Assignee
AMVEST CORP
US·4 granted patents·272 citations·filing 1991–2002
Top patents by PatentIndex Score
4 records- 0190US5879057AHorizontal remote mining system, and methodAMVEST CORP·Filed 1996·Granted Mar 9, 1999·218 cites·81 claims
- 0256US6755480B2Drum-type dual channel water-jet assisted cutting headAMVEST CORP·Filed 2002·Granted Jun 29, 2004·11 cites·17 claims
- 0354US5246274ARemote mining haulage system with self-advancing mobile tailpiece and method of operating sameAMVEST CORP·Filed 1992·Granted Sep 21, 1993·28 cites·25 claims
- 0443US5149175AThin seam mining and related sorting methodAMVEST CORP·Filed 1991·Granted Sep 22, 1992·15 cites·10 claims
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