Osram Sylvania Inc.

Alexander N Kasak

Heinz W Sell

Alan Lenef

Raymond T Fleming

Jason J Li

Richard C Laird

Michael Willacker

Victor Cordero Cabrales

A base-up incandescent lamp () includes a coiled-coil filament () that has a primary wire () and a secondary wire (), the primary wire () comprising an overwind that overlies the secondary wire () and provides a lower filament temperature and, therefore, less filament sag and a concomitant longer lamp life.

Lamp filament

A high output halogen lamp having five filament segments with four segments in a circular arrangement surrounding a fifth segment positioned directly in the center of the lamp axis which contributes to the high output and a more uniform light distribution.

Multi-segment filament high output halogen lamp

Growing community of inventors

Marcellus, NY, United States of America

Alexander N Kasak