Altfraunhofen, Germany

Johann Piegendorfer

This inventor holds 5 USPTO granted patents and 1 EPO patent. Top assignees: Schott Ag, Schott Glaswerke. Active years: 1994-2013.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Johann Piegendorfer. Retrieved from https://idiyas.com/inventor/johann-piegendorfer

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 = 2.4

ph-index = 1

Forward Citations = 4(Granted Patents)


Location History:

  • Altfraunhoden, DE (2011)
  • Altfraunhofen, DE (1994 - 2013)

Company Filing History:


Years Active: 1994-2013

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5 patents (USPTO):Explore Patents

Title: Johann Piegendorfer: Innovator in Glass Rod Technology

Introduction

Johann Piegendorfer is a notable inventor from Altfraunhofen, Germany, recognized for his contributions to the field of glass rod technology. With a total of 5 patents to his name, Piegendorfer has made significant advancements in methods and apparatuses related to glass processing.

Latest Patents

One of his latest patents is an "Apparatus and method for detaching portions of glass rods." This invention aims to improve the detachment process, ensuring a very planar and uniform fracture surface. The apparatus includes a device for parallel holding and lateral fixing of glass rods, a scoring wheel holder, pressing springs, and a breaking bar, among other components. Another significant patent is the "Method and device for melting the ends of rods," which involves treating the ends of glass rods by inserting them into receptacles and carrying them past a burner. This method allows the glass rods to rotate during the melting process, enhancing the quality of the ends.

Career Highlights

Throughout his career, Johann Piegendorfer has worked with prominent companies such as Schott AG and Schott Glaswerke. His experience in these organizations has contributed to his expertise in glass technology and innovation.

Collaborations

Piegendorfer has collaborated with notable coworkers, including Martin Zöttl and Albert Stangl, who have also contributed to advancements in the field.

Conclusion

Johann Piegendorfer's innovative work in glass rod technology has led to significant improvements in manufacturing processes. His patents reflect a commitment to enhancing the quality and efficiency of glass processing techniques.

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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