Gundelfingen, Germany

Harald Hettich

This inventor holds 1 USPTO granted patent. Top assignee: Sick Ag. Active years: 1999.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Harald Hettich. Retrieved from https://idiyas.com/inventor/harald-hettich

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 = 3.0

ph-index = 1

Forward Citations = 2(Granted Patents)


Company Filing History:


Years Active: 1999

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1 patent (USPTO):Explore Patents

Title: Harald Hettich: Inventor of a Contactless Protective Device.

Introduction

Harald Hettich is an inventor associated with Gundelfingen, Germany, and SICK AG. His recorded patent work includes a protective device designed to monitor hazardous areas without physical contact.

Latest Patents

Hettich is credited with 1 patent: “Protective Device Operating Without Contact, in Particular Light Barrier.” The invention describes a protective device, such as a light-barrier grid, that uses a transmitter and/or receiver to generate or receive sensing signals for monitoring a protected area. The transmitter or receiver is housed in a pressure-tight enclosure that allows the signals to pass through. The design also includes cable feed-throughs intended to support explosion protection.

Career Highlights

The available information associates Hettich’s invention with SICK AG, a company known for sensing and safety technologies. His patent focuses on combining contactless area monitoring with a pressure-tight housing suitable for demanding environments.

Collaborations

Hettich’s listed coworkers include Karl-Heinz Suss and Michael Beck. The available details do not specify their roles in the patent or their working relationship with him.

Conclusion

Harald Hettich’s recorded contribution is a contactless protective device that brings together light-based monitoring, pressure-tight construction, and features intended to support explosion protection.

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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