Eindhoven, Netherlands

Louis E Vrenken

This inventor holds 3 USPTO granted patents. Top assignee: U.S. Philips Corporation. Active years: 1977-1982.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Louis E Vrenken. Retrieved from https://idiyas.com/inventor/louis-e-vrenken

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Calculating rank

% Patents Active = 100.0

Average Co-Inventor Count = 2.8

ph-index = 3

Forward Citations = 39(Granted Patents)


Company Filing History:


Years Active: 1977-1982

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3 patents (USPTO):Explore Patents

Title: Louis E Vrenken: Innovator in Lighting Technology

Introduction

Louis E Vrenken is a notable inventor based in Eindhoven, Netherlands. He has made significant contributions to the field of lighting technology, particularly through his innovative designs of low-pressure mercury vapor discharge lamps. With a total of 3 patents to his name, Vrenken's work has had a lasting impact on the industry.

Latest Patents

Vrenken's latest patents include advancements in low-pressure mercury vapor discharge lamps. One of his patents describes lamps that are equipped with a luminescent layer and have a relatively high power consumption. These lamps are designed to be loaded by at least 500 W per m² of the luminescent layer's surface area. In some embodiments, the lamps have a nominal length ranging from 60 to 150 cm and consume a nominal power of 0.25 to 0.50 W per cm of the discharge tube's length. Another patent focuses on a low-pressure mercury vapor discharge lamp featuring an internal transmissive starting strip composed of two separate parts. The separation between these parts is bridged by a narrow straight or helix-shaped conductive connecting strip, which adjusts the total resistance of the starting strip to a value between 50,000 and 150,000 ohms.

Career Highlights

Louis E Vrenken is associated with U.S. Philips Corporation, where he has been instrumental in developing innovative lighting solutions. His work has not only advanced the technology but has also contributed to the company's reputation as a leader in the lighting industry.

Collaborations

Throughout his career, Vrenken has collaborated with notable colleagues, including Pieter Hendrik Broerse and Robert C Peters. These collaborations have fostered a creative environment that has led to significant advancements in lighting technology.

Conclusion

Louis E Vrenken's contributions to the field of lighting technology through his patents and collaborations highlight his role as an influential inventor. His work continues to shape the future of lighting solutions.

Profile summary based on public USPTO records.
Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]
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