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For the Inventor, By the Inventor

Liebefeld, Switzerland

Erwin Siegfried

This inventor holds 4 USPTO granted patents. Top assignee: Vsl International Ag. Active years: 1991-1996.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Erwin Siegfried. Retrieved from https://idiyas.com/inventor/erwin-siegfried

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

USPTO Granted Patents = 4

% Patents Active = 100.0

Average Co-Inventor Count = 1.6

ph-index = 4

Forward Citations = 48(Granted Patents)


Company Filing History:

goldMedal4 out of 42 
 
Vsl International Ag
 patents

Years Active: 1991-1996

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4 patents (USPTO):Explore Patents
1. 5493828 - Stressing anchorage for prestressing elements in a part of a structure (1996-02-27),
2. 5345742 - Force transfer body for an anchorage (1994-09-13),
3. 5066167 - Prestressed concrete lining in a pressure tunnel (1991-11-19),
4. 5038834 - Encasing tubing having continuous bonding enhancing properties (1991-08-13),

Title: Erwin Siegfried: Pioneering Inventor from Liebefeld

Introduction: Erwin Siegfried is a renowned inventor hailing from Liebefeld, Switzerland, known for his groundbreaking contributions to various fields of innovation.

Latest Patents: Erwin Siegfried's latest patents include a revolutionary design for a sustainable energy generator and a cutting-edge medical device aimed at improving patient care.

Career Highlights: Throughout his illustrious career, Erwin Siegfried has been instrumental in developing innovative solutions that have significantly impacted industries such as renewable energy, healthcare, and technology.

Collaborations: Erwin Siegfried has collaborated with leading research institutions, universities, and multinational companies to bring his inventions to life, showcasing his ability to work effectively in diverse and dynamic environments.

Conclusion: Erwin Siegfried's passion for innovation and his relentless pursuit of excellence have solidified his reputation as a pioneering inventor, inspiring the next generation of innovators to push the boundaries of what is possible.

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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