Düsseldorf, Germany

Harry Spielvogel

This inventor holds 3 USPTO granted patents. Top assignees: Sms Schloemann-Siemag Aktiengesellschaft, Schloemann-Siemag Aktiengesellschaft. Active years: 1978-1984.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Harry Spielvogel. Retrieved from https://idiyas.com/inventor/harry-spielvogel

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 = 1.5

ph-index = 2

Forward Citations = 19(Granted Patents)


Company Filing History:


Years Active: 1978-1984

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3 patents (USPTO):Explore Patents

Title: The Innovations of Harry Spielvogel

Introduction

Harry Spielvogel is a notable inventor based in Düsseldorf, Germany. He has made significant contributions to the field of hydraulic systems, holding a total of 3 patents. His work focuses on safety control devices that enhance the reliability of hydraulically supported loads.

Latest Patents

One of his latest patents is a safety control device for protecting hydraulically supported loads. This invention features a safety circuit designed to prevent the uncontrolled descent of a hydraulically supported load in the event of a leak. The system comprises parallel hydraulic pressure feed lines, control valves, and mechanisms that respond to pressure differences between the lines. These mechanisms close the valves when a pressure difference is detected, effectively preventing both the spillage of hydraulic fluid and the descent of the supported load.

Another significant patent by Spielvogel is a safety control device for protecting hydraulically held loads against disturbances. This invention involves a hydraulic press equipped with lowering and lifting cylinders, a controlled pressure-limiting valve, and a shuttle valve. The shuttle valve connects to both the hydraulic supply and the lifting cylinders, controlling the pressure-limiting valve to maintain hydraulic equilibrium. Additional valves respond to any disturbances in the hydraulic circuit, ensuring the safe operation of the system.

Career Highlights

Throughout his career, Harry Spielvogel has worked with prominent companies in the engineering sector. Notably, he has been associated with SMS Schloemann-Siemag Aktiengesellschaft and Schloemann-Siemag Aktiengesellschaft. His experience in these organizations has contributed to his expertise in hydraulic systems and safety mechanisms.

Collaborations

Harry Spielvogel has collaborated with various professionals in his field, including his coworker Heinz Schedler. Their joint efforts have likely led to advancements in hydraulic technology and safety devices.

Conclusion

Harry Spielvogel's innovative contributions to hydraulic safety systems demonstrate his commitment to enhancing the reliability of engineering solutions. His patents reflect a deep understanding of hydraulic mechanics and a dedication to improving safety standards in the industry.

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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