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For the Inventor, By the Inventor

Buxtehude, Germany

National Rejectors, Inc. Gmbh


USPTO Granted Patents = 24

% Expired Patents = 16.7


Trademarks = 2

Forward Citations = 71

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27 inventors (with patents filed for the assignee):

goldMedal Wilfried Meyer (5 out of 11 patents)

silverMedal Kay Burmeister (4 out of 4 patents)

bronzeMedal Ulrich Cohrs (3 out of 3 patents)

4.  Hans-Ulrich Cohrs (2 out of 4 patents)

5.  Dieter Wenskus (2 out of 2 patents)

6.  Markus Adameck (2 out of 4 patents)

7.  Manfred Eich (2 out of 3 patents)

8.  Michael Hossfeld (2 out of 2 patents)

9.  Ekhart Wohlrab (2 out of 3 patents)

10.  Thorsten Schneider (1 out of 2 patents)

11.  Klaus Meyer-Steffens (1 out of 2 patents)

12.  Stig Göpel (1 out of 1 patent)

13.  Anton Gluck (1 out of 1 patent)

14.  Torsten Schneider (1 out of 1 patent)

15.  Detlef Frost (1 out of 1 patent)


24 patents:

1. 8827777 - Method for operating a coin dispensing device and a coin dispensing device (2014-09-09),
2. 8162126 - Inductive measuring arrangement for free-fall coin-operated devices (2012-04-24),
3. 8007350 - Apparatus for the payout of coins from a pair of neighbouring coin tubes (2011-08-30),
4. 7712597 - Device for sorting coins (2010-05-11),
5. 7708130 - Method for testing coins (2010-05-04),
6. 7147551 - Apparatus for detecting a coin in a coin tube of a money changer for an automatic coin machine (2006-12-12),
7. 7104384 - Method and apparatus for measuring the diameter of coins (2006-09-12),
8. 7004299 - Process for identifying an embossed image of a coin in an automatic coin machine (2006-02-28),
9. 6819410 - Process for identifying an embossed image of a coin in an automatic coin tester (2004-11-16),
10. D485845 - Front panel comprising a card-slot (2004-01-28),
11. D484139 - Front panel comprising a card-slot (2003-12-24),
12. D484138 - Front panel comprising a card-slot (2003-12-24),
13. D467249 - Front panel comprising a card-slot (2002-12-18),
14. 5769200 - Coin collection apparatus (1998-06-23),
15. 5595535 - Device for paying off coins from at least a pair of coin collecting tubes (1997-01-21),
Company Overview
National Rejectors, Inc. Gmbh, based in Buxtehude, Germany, specializes in the development and manufacturing of advanced rejector systems for the gaming and amusement industries. The company focuses on innovative solutions that enhance the security and efficiency of coin and token handling. With a commitment to quality and technological advancement, National Rejectors plays a pivotal role in providing reliable products that meet the evolving needs of its global clientele in the gaming sector.
Profile summary synthesized from public USPTO records and patent filings.

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USPTO Data Jan 1 1976 - Oct 13 2026

24 Patents

#1 in Buxtehude

#1,910 in Germany

#26,660 in the World

Buxtehude, DE
Buxtehude, Germany

National Rejectors, Inc. Gmbh

Forward Citations = 71

27 inventors:

goldMedal Wilfried Meyer (5 out of 11 patents)

silverMedal Kay Burmeister (4 out of 4 patents)

bronzeMedal Ulrich Cohrs (3 out of 3 patents)

4.  Hans-Ulrich Cohrs (2 out of 4 patents)

5.  Dieter Wenskus (2 out of 2 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: National Rejectors, Inc. Gmbh. Retrieved from https://idiyas.com/company/national-rejectors

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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