Krefeld, Germany

Ingo Von Hagen

This inventor holds 20 USPTO granted patents, primarily in Steel Manufacturing. Top assignees: Mannesmann Aktiengesellschaft, Mannesmannufer Aktiengesellschaft, Sms Demag Ag. Active years: 1986-2002.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Ingo Von Hagen. Retrieved from https://idiyas.com/inventor/ingo-von-hagen

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


% Patents Active = 90.0

Average Co-Inventor Count = 4.0

ph-index = 5

Forward Citations = 69(Granted Patents)


Company Filing History:


Years Active: 1986-2002

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Areas of Expertise:
Round Billets
Thin Metal Bars
Metallic Composite Materials
High-Temperature Steel
Structural Tubes
Seamless Pressure Vessels
Weldable Steel
Hydrogen Sulfide Resistance
Steel Reinforcement
Casting Vessels
Sheet Metal Strips
20 patents (USPTO):Explore Patents

Title: The Innovative Contributions of Ingo von Hagen

Introduction: Ingo von Hagen, an accomplished inventor based in Krefeld, Germany, has made significant strides in the field of engineering and materials science. With a portfolio of 20 patents, he is recognized for developing innovative solutions that enhance production processes and improve material integrity, particularly in the steel industry.

Latest Patents: Among von Hagen's recent patents, two stand out for their practical applications and technological advancements. The first is a method of producing round billets, which details a process and device for the continuous casting of billets using a vertical round strand-casting machine. This invention encompasses advanced descaling mechanisms and temperature control to ensure optimal quality during the production of round billets with diameters ranging from 90 to 300 mm. The second significant patent is for a pipe with a crack stopper feature. This invention incorporates a protective sheath and a specialized bandage made of high-strength fiber materials, designed to prevent the propagation of cracks in steel pipes, thereby enhancing their safety and longevity.

Career Highlights: Throughout his career, Ingo von Hagen has been associated with prominent companies, including Mannesmann Aktiengesellschaft and SMS Demag AG. His expertise has contributed to advancements in manufacturing processes and material engineering, reinforcing his standing as a leading inventor in the industry.

Collaborations: Von Hagen's successful projects also stem from collaborations with skilled professionals such as Fritz-Peter Pleschiutschnigg and Tarek El Gammal. These partnerships have played a crucial role in refining ideas and bringing innovative concepts to fruition, demonstrating the power of teamwork in the advancement of technology.

Conclusion: Ingo von Hagen's contributions to the field of engineering and his extensive patent portfolio underscore his status as a prominent inventor. His dedication to innovation continues to drive advancements in steel production and pipeline protection, solidifying his legacy as a key figure in these industries. As technology evolves, von Hagen's inventions will undoubtedly play a pivotal role in shaping future developments.

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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