Inventor · Indian Head Park, IL, US

David E. Doubek

17Patents
7h-index
20Co-inventors
66Inventor score

Filing activity: Feb 3, 1998 → Mar 7, 2024

Most-cited inventions

PatentTitleAreaCited byStatus
US6082878A Fully rotatable recessed light fixture with movable stop and adjustable length bar hanger Mechanical Engineering; Lighting; Heating 215 Expired
US6431723B1 Recessed lighting fixture Mechanical Engineering; Lighting; Heating 111 Expired
US6505960B2 Recessed lighting fixture locking assembly Mechanical Engineering; Lighting; Heating 100 Expired
US6652124B2 Lamp-independent adjustable recessed light fixture Mechanical Engineering; Lighting; Heating 46 Expired
US7748868B2 Recessed luminaire Mechanical Engineering; Lighting; Heating 18 Active
US9239149B2 Recessed luminaire Mechanical Engineering; Lighting; Heating 12 Active
US8022641B2 Recessed LED down light Emerging Cross-Sectional Technologies 12 Active
US9388969B2 Lighting system for an architectural surface structure Mechanical Engineering; Lighting; Heating 7 Active
US8109659B2 Lighting fixture for an architectural surface structure Mechanical Engineering; Lighting; Heating 6 Active
US8100565B2 Recessed luminaire Mechanical Engineering; Lighting; Heating 4 Active
US8777459B2 Recessed luminaire Mechanical Engineering; Lighting; Heating 4 Active
US8408758B2 Recessed luminaire Mechanical Engineering; Lighting; Heating 1 Active
US12209728B2 Lighting devices for ceiling grids Mechanical Engineering; Lighting; Heating 0 Active
US12313875B2 Undercabinet lighting devices and methods for installing the same Mechanical Engineering; Lighting; Heating 0 Active
US11808431B2 Lighting devices for ceiling grids Mechanical Engineering; Lighting; Heating 0 Active
US12404978B2 Lighting devices and methods for installing and repairing the same Mechanical Engineering; Lighting; Heating 0 Active
US11927797B2 Undercabinet lighting devices and methods for installing the same Mechanical Engineering; Lighting; Heating 0 Active

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