Inventor · disambiguated record
John Wichmann
Also filed as: WICHMANN JOHN M · Wichmann John
3 granted patents·1 pending application·22 citations·filing 1998–2021
67Inventor score
Top patents by PatentIndex Score
4 records- 0174US9863135B2Dual take off systemSEWER EQUIPMENT COMPANY OF AMERICA·Filed 2016·Granted Jan 9, 2018·4 cites·16 claims
- 0263US7243449B2Cubicle top nametag display unitWICHMANN JOHN M·Filed 2003·Granted Jul 17, 2007·12 cites·12 claims
- 0339US2023007983A1Vacuum excavation system and method for preventing blockages from forming thereinWichmann John·Filed 2021·Application pending·0 cites
- 0424US6059535APump with air purging and self-cleaning featuresPROCESS SYSTEMS·Filed 1998·Granted May 9, 2000·6 cites·6 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →