Growing community of inventors

St. Louis, MO, United States of America

Mark H Leibu

Average Co-Inventor Count = 1.97

ph-index = 6

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 99

Mark H LeibuJoseph L Levasseur (3 patents)Mark H LeibuGilbert W Van Cleve (2 patents)Mark H LeibuThomas S Paczkowski (1 patent)Mark H LeibuRonald A Hoormann (1 patent)Mark H LeibuRoger O Claghorn (1 patent)Mark H LeibuRonald E Lovall (1 patent)Mark H LeibuSteven Michael Costello (1 patent)Mark H LeibuThierry J Vivet (1 patent)Mark H LeibuChuanming Wang (1 patent)Mark H LeibuChuanming Wang (1 patent)Mark H LeibuMark H Leibu (10 patents)Joseph L LevasseurJoseph L Levasseur (46 patents)Gilbert W Van CleveGilbert W Van Cleve (2 patents)Thomas S PaczkowskiThomas S Paczkowski (9 patents)Ronald A HoormannRonald A Hoormann (7 patents)Roger O ClaghornRoger O Claghorn (5 patents)Ronald E LovallRonald E Lovall (2 patents)Steven Michael CostelloSteven Michael Costello (2 patents)Thierry J VivetThierry J Vivet (1 patent)Chuanming WangChuanming Wang (1 patent)Chuanming WangChuanming Wang (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Coin Acceptors, Inc. (10 from 89 patents)


10 patents:

1. 8770474 - Bill acceptor with improved bezel

2. 8622191 - Detection device

3. 8170713 - Method of selecting a product from a refrigerated glass front vending machine

4. 6959230 - Vending machine system and method

5. 6772048 - Vending machine system

6. 6441891 - System for detecting a foreign object attached to a bill passing through a bill validator

7. 6230870 - Coin detection device

8. 5733186 - Multiple coin tube changer operable within existing vending machine

9. 5579887 - Coin detection apparatus

10. 5485908 - Pattern recognition using artificial neural network for coin validation

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as of
12/15/2025
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