Company Filing History:
3 out of 21,376 
1 out of 14,087 
Years Active: 1996-2012
Title: Innovations by Inventor Willem Van Erk
Introduction
Willem Van Erk, a notable inventor based in Eindhoven, Netherlands, has made significant contributions to the field of lighting technology. With a total of four patents to his name, his work focuses on enhancing the efficacy and performance of gas discharge lamps.
Latest Patents
Van Erk's innovative solutions include two remarkable patents. The first is a "Metal halide lamp comprising an ionisable salt filling." This invention features a ceramic discharge vessel and two electrodes, enclosing a discharge volume that contains a specific ionisable salt filling. The lamp is designed to be dimmable within a range of 50-100% of its nominal intensity while maintaining its light-technical properties and efficiency. The filling composition includes sodium iodide, thallium iodide, calcium iodide, cerium iodide, and indium iodide. Furthermore, the lamp can operate in both horizontal and vertical orientations, making it adaptable for various applications.
The second patent is for a "High-pressure gas discharge lamp," which comprises a vessel that can withstand a wall load of at least 30 W/cm during operation. The discharge space is filled with a mixture that includes mercury, argon, and halides of tin and indium, combined with an alkali metal halide. This innovative design improves resistance to corrosion and crystallization of the quartz glass wall, enhancing the lamp's durability.
Career Highlights
Throughout his career, Willem Van Erk has been associated with prestigious organizations, including Koninklijke Philips Corporation N.V. and U.S. Philips Corporation. His work in these companies has paved the way for advancements in lighting technologies, demonstrating his commitment to innovation in this sector.
Collaborations
During his professional journey, Van Erk has had the opportunity to work alongside distinguished colleagues such as Martin F. Willemsen and Paul D. Goodell. These collaborations have further contributed to the development of groundbreaking solutions in the field of gas discharge lamps.
Conclusion
Willem Van Erk stands out as a prolific inventor in the lighting industry, with his latest patents reflecting his dedication to enhancing lamp efficacy and usability. His innovative spirit, combined with extensive collaboration, continues to influence the future of lighting technology.