Inventor · disambiguated record
David J. Wendell
Also filed as: WENDELL DAVID J
11 granted patents·414 citations·filing 2002–2018
93Inventor score
Technology areasG07D
Top patents by PatentIndex Score
11 records- 0196US7963382B2Optical coin discrimination sensor and coin processing system using the sameCUMMINS ALLISON CORP·Filed 2010·Granted Jun 21, 2011·36 cites·20 claims
- 0295US10181234B2Coin sorting head and coin processing system using the sameCUMMINS ALLISON CORP·Filed 2017·Granted Jan 15, 2019·7 cites·72 claims
- 0394US10089812B1Systems, methods and devices for processing coins utilizing a multi-material coin sorting diskCUMMINS ALLISON CORP·Filed 2015·Granted Oct 2, 2018·9 cites·28 claims
- 0493USRE44689EOptical coin discrimination sensor and coin processing system using the sameWENDELL DAVID J·Filed 2012·Granted Jan 7, 2014·26 cites·34 claims
- 0591US6988606B2Coin processing machine and method for discriminating coins of varied composition, thickness, and diameterCUMMINS ALLISON CORP·Filed 2004·Granted Jan 24, 2006·59 cites·27 claims
- 0690US6755730B2Disc-type coin processing device having improved coin discrimination systemCUMMINS ALLISON CORP·Filed 2002·Granted Jun 29, 2004·67 cites·197 claims
- 0789US7743902B2Optical coin discrimination sensor and coin processing system using the sameCUMMINS ALLISON CORP·Filed 2004·Granted Jun 29, 2010·53 cites·27 claims
- 0889US7188720B2Disc-type coin processing device having improved coin discrimination systemCUMMINS ALLISON CORP·Filed 2004·Granted Mar 13, 2007·53 cites·27 claims
- 0989US6892871B2Sensor and method for discriminating coins of varied composition, thickness, and diameterCUMMINS ALLISON CORP·Filed 2002·Granted May 17, 2005·50 cites·22 claims
- 1088US7427230B2Resilient pad for disc-type coin processing deviceCUMMINS ALLISON CORP·Filed 2004·Granted Sep 23, 2008·54 cites·26 claims
- 1170US10964148B2Coin sorting system coin chuteCUMMINS ALLISON CORP·Filed 2018·Granted Mar 30, 2021·0 cites·19 claims
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