Inventor · disambiguated record
John Willison
Also filed as: WILLISON JOHN · WILLISON JOHN E
6 granted patents·38 citations·filing 1984–2016
75Inventor score
Top patents by PatentIndex Score
6 records- 0168US4569489ACable tension control deviceJOY MFG CO·Filed 1984·Granted Feb 11, 1986·35 cites·19 claims
- 0259US9482090B2Air flow system for mining machineJOY MM DELAWARE INC·Filed 2016·Granted Nov 1, 2016·1 cites·20 claims
- 0354US7703857B2Continuous miner having a sumping frameJOY MM DELAWARE INC·Filed 2007·Granted Apr 27, 2010·1 cites·5 claims
- 0452US9291052B2Air flow system for mining machineJOY MM DELAWARE INC·Filed 2014·Granted Mar 22, 2016·0 cites·26 claims
- 0541US8231179B2Cutter drum extension mechanismWILLISON JOHN E·Filed 2009·Granted Jul 31, 2012·1 cites·3 claims
- 0638US9903202B2Shield for sumping frame of mining machineJOY MM DELAWARE INC·Filed 2015·Granted Feb 27, 2018·0 cites·22 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →