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For the Inventor, By the Inventor

Gorinchem, Netherlands

Leonardus A Krol

This inventor holds 11 USPTO granted patents. Top assignee: U.S. Philips Corporation. Active years: 1987-1991.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Leonardus A Krol. Retrieved from https://idiyas.com/inventor/leonardus-a-krol

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 = 1.2

ph-index = 6

Forward Citations = 158(Granted Patents)


Location History:

  • Gorkum, NL (1987 - 1988)
  • Gorinchem, NL (1989 - 1991)
  • Gorichem, NL (1991)

Company Filing History:

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

Years Active: 1987-1991

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11 patents (USPTO):Explore Patents
1. D316455 - Torch (1991-04-23),
2. D315964 - Spotlight housing (1991-04-02),
3. D315610 - Spotlight housing (1991-03-19),
4. D312702 - Torch (1990-12-04),
5. D312508 - Torch (1990-11-27),
6. D311779 - Torch (1990-10-30),
7. D311776 - Torch (1990-10-30),
8. D302863 - Night-light (1989-08-15),
9. D297373 - Adjustable spotlight (1988-08-23),
10. D292322 - Base for a lighting fixture (1987-10-13),
11. D292026 - Lighting fixture (1987-09-22),

Title: The Innovations of Leonardus A Krol

Introduction

Leonardus A Krol is a notable inventor based in Gorinchem, Netherlands. He has made significant contributions to the field of technology, holding a total of 11 patents. His work primarily focuses on innovative solutions that enhance everyday products.

Latest Patents

Among his latest patents, Leonardus has developed a torch and a spotlight housing. These inventions showcase his ability to create practical and efficient designs that meet the needs of consumers.

Career Highlights

Leonardus A Krol is currently employed at U.S. Philips Corporation, where he continues to push the boundaries of innovation. His career has been marked by a commitment to excellence and a passion for developing cutting-edge technology.

Collaborations

Leonardus has collaborated with his coworker, Stefanus F Joosten, to further enhance their projects and drive innovation within their company.

Conclusion

Leonardus A Krol's contributions to technology through his patents and collaborations highlight his role as a significant inventor in the industry. His work continues to inspire advancements in product design and functionality.

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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