Jeffrey J. Schwoebel

Follow

Person

Free Union, VA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Drum-type dual channel water-jet assisted cutting head
- Patent number 6,755,480
- Issue date Jun 29, 2004
- Amvest Corporation
- Donald B. Sult
- E21 - EARTH DRILLING MINING
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
Information Patent Grant
Horizontal remote mining system, and method
- Patent number 5,879,057
- Issue date Mar 9, 1999
- Amvest Corporation
- Jeffrey J. Schwoebel
- E21 - EARTH DRILLING MINING

Patents Applicationslast 30 patents

Information Patent Application
Drum-type dual channel water-jet assisted cutting head
- Publication number 20020158503
- Publication date Oct 31, 2002
- Donald B. Sult
- E21 - EARTH DRILLING MINING
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