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For the Inventor, By the Inventor

Delémont, Switzerland

Hansruedi Spiess

This inventor holds 9 USPTO granted patents. Top assignee: Von Roll Ag. Active years: 1989-1994.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hansruedi Spiess. Retrieved from https://idiyas.com/inventor/hansruedi-spiess

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

USPTO Granted Patents = 9

% Patents Active = 100.0

Average Co-Inventor Count = 2.0

ph-index = 7

Forward Citations = 118(Granted Patents)


Company Filing History:

goldMedal9 out of 65 
 
Von Roll Ag
 patents

Years Active: 1989-1994

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9 patents (USPTO):Explore Patents
1. 5340232 - Manhole cover (1994-08-23),
2. 5160213 - Covering for a ground opening (1992-11-03),
3. 5071177 - Locking device for the positive holding of a cover or grate in a frame (1991-12-10),
4. 5056955 - Locking device for coverings for manholes and other ground openings (1991-10-15),
5. 4952094 - Ground water drain (1990-08-28),
6. 4925337 - Manhole covering (1990-05-15),
7. 4909664 - Arrangement for draining liquid collecting on a ground surface (1990-03-20),
8. 4904120 - Frame for forming coverings on ground openings (1990-02-27),
9. 4873795 - Covering for a ground opening (1989-10-17),

Title: Innovations by Hansruedi Spiess: Leading the Way in Manhole Cover Technology

Introduction

Hansruedi Spiess, an accomplished inventor based in Delemont, Switzerland, has made significant contributions to the field of invention, holding a total of nine patents. His innovative designs focus on improving functionality and safety in various applications, with his latest invention specifically addressing the needs in ground opening cover technology.

Latest Patents

One of Hansruedi Spiess's most recent patents is a sophisticated manhole cover designed as a covering for a ground opening. This innovative cover features a frame that allows the cover to be securely inserted, incorporating a recess for a retaining web that is molded onto the edge of the cover. Notably, the frame includes a niche with a sloping bearing surface, positioned away from the recess. When the cover is closed, a supporting wall on the cam at the edge of the cover rests on the bearing surface of the frame. This design ensures that when the cover is closed, it moves towards the recess, achieving a locked position. This mechanism allows the cover to be held firmly in the frame without any clearance, enhancing safety and stability.

Career Highlights

Hansruedi Spiess has been instrumental in developing innovative solutions during his tenure at Von Roll AG, a company known for its commitment to quality and innovation in manufacturing. His work has not only advanced the practicality of covering ground openings but has also set a standard for other inventors and companies in the industry.

Collaborations

In his inventive journey, Hansruedi collaborates closely with his colleague, Francois Galvanetto. Together, they have fostered an environment of creativity and shared expertise, significantly enhancing the innovation process at Von Roll AG.

Conclusion

Hansruedi Spiess exemplifies the spirit of innovation through his dedicated work and patent accomplishments. His current focus on manhole cover technology showcases not only his inventive prowess but also his commitment to enhancing safety and functionality in everyday applications. His contributions affirm his status as a leading inventor in Switzerland and pave the way for future advancements in the field.

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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