John R. Frederick

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Polk, PA, US

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Patents Grantslast 30 patents

Information Patent Grant
Cutting bit assembly
- Patent number 10,677,054
- Issue date Jun 9, 2020
- Joy Global Underground Mining LLC
- Randy Arnold
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutting bit and extraction tool for same
- Patent number 9,874,095
- Issue date Jan 23, 2018
- Joy MM Delaware, Inc.
- John R. Frederick
- E21 - EARTH DRILLING MINING
Information Patent Grant
Roof support arrangement for mining apparatus and roof bolting equi...
- Patent number 6,497,536
- Issue date Dec 24, 2002
- Joy MM Delaware, Inc.
- Brad Neilson
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Storage pod for underground mining machine
- Patent number 6,364,148
- Issue date Apr 2, 2002
- Joy MM Delaware, Inc.
- Brad Neilson
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
Machine used in connection with underground mining having an operat...
- Patent number 6,325,460
- Issue date Dec 4, 2001
- Joy MM Delaware, Inc.
- John R. Frederick
- B60 - VEHICLES IN GENERAL
Information Patent Grant
Mining machine with detachable articulated cutting assembly
- Patent number 6,224,164
- Issue date May 1, 2001
- Joy MM Delaware, Inc.
- Kevin R. Hall
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
ASYMMETRIC PICK TOOL WITH AN ASPECT RATIO BETWEEN LEADING AND TRAIL...
- Publication number 20180238170
- Publication date Aug 23, 2018
- ELEMENT SIX GMBH
- MARKUS KILIAN SCHARTING
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
CUTTING BIT ASSEMBLY
- Publication number 20180223661
- Publication date Aug 9, 2018
- Joy MM Delaware, Inc.
- Randy Arnold
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
CUTTING BIT AND EXTRACTION TOOL FOR SAME
- Publication number 20180106149
- Publication date Apr 19, 2018
- Joy MM Delaware, Inc.
- John R. Frederick
- E21 - EARTH DRILLING MINING
Information Patent Application
CUTTING BIT AND EXTRACTION TOOL FOR SAME
- Publication number 20160298454
- Publication date Oct 13, 2016
- Joy MM Delaware, Inc.
- John R. Frederick
- E21 - EARTH DRILLING MINING
Information Patent Application
BIT ASSEMBLY FOR CUTTER HEAD
- Publication number 20160298453
- Publication date Oct 13, 2016
- Joy MM Delaware, Inc.
- John R. Frederick
- E21 - EARTH DRILLING MINING