Amvest Systems Inc.

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Charlottesville, VA, US

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Patents Grantslast 30 patents

Information Patent Grant
Mining system and method featuring a bread loaf shaped borehole
- Patent number 6,612,655
- Issue date Sep 2, 2003
- Amvest Systems Inc.
- Jeffrey J. Schwoebel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Water-jet assisted drum-type mining system
- Patent number 6,409,276
- Issue date Jun 25, 2002
- Amvest Systems, Inc.
- Donald B. Sult
- E21 - EARTH DRILLING MINING
Information Patent Grant
Cutting heads for horizontal remote mining system
- Patent number 6,364,418
- Issue date Apr 2, 2002
- Amvest Systems, Inc.
- Jeff Schwoebel
- E21 - EARTH DRILLING MINING
Information Patent Grant
Hydraulic scroll auger mining system and method of using the same
- Patent number 6,293,628
- Issue date Sep 25, 2001
- Amvest Systems Inc.
- Jeffrey J. Schwoebel
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Mining system and method featuring a bread loaf shaped borehole
- Publication number 20020113484
- Publication date Aug 22, 2002
- AMVEST SYSTEMS INC.
- Jeffrey J. Schwoebel
- E21 - EARTH DRILLING MINING

Trademarklast 30 trademarks