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For the Inventor, By the Inventor

Aachen, Germany

Schumag Ag

Calculating rank
USPTO Granted Patents = 9

% Expired Patents = 22.2


Trademarks = 1

Forward Citations = 31

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10 inventors (with patents filed for the assignee):

goldMedal Bruno Walczak (3 out of 3 patents)

silverMedal Walter Wetzels (3 out of 5 patents)

bronzeMedal Dirk Hessberger (2 out of 3 patents)

4.  Rainer Hergemöller (1 out of 1 patent)

5.  Karlheinz Grouls (1 out of 1 patent)

6.  Erich Walczak (1 out of 1 patent)

7.  Guenter Wueller (1 out of 1 patent)

8.  Rainer Hergemoeller (1 out of 1 patent)

9.  Johann Mostert (1 out of 3 patents)

10.  Karl-Heinz Komp (1 out of 1 patent)

11.  Heiner Kudrus (2 patents)


9 patents:

1. 7073363 - Method for processing drawn material and drawn material production installation (2006-07-11),
2. 6638150 - Workpiece holder for a machining apparatus and a corresponding cross-cut machine (2003-10-28),
3. 6450386 - Chain drawing machine for continuous drawing of drawing stock (2002-09-17),
4. 5782121 - Apparatus for the inner profiling of tubes or pipes (1998-07-21),
5. 5603245 - Method for a translatory motion of components (1997-02-18),
6. 5533376 - Method for preparing a tubular blank having a thick wall for a following (1996-07-09),
7. 5524467 - Method for the inner profiling of tubes or pipes (1996-06-11),
8. 5040426 - Drive mechanism for moving a member along a defined path (1991-08-20),
9. 4805434 - Method for straight-line drawing of round material (1989-02-21),
Company Overview
Schumag AG is a global leader in the design and manufacturing of high-precision machinery for the metalworking industry. With over 100 years of experience, we provide innovative solutions for straightening, cutting, and finishing of metal products. Our products are known for their reliability, precision, and efficiency, making us a trusted partner for clients worldwide.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Nov 3 2026

9 Patents

#21 in Aachen

#4,079 in Germany

Aachen, DE
Aachen, Germany

Schumag Ag

Forward Citations = 31

10 inventors:

goldMedal Bruno Walczak (3 out of 3 patents)

silverMedal Walter Wetzels (3 out of 5 patents)

bronzeMedal Dirk Hessberger (2 out of 3 patents)

4.  Rainer Hergemöller (1 out of 1 patent)

5.  Karlheinz Grouls (1 out of 1 patent)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Schumag Ag. Retrieved from https://idiyas.com/company/schumag-ag

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]
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