Company Filing History:
4 out of 14,087 
1 out of 21,376 
Years Active: 1989-2002
Title: Innovations by Antonius J Spaapen: A Glimpse into His Patents and Career
Introduction
Antonius J Spaapen, an innovative inventor based in Roosendaal, Netherlands, has made significant contributions to the field of electric lighting. With a total of five patents to his name, Spaapen's work primarily focuses on developing advanced lamp technologies that enhance efficiency and functionality.
Latest Patents
Among his latest innovations are the "Capped Electric Lamp" and the "Low-Pressure Mercury-Vapor Discharge Lamp." The capped electric lamp introduces a novel design featuring a lamp cap secured to a light-transmitting vessel, which houses an electric element. A unique aspect of this design is the projecting contact pin, with a specialized indentation that facilitates the connection of the electric conductor without extending beyond the defined boundary. The indentation includes a pinch portion, which deepens at a specific angle, ranging from 25° to 45°, enhancing the integrity of the conductor's placement.
Additionally, his method for manufacturing a low-pressure mercury discharge lamp involves positioning a glass capsule containing mercury within a radiation-transmitting discharge vessel. After the vessel is closed and filled with a rare gas, the capsule is opened through fusion, utilizing directed radiation to initiate the discharge. This method highlights Spaapen's innovative approach to lamp production, showcasing his expertise in both electrical and materials engineering.
Career Highlights
Antonius J Spaapen has worked with prominent companies in the industry, including U.S. Philips Corporation and Koninklijke Philips Corporation N.V. His tenure at these organizations has allowed him to apply his inventive skills to real-world applications, contributing significantly to advancements in lighting technologies.
Collaborations
Throughout his career, Spaapen has collaborated with notable figures, including Frans J Traksel and Cornelis J Van Den Broek. These partnerships have facilitated the exchange of ideas and fostered an environment of creativity, leading to groundbreaking innovations in the fields of electric lamps and discharge lighting.
Conclusion
Antonius J Spaapen's contributions to the world of electric lighting through his innovative patents emphasize his expertise and commitment to advancing technology. His collaborations and experiences with leading companies showcase the importance of collaboration and innovation in driving progress within the industry. As a key figure in lamp technology, Spaapen's inventions continue to illuminate the path for future advancements.