Inventor · disambiguated record
John R. Frederick
Also filed as: FREDERICK JOHN G · FREDERICK JOHN R · FREDERICK JOHN RALPH
8 granted patents·3 pending applications·178 citations·filing 1980–2017
88Inventor score
Files withJOY MM DELAWARE INC7CLUETT PEABODY & CO INC1COASTAL CORP1ELEMENT SIX GMBH1FREDERICK JOHN G1
Top patents by PatentIndex Score
11 records- 0182US6497536B1Roof support arrangement for mining apparatus and roof bolting equipmentJOY MM DELAWARE INC·Filed 1999·Granted Dec 24, 2002·48 cites·17 claims
- 0277US5308196AYieldable confined core mine roof supportCOASTAL CORP·Filed 1993·Granted May 3, 1994·48 cites·31 claims
- 0371US6224164B1Mining machine with detachable articulated cutting assemblyJOY MM DELAWARE INC·Filed 1999·Granted May 1, 2001·41 cites·23 claims
- 0468US6325460B1Machine used in connection with underground mining having an operator protective shieldJOY MM DELAWARE INC·Filed 2000·Granted Dec 4, 2001·18 cites·21 claims
- 0554US9874095B2Cutting bit and extraction tool for sameJOY MM DELAWARE INC·Filed 2016·Granted Jan 23, 2018·1 cites·33 claims
- 0653US4446606AContinuous compressive preshrinking and drying methodCLUETT PEABODY & CO INC·Filed 1980·Granted May 8, 1984·8 cites·4 claims
- 0748US6364148B1Storage pod for underground mining machineJOY MM DELAWARE INC·Filed 1999·Granted Apr 2, 2002·14 cites·17 claims
- 0845US2007032317A1Lining systemFREDERICK JOHN G·Filed 2005·Application pending·0 cites
- 0943US2018106149A1Cutting bit and extraction tool for sameJOY MM DELAWARE INC·Filed 2017·Application pending·0 cites
- 1034US10677054B2Cutting bit assemblyJOY MM DELAWARE INC·Filed 2016·Granted Jun 9, 2020·0 cites·25 claims
- 1131US2018238170A1Asymmetric pick tool with an aspect ratio between leading and trailing edgesELEMENT SIX GMBH·Filed 2016·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →