Company Filing History:
10 out of 14,087 
1 out of 21,402 
Years Active: 1977-2003
Title: The Innovations of Jean J Heuvelmans
Introduction
Jean J Heuvelmans is a notable inventor based in Eindhoven, Netherlands. He has made significant contributions to the field of lighting technology, holding a total of 11 patents. His work primarily focuses on the development of advanced discharge lamps, which have applications in various lighting arrangements.
Latest Patents
One of Heuvelmans' latest patents is for a discharged lamp with multiple electron emissive electrode bodies. This innovative lighting arrangement includes a low-pressure discharge lamp and a high-frequency ballast designed for cold-igniting and operating the lamp. The electrodes in this lamp consist of two or more double-spiral tungsten electrode bodies covered with an emitter, resulting in high switching performance. Another significant patent is for a low-pressure discharge lamp with a filament having a protective coating. In this design, at least one of the electrodes features a coil made of refractory metal, which is electrically connected to current supply conductors extending outside the discharge vessel. The coil is coated with an electron-emitting material, while its end portions are covered with a protective material primarily composed of calcium and/or magnesium oxides.
Career Highlights
Heuvelmans has worked with prominent companies in the lighting industry, including U.S. Philips Corporation and Koninklijke Philips Corporation N.V. His experience in these organizations has allowed him to develop and refine his innovative ideas in lighting technology.
Collaborations
Throughout his career, Heuvelmans has collaborated with notable colleagues such as Franciscus A Ligthart and Hendricus Franciscus Van Tongeren. These collaborations have contributed to the advancement of his inventions and the overall progress in the field of lighting.
Conclusion
Jean J Heuvelmans is a distinguished inventor whose work in lighting technology has led to numerous patents and innovations. His contributions continue to influence the industry and enhance the performance of lighting solutions.