Ian B. Schirmer

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Queensland, AU

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Patents Grantslast 30 patents

Information Patent Grant
Method for removing material from a rock wall
- Patent number 11,725,512
- Issue date Aug 15, 2023
- Joy Global Underground Mining LLC
- Russell P. Smith
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutter head for mining machine
- Patent number 11,371,346
- Issue date Jun 28, 2022
- Joy Global Underground Mining LLC
- Russell P. Smith
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutter head for mining machine
- Patent number 11,339,657
- Issue date May 24, 2022
- Joy Global Underground Mining LLC
- Russell P. Smith
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutter head for mining machine
- Patent number 10,472,961
- Issue date Nov 12, 2019
- Joy Global Underground Mining LLC
- Russell P. Smith
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutter head for mining machine
- Patent number 9,470,087
- Issue date Oct 18, 2016
- Joy MM Delaware, Inc.
- Russell P. Smith
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
CUTTER HEAD FOR MINING MACHINE
- Publication number 20240125232
- Publication date Apr 18, 2024
- Joy Global Underground Mining LLC
- Russell P. Smith
- E21 - EARTH DRILLING MINING
Information Patent Application
CUTTER HEAD FOR MINING MACHINE
- Publication number 20220349306
- Publication date Nov 3, 2022
- Joy Global Underground Mining LLC
- Russell P. Smith
- E21 - EARTH DRILLING MINING
Information Patent Application
CUTTER HEAD FOR MINING MACHINE
- Publication number 20200072050
- Publication date Mar 5, 2020
- Joy Global Underground Mining LLC
- Russell P. Smith
- E21 - EARTH DRILLING MINING
Information Patent Application
CUTTER HEAD FOR MINING MACHINE
- Publication number 20170002657
- Publication date Jan 5, 2017
- Joy MM Delaware, Inc.
- Russell P. Smith
- E21 - EARTH DRILLING MINING
Information Patent Application
CUTTER HEAD FOR MINING MACHINE
- Publication number 20140077578
- Publication date Mar 20, 2014
- Joy MM Delaware, Inc.
- Russell P. Smith
- E21 - EARTH DRILLING MINING