineering; Lighting; Heating 6 Expired
US8283874B2 LED lighting system having a reduced-power usage mode Electricity 5 Active
US7163329B2 Adjustable light pipe fixture Physics 5 Expired
US7334945B2 Plug-and-socket hub arrangement for mounting light pipe to receive light Physics 4 Expired
US7008071B2 Light collection system converting ultraviolet energy to visible light Physics 4 Expired
US11259377B2 Color temperature and intensity configurable lighting fixture using de-saturated color LEDs Electricity 3 Active
US8348488B2 Elongated solid luminaire with light-emitting portion with first and second extraction regions spatially divided along the longitudinal axis thereof Mechanical Engineering; Lighting; Heating 3 Active
US6942373B2 Fiberoptic lighting system with shaped collector for efficiency Physics 3 Expired
US8480276B2 Elongated lighting system Physics 3 Active
US7190863B2 Light-pipe arrangement with reduced fresnel-reflection losses Physics 2 Expired
US8870428B2 Elongated LED lighting arrangement Mechanical Engineering; Lighting; Heating 2 Active
US11118779B2 Luminaire with an integrated speaker Emerging Cross-Sectional Technologies 1 Active
US12422124B2 Multi-region optic for flat illumination and color consistency Mechanical Engineering; Lighting; Heating 0 Active
US11149938B2 Luminaire system with trim component and integrated user experience elements Emerging Cross-Sectional Technologies 0 Active
US11300721B2 Lighting apparatus having an oblong optic corresponding to multiple light sources Mechanical Engineering; Lighting; Heating 0 Active
US11536438B2 Lighting apparatus having an optic with a centered light source and an off-center light source Mechanical Engineering; Lighting; Heating 0 Active
US11268690B2 Luminaire system with integrated, dynamic audio visual control Emerging Cross-Sectional Technologies 0 Active

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