Patent assignee · US · COMPANY

Express Imaging Systems, LLC

65Patents
65Active
65Granted
59Portfolio score

Filing activity: May 7, 2009 → May 17, 2023 · 7 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US8334640B2 Turbulent flow cooling for electronic ballast Mechanical Engineering; Lighting; Heating 110 Active
US8901825B2 Apparatus and method of energy efficient illumination using received signals Emerging Cross-Sectional Technologies 83 Active
US8118456B2 Low-profile pathway illumination system Mechanical Engineering; Lighting; Heating 53 Active
US8508137B2 Apparatus and method of energy efficient illumination Emerging Cross-Sectional Technologies 42 Active
US9204523B2 Remotely adjustable solid-state lamp Emerging Cross-Sectional Technologies 42 Active
US8378563B2 Apparatus, method to change light source color temperature with reduced optical filtering losses Electricity 34 Active
US9445485B2 Detection and correction of faulty photo controls in outdoor luminaires Emerging Cross-Sectional Technologies 32 Active
US8922124B2 Adjustable output solid-state lamp with security features Emerging Cross-Sectional Technologies 32 Active
US9210759B2 Luminaire with ambient sensing and autonomous control capabilities Emerging Cross-Sectional Technologies 32 Active
US8896215B2 Apparatus and method for schedule based operation of a luminaire Emerging Cross-Sectional Technologies 31 Active
US8872964B2 Long-range motion detection for illumination control Emerging Cross-Sectional Technologies 31 Active
US8926139B2 Gas-discharge lamp replacement with passive cooling Emerging Cross-Sectional Technologies 30 Active
US8878440B2 Luminaire with atmospheric electrical activity detection and visual alert capabilities Emerging Cross-Sectional Technologies 29 Active
US8610358B2 Electrostatic discharge protection for luminaire Emerging Cross-Sectional Technologies 28 Active
US8541950B2 Apparatus and method of energy efficient illumination Emerging Cross-Sectional Technologies 27 Active
US8810138B2 Apparatus and method of energy efficient illumination Emerging Cross-Sectional Technologies 27 Active
US9713228B2 Apparatus and method of energy efficient illumination using received signals Emerging Cross-Sectional Technologies 26 Active
US9924582B2 Luminaire dimming module uses 3 contact NEMA photocontrol socket Electricity 26 Active
US8926138B2 Gas-discharge lamp replacement Emerging Cross-Sectional Technologies 25 Active
US8629621B2 Resonant network for reduction of flicker perception in solid state lighting systems Emerging Cross-Sectional Technologies 24 Active
US9210751B2 Solid state lighting, drive circuit and method of driving same Emerging Cross-Sectional Technologies 21 Active
US9312451B2 Apparatus, method to enhance color contrast in phosphor-based solid state lights Physics 20 Active
US8987992B2 Apparatus and method of energy efficient illumination Emerging Cross-Sectional Technologies 20 Active
US9414449B2 High efficiency power controller for luminaire Electricity 19 Active
US9185777B2 Ambient light control in solid state lamps and luminaires Emerging Cross-Sectional Technologies 18 Active

Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.