% Expired Patents = 57.1

EPO Patents = 7

Trademarks = 2

Forward Citations = 32

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12 inventors (with patents filed for the assignee):

Michael Kerstan (4 out of 14 patents)

Georg Pietsch (4 out of 26 patents)

Heiko Aus Dem Spring (3 out of 3 patents)

4. Adrian Fries (1 out of 1 patent)

5. Jörn Kanzow (1 out of 1 patent)

6. Sebastian Jessen (1 out of 1 patent)

7. Eckehard Gurgel (1 out of 1 patent)

8. Ingo Grotkopp (1 out of 1 patent)

9. Frank Runkel (1 out of 1 patent)

10. Conrad Von Bechtolsheim (1 out of 1 patent)

11. Helge Moeller (1 out of 1 patent)

12. Harald Fischer (1 out of 1 patent)

13. Wolfgang Habbecke (0 patent)

14. Wolfgang Habbecke (0 patent)

15. Rolf Zielke (0 patent)

7 patents: Sort by Forward Citations

1. 9539695 - Carrier, method for coating a carrier, and method for the simultaneous double-side material-removing machining of semiconductor wafers (2017-01-10),

2. 9004981 - Apparatus for double-sided, grinding machining of flat workpieces (2015-04-14),

3. 8951096 - Method for machining flat workpieces (2015-02-10),

4. 8512099 - Method for the simultaneous double-sided material removal processing of a plurality of semiconductor wafers (2013-08-20),

5. 8113913 - Method for the simultaneous grinding of a plurality of semiconductor wafers (2012-02-14),

6. 7963823 - Machining machine with means for acquiring machining parameters (2011-06-21),

7. 7815489 - Method for the simultaneous double-side grinding of a plurality of semiconductor wafers (2010-10-19),

Company Overview

Peter Wolters GmbH is a leading supplier of high-precision machine tools and systems for the fine grinding, lapping and polishing of flat workpieces. With a history dating back over 180 years, the company is known for its innovative technologies and high-quality products. Their solutions are used in various industries such as automotive, aerospace, and electronics, helping customers achieve superior surface finishes and precise dimensions.

Profile summary synthesized from public USPTO records and patent filings.

Company Badge

USPTO Data Jan 1 1976 - Oct 20 2026

7 Patents

#3 in Rendsburg

#4,865 in Germany

Rendsburg, Germany

Peter Wolters Gmbh

Forward Citations = 32

12 inventors:

Michael Kerstan (4 out of 14 patents)

Georg Pietsch (4 out of 26 patents)

Heiko Aus Dem Spring (3 out of 3 patents)

4. Adrian Fries (1 out of 1 patent)

5. Jörn Kanzow (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Peter Wolters Gmbh. Retrieved from https://idiyas.com/company/peter-wolters

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]

7 patents (EPO):

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]