Forward Citations = 44

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11 inventors (with patents filed for the assignee):

Hans-Rolf Conrad (4 out of 20 patents)

Rolf Van Haag (2 out of 41 patents)

Peter Svenka (1 out of 15 patents)

4. Reinhard Wenzel (1 out of 26 patents)

5. Dieter Junk (1 out of 12 patents)

6. Franz Kayser (1 out of 35 patents)

7. Jakob Hannen (1 out of 8 patents)

8. Jozef-Franc Zajec (1 out of 6 patents)

9. Frank Rostek (1 out of 5 patents)

10. Heinrich Stein (1 out of 3 patents)

11. Horst Castner (1 out of 1 patent)

10 patents: Sort by Forward Citations

1. 5548942 - Method and apparatus for packaging a roll of material (1996-08-27),

2. 5477659 - Method and arrangement for the packaging of a material-web roll (1995-12-26),

3. 5443000 - Calender (1995-08-22),

4. 5427021 - Calender for material webs or the like (1995-06-27),

5. 5427020 - Finger-protection device for a roller gap (1995-06-27),

6. 5419242 - Roller arrangement with a deflection compensation roller (1995-05-30),

7. 5382096 - Bearing for a heated roll (1995-01-17),

8. 5333544 - Mobile platform for operators of calenders (1994-08-02),

9. 5310058 - Cover for roll of convoluted sheet material (1994-05-10),

10. 5307563 - Method of making rolls with elastic covers (1994-05-03),

Company Overview

Sulzer Papertec Krefeld GmbH specializes in providing advanced solutions for the paper and pulp industry. The company focuses on the development and manufacturing of equipment and technologies that enhance the efficiency and sustainability of paper production processes. With a strong emphasis on innovation, Sulzer Papertec Krefeld is committed to delivering high-quality products that meet the evolving needs of its clients in the global market, particularly in Europe.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

10 Patents

#19 in Krefeld

#3,755 in Germany

#56,092 in the World

Krefeld, Germany

Sulzer Papertec Krefeld Gmbh

Forward Citations = 44

11 inventors:

Hans-Rolf Conrad (4 out of 20 patents)

Rolf Van Haag (2 out of 41 patents)

Peter Svenka (1 out of 15 patents)

4. Reinhard Wenzel (1 out of 26 patents)

5. Dieter Junk (1 out of 12 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Sulzer Papertec Krefeld Gmbh. Retrieved from https://idiyas.com/company/sulzer-papertec-krefeld

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

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]