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For the Inventor, By the Inventor

Eindhoven, Netherlands

Winand H Friederichs

This inventor holds 11 USPTO granted patents. Top assignee: U.S. Philips Corporation. Active years: 1991-1998.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Winand H Friederichs. Retrieved from https://idiyas.com/inventor/winand-h-friederichs

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

USPTO Granted Patents = 11

% Patents Active = 100.0

Average Co-Inventor Count = 1.5

ph-index = 5

Forward Citations = 67(Granted Patents)


Company Filing History:

goldMedal11 out of 14,087 
 
U.S. Philips Corporation
 patents

Years Active: 1991-1998

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11 patents (USPTO):Explore Patents
1. 5760537 - Capped electric lamp (1998-06-02),
2. 5726525 - Electric reflector lamp (1998-03-10),
3. 5646473 - Electric reflector lamp (1997-07-08),
4. 5572083 - Electroless low-pressure discharge lamp (1996-11-05),
5. 5565736 - Discharge lamp provided with a bimetal switch, and bimetal switch (1996-10-15),
6. 5367219 - Electric reflector lamp for use with IEC standard (1994-11-22),
7. 5291091 - Electrodeless low-pressure discharge (1994-03-01),
8. 5258683 - Electrodeless low-pressure discharge lamp (1993-11-02),
9. 5211472 - Electric lamp and dismantling tool for same (1993-05-18),
10. 5130912 - Electrodeless low-pressure discharge lamp (1992-07-14),
11. 4999538 - Electric lamp including one-piece contact elements (1991-03-12),

Title: Winand H Friederichs: Innovator in Electric Lamp Technology

Introduction

Winand H Friederichs is a notable inventor based in Eindhoven, Netherlands. He has made significant contributions to the field of electric lamp technology, holding a total of 11 patents. His innovative designs have paved the way for advancements in lighting solutions.

Latest Patents

Among his latest patents is the "Capped Electric Lamp," which features a cap made of insulating material. This cap includes concentric contact faces separated by a circumferential channel. The design incorporates a first axial portion near the base with a circumferential groove and a diameter smaller than that of a second axial portion. Additionally, a third narrowest axial portion may be present adjacent to the base, along with a fourth axial portion that has an intermediate diameter. This capped lamp is designed to be mounted in an electrically safe, slim push-in/push-out lampholder. Another significant patent is the "Electric Reflector Lamp," which includes a reflecting surface and a neck. This lamp accommodates a light source with a glass lamp vessel featuring a pinch seal located in the neck. A mounting plate is present on the pinch seal, which serves as the bottom of a bush extending axially towards the reflecting surface, capped by a transversely extending rim.

Career Highlights

Winand H Friederichs has had a distinguished career at U.S. Philips Corporation, where he has been instrumental in developing innovative lighting technologies. His work has significantly impacted the industry, leading to more efficient and effective lighting solutions.

Collaborations

Throughout his career, Friederichs has collaborated with notable colleagues, including Hendrik Jan Eggink and Nicasius G Van Gennip. These collaborations have fostered a creative environment that has led to numerous advancements in electric lamp technology.

Conclusion

Winand H Friederichs stands out as a key figure in the innovation of electric lamps, with a strong portfolio of patents that reflect his expertise and creativity. His contributions continue to influence the lighting industry today.

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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