Harald Gruendl

This inventor holds 20 USPTO granted patents and 1 published patent application and 2 EPO patents, primarily in Lighting Technology. Top assignees: Zumtobel Lighting Gmbh, Dedon Gmbh, Eoos Design Gmbh. Active years: 2009-2026.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Harald Gruendl. Retrieved from https://idiyas.com/inventor/harald-gruendl

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

Calculating rank

USPTO Granted Patents = 20 (Patent Applications = 1)

% Patents Active = 100.0

EPO Patents = 2 (Patent Applications = 2)

Average Co-Inventor Count = 3.1

ph-index = 8

Forward Citations = 189(Granted Patents)

Company Filing History:

10 out of 212

Zumtobel Lighting Gmbh

Walter Knoll Ag & Co. Kg

patents

Years Active: 2009-2026

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Areas of Expertise:

Vacuum Toilet

Luminaire

Spotlight

Separating Toilet

Chair Design

Connecting Device

Lighting Fixtures

Table Leg Connection

Innovative Toilets

Furniture Design

Interior Lighting

Sustainable Solutions

20 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12571196 - Vacuum toilet and tank therefor (2026-03-10),

2. D1013924 - Spotlight (2024-02-06),

3. D1006286 - Spotlight (2023-11-28),

4. D1006283 - Luminaire (2023-11-28),

5. 11536015 - Separating toilet (2022-12-27),

6. D938090 - Luminaire (2021-12-07),

7. D884242 - Luminaire (2020-05-12),

8. D870340 - Luminaire (2019-12-17),

9. D869729 - Luminaire (2019-12-10),

10. D869728 - Luminaire (2019-12-10),

11. D869727 - Luminaire (2019-12-10),

12. D866845 - Luminaire (2019-11-12),

13. 10104956 - Connecting device for connecting a table leg to a table leaf (2018-10-23),

14. D596867 - Chair (2009-07-28),

15. D596866 - Chair (2009-07-28),

Title: Innovations by Harald Gruendl in Lighting Technology

Introduction

Harald Gruendl, a prominent inventor based in Vienna, Austria, has made significant contributions to the field of lighting technology. With an impressive portfolio of 19 patents, Gruendl showcases his creativity and technical expertise through innovative solutions and design advancements.

Latest Patents

Among his latest inventions is the “Spotlight,” which exemplifies his knack for enhancing lighting efficiency and user experience. This invention demonstrates his commitment to advancing lighting technology, ensuring that it remains both functional and aesthetically pleasing.

Career Highlights

Harald Gruendl's professional journey includes influential roles at esteemed companies such as Zumtobel Lighting GmbH and Dedon GmbH. His expertise in lighting design and technology has enabled him to refine lighting systems and contribute to various projects that push the boundaries of innovation in the industry.

Collaborations

Throughout his career, Gruendl has collaborated with talented coworkers, including Martin Bergmann and Gernot Bohmann. These partnerships have fostered creativity and enabled the development of groundbreaking solutions in the realm of lighting.

Conclusion

With a focus on innovation and a proven track record in patented designs, Harald Gruendl continues to influence the lighting industry. His contributions not only enhance functionality but also inspire future generations of inventors and designers in their pursuit of excellence.

Profile summary based on public USPTO records.