Patent assignee · US · COMPANY

Advanced Lighting Technologies, Inc.

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36Patents
5Active
36Granted
37Portfolio score

Filing activity: Sep 1, 1994 → Jun 28, 2010 · 5 expiring within 5 years

Most-cited patents

PatentTitleAreaCited byStatus
US6072286A Auxiliary lighting control circuit and method for a HID lamp lighting system Electricity 12 Expired
USD403100S Lampholder assembly with integral ballast for a standing lamp General 10 Expired
US5882237A Fluorescent lamp containing a mercury zinc amalgam and a method of manufacture Electricity 9 Expired
US6554456B1 Efficient directional lighting system Mechanical Engineering; Lighting; Heating 9 Expired
US6857926B1 Method of making arc tubes Electricity 8 Expired
US6674249B1 Resistively ballasted gaseous discharge lamp circuit and method Emerging Cross-Sectional Technologies 8 Expired
US6022125A Combination metal halide and auxiliary bulb lamp Mechanical Engineering; Lighting; Heating 6 Expired
US5924787A Metal halide lamps and method of manufacture Mechanical Engineering; Lighting; Heating 6 Expired
US5896013A Operating circuit for an inductively ballasted arc discharge lamp Emerging Cross-Sectional Technologies 5 Expired
US6612892B1 High intensity discharge lamps, arc tubes and methods of manufacture Electricity 5 Expired
US6791254B2 Fluorescent lamp containing a mercury zinc amalgam and a method of manufacture Electricity 5 Expired
US6339287B1 Fluorescent lamp containing a mercury zinc amalgam and a method of manufacture Electricity 4 Expired
US5972442A Strengthening agent, strengthened metal halide particles, and improved lamp fill material Emerging Cross-Sectional Technologies 4 Expired
US6271635A Dimming system and method for magnetically ballasted gaseous discharge lamps Emerging Cross-Sectional Technologies 3 Expired
US6517404B1 High intensity discharge lamps, arc tubes and methods of manufacture Electricity 3 Expired
US7057335B2 Barrier coatings and methods in discharge lamps Electricity 2 Expired
US6781312B1 Horizontal burning hid lamps and arc tubes Electricity 2 Expired
US6910932B2 Solid mercury releasing material and method of dosing mercury into discharge lamps Electricity 2 Expired
US6897609B2 Plasma lamp and method Electricity 2 Expired
US6791280B2 System and method for generating a discharge in high pressure gases Electricity 1 Expired
US6833676B2 Solid lamp fill material and method of dosing HID lamps Electricity 1 Expired
US7153179B2 Oxidation-protected metallic foil and method Electricity 1 Expired
US8277274B2 Apparatus and methods for use of refractory abhesives in protection of metallic foils and leads Electricity 1 Active
US6661175B2 Solid lamp fill material and method of dosing hid lamps Electricity 1 Expired
US7187111B1 System and method for supporting ARC tubes in HID lamps Electricity 1 Expired

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