Vienna, Austria

Hans Hrabal

This inventor holds 7 USPTO granted patents. Top assignees: Hoerbiger Ventilwerke Aktiengesellschaft, Enfo Grundlagen Forschungs Ag, Hoerbiger Ventilwerke Aktiengesellschaf. Active years: 1980-1990.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Hans Hrabal. Retrieved from https://idiyas.com/inventor/hans-hrabal

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


% Patents Active = 100.0

Average Co-Inventor Count = 1.1

ph-index = 6

Forward Citations = 91(Granted Patents)


Company Filing History:


Years Active: 1980-1990

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7 patents (USPTO):Explore Patents

Title: The Innovative Mind of Hans Hrabal

Introduction

Hans Hrabal is a notable inventor based in Vienna, Austria. He has made significant contributions to the field of engineering, particularly with his innovative designs and patents. With a total of seven patents to his name, Hrabal has demonstrated a commitment to advancing technology and improving existing systems.

Latest Patents

Among his latest inventions is the ring valve, which features a spring-loaded valve plate that interacts with individual annular plates over the passage channels of the valve seat. This design allows for enhanced sealing and functionality. Another significant patent is his screw compressor unit, which includes a centrifugal clutch. This unit is designed to control the throughput of the screw compressor while preventing thermal overload of the drive motor. The innovative use of a centrifugal clutch allows for automatic operation, showcasing Hrabal's engineering prowess.

Career Highlights

Throughout his career, Hans Hrabal has worked with prominent companies such as Hoerbiger Ventilwerke Aktiengesellschaft and Enfo Grundlagen Forschungs AG. His experience in these organizations has contributed to his development as an inventor and has provided him with valuable insights into the industry.

Collaborations

Hrabal has collaborated with various professionals in his field, including his coworker Josef Wimmer. These partnerships have likely played a role in the successful development of his patents and innovations.

Conclusion

Hans Hrabal's contributions to engineering through his patents and innovative designs highlight his role as a significant inventor in the industry. His work continues to influence advancements in technology and engineering practices.

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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