Inventor · disambiguated record
Charles Johnson
Also filed as: JOHNSON CHARLES · JOHNSON CHARLES N
5 granted patents·113 citations·filing 1991–2009
81Inventor score
Top patents by PatentIndex Score
5 records- 0198US9114832B2Auto-steerable farming systemWANG GUOPING·Filed 2009·Granted Aug 25, 2015·74 cites·18 claims
- 0274US7846342B2Hydraulic fluid dehydration system and method including pre-heatingPUTZMEISTER AMERICA INC·Filed 2008·Granted Dec 7, 2010·9 cites·19 claims
- 0360US9849909B2Towable agricultural implement having automatic steering systemWANG GUOPING·Filed 2009·Granted Dec 26, 2017·4 cites·20 claims
- 0448US5129420ACut-off valveELWOOD HYDRAULICS COMPANY INC·Filed 1991·Granted Jul 14, 1992·15 cites·13 claims
- 0534US5158235ATurbulence-quelling fluid-flow controller and methodELWOOD HYDRAULICS COMPANY INC·Filed 1991·Granted Oct 27, 1992·11 cites·22 claims
Join the waitlist — get patent alerts
Get an alert when Charles Johnson files or is granted a new patent.
We store only your email — no account needed. See our privacy policy.
Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →