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For the Inventor, By the Inventor

Rimpar, Germany

Karl Robert Schäfer

This inventor holds 15 USPTO granted patents. Top assignee: Koenig & Bauer-Aktiengesellschaft. Active years: 2001-2004.

IDiyas Innovation Intelligence. (2026). Inventor Profile: Karl Robert Schäfer. Retrieved from https://idiyas.com/inventor/karl-robert-schandaumlfer

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

USPTO Granted Patents = 15

% Patents Active = 46.7

Average Co-Inventor Count = 1.9

ph-index = 5

Forward Citations = 80(Granted Patents)


Location History:

  • Rimper, DE (2001)
  • Rimpar, DE (2001 - 2004)

Company Filing History:

goldMedal15 out of 865 
 
Koenig & Bauer-Aktiengesellschaft
 patents

Years Active: 2001-2004

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15 patents (USPTO):Explore Patents
1. 6799513 - Method and device for supplying hydraulic fluid (2004-10-05),
2. 6792860 - Method and device for pressing a packing against a cylinder (2004-09-21),
3. 6779452 - Devices for pressing a blanket on a cylinder (2004-08-24),
4. 6675708 - Cylinder having plate securing device including fastening elements for fastening plate legs when cylinder rotates in either direction (2004-01-13),
5. 6598530 - Method for fastening a flexible plate (2003-07-29),
6. 6561094 - Device for fixing a flexible plate on a printing cylinder (2003-05-13),
7. 6557469 - Printing cylinder having plate securing device including plate leg fastening elements and a roller body (2003-05-06),
8. 6543358 - Device for clamping flexible plates including a pivotable three-armed profiled strip (2003-04-08),
9. 6439116 - Arrangement for the inker unit of a rotary press (2002-08-27),
10. 6339988 - Cylinder with a rubber cover (2002-01-22),
11. 6335098 - Rotary press doctor (2002-01-01),
12. 6289807 - Open, pressureless ink duct having a low surface energy coating to aid in forming a roll of ink (2001-09-18),
13. 6276275 - Ink fountain having sensors to determine presence of a roll of ink (2001-08-21),
14. 6213017 - Ink duct pivotable between two positions (2001-04-10),
15. 6199280 - Method and device for assembling flexible plates, for example printing plates (2001-03-13),

Title: The Innovations of Karl Robert Schäfer

Introduction

Karl Robert Schäfer is a notable inventor based in Rimpar, Germany. He has made significant contributions to the field of engineering, particularly in the design and functionality of hydraulic systems. With a total of 15 patents to his name, Schäfer has demonstrated a commitment to innovation and problem-solving in his work.

Latest Patents

One of his latest patents is a method and device for supplying hydraulic fluid. This invention involves the use of deformable hollow bodies placed in cylinders of printing presses to actuate retaining and clamping devices. The hollow bodies require a sealed supply channel for the pressure medium. The design features a sealing surface and a dividing surface that are arranged parallel to each other and generally perpendicularly to the direction of pressure generated by the pressure medium flowing into the hollow body. Another significant patent is a method and device for pressing a packing against a cylinder. In this invention, a packing is pressed against the surface of a cylinder using at least one roller, which is deployed and retracted with respect to the cylinder by an adjusting mechanism. A guard is provided to cover the roller, which is actuated by the roller adjusting mechanism.

Career Highlights

Throughout his career, Karl Robert Schäfer has worked with prominent companies, including Koenig & Bauer Aktiengesellschaft. His experience in these organizations has allowed him to refine his skills and contribute to various innovative projects.

Collaborations

Schäfer has collaborated with notable colleagues such as Georg Schneider and Roland Bernd Hofmann. These partnerships have likely enriched his work and led to further advancements in his field.

Conclusion

Karl Robert Schäfer's contributions to hydraulic systems and engineering innovations are noteworthy. His patents reflect a deep understanding of mechanical design and functionality. Through his work, he continues to influence the industry and inspire future inventors.

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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