Growing community of inventors

Chesterfield, MO, United States of America

Joseph L Levasseur

Average Co-Inventor Count = 1.19

ph-index = 17

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 = 1,157

Joseph L LevasseurMark H Leibu (3 patents)Joseph L LevasseurWilliam A Seiter (3 patents)Joseph L LevasseurRonald A Hoormann (2 patents)Joseph L LevasseurChad P Stuemke (1 patent)Joseph L LevasseurJack R Hoffmann, Jr (1 patent)Joseph L LevasseurRoger O Claghorn (1 patent)Joseph L LevasseurMichael A Nogin (1 patent)Joseph L LevasseurWayne T Biermann (1 patent)Joseph L LevasseurLarry D Lee (1 patent)Joseph L LevasseurIan F Murphy (1 patent)Joseph L LevasseurJames C Douglass (1 patent)Joseph L LevasseurCalvin J Christensen (1 patent)Joseph L LevasseurHerbert H Jamgochian (1 patent)Joseph L LevasseurRonald A Hoorman (1 patent)Joseph L LevasseurJoseph L Levasseur (46 patents)Mark H LeibuMark H Leibu (10 patents)William A SeiterWilliam A Seiter (3 patents)Ronald A HoormannRonald A Hoormann (7 patents)Chad P StuemkeChad P Stuemke (30 patents)Jack R Hoffmann, JrJack R Hoffmann, Jr (13 patents)Roger O ClaghornRoger O Claghorn (5 patents)Michael A NoginMichael A Nogin (3 patents)Wayne T BiermannWayne T Biermann (2 patents)Larry D LeeLarry D Lee (2 patents)Ian F MurphyIan F Murphy (2 patents)James C DouglassJames C Douglass (1 patent)Calvin J ChristensenCalvin J Christensen (1 patent)Herbert H JamgochianHerbert H Jamgochian (1 patent)Ronald A HoormanRonald A Hoorman (1 patent)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Coin Acceptors, Inc. (31 from 89 patents)

2. H. R. Electronics Company (13 from 15 patents)

3. Other (1 from 832,718 patents)

4. Ara Services, Inc. (1 from 3 patents)


46 patents:

1. 8678888 - Coin storage cassette

2. 8170713 - Method of selecting a product from a refrigerated glass front vending machine

3. 7597214 - Product dispenser for a vending machine

4. 6441891 - System for detecting a foreign object attached to a bill passing through a bill validator

5. 6427912 - Off-line credit card transaction system and method for vending machines

6. 6230870 - Coin detection device

7. 5955718 - Integrated credit/information exchange module

8. 5903339 - Light transmissive device for optical testing of transported bills

9. 5892298 - Control circuit for selectively providing electrical energy to an

10. 5892210 - Smart card reader with liquid diverter system

11. 5813257 - Electrically controllable locking device for vending machines and the

12. 5688165 - Means for producing enhanced coin payout capacity in vending machine

13. 5662205 - Coin detection device

14. 5607350 - Global coin payout method and control apparatus

15. 5577957 - Coin payout method and control apparatus

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as of
12/15/2025
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