Fribourg, Switzerland

Karl Peternell

This inventor holds 3 USPTO granted patents. Top assignees: Ilford Imaging Switzerland Gmbh, Hewlett-Packard Development Company, L.p.. Active years: 2002-2011.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Karl Peternell. Retrieved from https://idiyas.com/inventor/karl-peternell

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

Calculating rank

% Patents Active = 33.3

Average Co-Inventor Count = 2.9

ph-index = 2

Forward Citations = 9(Granted Patents)


Location History:

  • Freiburg, CH (2003)
  • Fribourg, CH (2002 - 2011)

Company Filing History:


Years Active: 2002-2011

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3 patents (USPTO):Explore Patents

Title: The Innovations of Karl Peternell

Introduction

Karl Peternell is a notable inventor based in Fribourg, Switzerland. He has made significant contributions to the field of ink jet technology, holding a total of 3 patents. His work has focused on enhancing the quality and efficiency of ink jet recording sheets.

Latest Patents

One of his latest patents is for an ink jet recording sheet with photoparity. This innovative recording sheet is designed to deliver a photoparity image when printed with an ink jet printer. It features a two-layer coating, where the bottom layer consists of amorphous silica and the top layer is made of spherical colloidal silica. Both layers are rendered cationic, which contributes to the sheet's fast dry time, excellent image quality, and superior water resistance and handleability. Another patent he holds is for recording sheets specifically designed for ink jet printing.

Career Highlights

Throughout his career, Karl Peternell has worked with prominent companies in the imaging and technology sectors. Notably, he has been associated with Ilford Imaging Switzerland GmbH and Hewlett-Packard Development Company, L.P. His experience in these organizations has allowed him to refine his expertise in ink jet technology.

Collaborations

Karl has collaborated with several talented individuals in his field, including Rolf Steiger and Yubai Bi. These collaborations have likely contributed to the innovative advancements in his patents.

Conclusion

Karl Peternell's contributions to ink jet technology through his patents demonstrate his commitment to innovation and quality. His work continues to influence the industry, making significant strides in the development of high-performance recording sheets.

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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