Joseph A. Affholter

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Midland, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
In situ retorting and refining of hygrocarbons
- Patent number 9,429,004
- Issue date Aug 30, 2016
- Joseph A. Affholter
- E21 - EARTH DRILLING MINING
Information Patent Grant
In situ retorting of hydrocarbons and a selected metal
- Patent number 9,388,678
- Issue date Jul 12, 2016
- Joseph A. Affholter
- E21 - EARTH DRILLING MINING
Information Patent Grant
In situ retorting of hydrocarbons
- Patent number 9,309,756
- Issue date Apr 12, 2016
- Joseph A. Affholter
- E21 - EARTH DRILLING MINING
Information Patent Grant
In situ retorting of hydrocarbons and a selected metal
- Patent number 9,291,043
- Issue date Mar 22, 2016
- Joseph A. Affholter
- E21 - EARTH DRILLING MINING
Information Patent Grant
Oil shale production system using a thermal-energy-carrier fluid fo...
- Patent number 9,163,490
- Issue date Oct 20, 2015
- Gilman A. Hill
- E21 - EARTH DRILLING MINING
Information Patent Grant
Integrated in situ retorting and refining of heavy-oil and tar sand...
- Patent number 9,085,972
- Issue date Jul 21, 2015
- Gilman A. Hill
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
In Situ Retorting of Hydrocarbons and A Selected Metal
- Publication number 20150204179
- Publication date Jul 23, 2015
- Joseph A. Affholter
- E21 - EARTH DRILLING MINING
Information Patent Application
In Situ Retorting of Hydrocarbons and Selected Metal
- Publication number 20150198019
- Publication date Jul 16, 2015
- Joseph A. Affholter
- E21 - EARTH DRILLING MINING
Information Patent Application
In Situ Retorting and Refining of Hydrocarbons
- Publication number 20140054032
- Publication date Feb 27, 2014
- Joseph A. Affholter
- E21 - EARTH DRILLING MINING