CIPO Patents = 2

EPO Patents = 10

Forward Citations = 4

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10 inventors (with patents filed for the assignee):

Roland Griese (3 out of 5 patents)

Christian Trenner (3 out of 4 patents)

Dietmar Trenner (2 out of 4 patents)

4. Robert Couronne (1 out of 5 patents)

5. Klaus Spinnler (1 out of 6 patents)

6. Andreas Kuleschow (1 out of 3 patents)

7. Hugo Girrbach (1 out of 1 patent)

8. Andreas Fresenborg (1 out of 1 patent)

9. Manfred Wollny (1 out of 1 patent)

10. Uwe Hartl (1 out of 1 patent)

11. Robert Couronné (3 patents)

12. Franz Wingerter (2 patents)

8 patents: Sort by Forward Citations

1. 11521196 - System for cashless payment of products or services (2022-12-06),

2. 8747194 - Device for singularising coins (2014-06-10),

3. 8381893 - Insertion device for coins (2013-02-26),

4. 8150139 - Method and device for recognizing a coin by using the embossed pattern thereof (2012-04-03),

5. 7614544 - Intermediate cash box (2009-11-10),

6. 7552811 - Method and device for testing coins (2009-06-30),

7. 7516830 - Coin distributor (2009-04-14),

8. 7032735 - Coin slot for a mechanical coin-acceptor unit and mechanical coin-acceptor unit having a coin slot (2006-04-25),

Walter Hanke Mechanische Werkstatten GmbH & Co. KG is a leading manufacturer of high-quality precision components and assemblies for various industries. With over 50 years of experience, we specialize in CNC machining, welding, and mechanical assembly. Our state-of-the-art facilities and skilled workforce ensure that we deliver products that meet the highest quality standards. Visit our website to learn more about our services and capabilities.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Dec 9 2025

8 Patents

#119 in

#4,365 in Germany

Berlin, Germany

Walter Hanke Mechanische Werkstatten Gmbh & Co. Kg

Forward Citations = 4

10 inventors:

Roland Griese (3 out of 5 patents)

Christian Trenner (3 out of 4 patents)

Dietmar Trenner (2 out of 4 patents)

4. Robert Couronne (1 out of 5 patents)

5. Klaus Spinnler (1 out of 6 patents)

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2 patents (CIPO):

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10 patents (EPO):

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