Issued Patents All Time
Showing 1–25 of 25 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6926368 | Method and apparatus for remote self-propelled conveying in mineral deposits | — | 2005-08-09 |
| 6799809 | Method and apparatus for remote self-propelled conveying in mineral deposits | — | 2004-10-05 |
| 6698843 | Method and apparatus for remote self-propelled conveying in mineral deposits | — | 2004-03-02 |
| 6644753 | Method and apparatus for remote self-propelled conveying in mineral deposits | — | 2003-11-11 |
| 6220670 | Method and apparatus for remote self-propelled conveying in mineral deposits | — | 2001-04-24 |
| 6109699 | Tow line equipped remote mining machine and method | — | 2000-08-29 |
| 5911300 | Flexible mobile conveyor with multipivotal linkage | — | 1999-06-15 |
| 5882148 | Apparatus for yielding support of rock | — | 1999-03-16 |
| 5836658 | Method and apparatus for boring and shearing of rocks | — | 1998-11-17 |
| 5582465 | Method and apparatus for mining inclined mineral deposits | — | 1996-12-10 |
| 5528578 | Digital information recording by burning conductive spots with electrical pulses in an insulating layer or a recording medium | — | 1996-06-18 |
| 5513903 | Method and apparatus for developing shafts using small diameter shafts | — | 1996-05-07 |
| 5221122 | Multipurpose mining machine | — | 1993-06-22 |
| 5190134 | Flexible mobile bridge conveyor | — | 1993-03-02 |
| 5018389 | Rock-stress measuring method | — | 1991-05-28 |
| 4986413 | Conveyor belt inversion device | — | 1991-01-22 |
| 4976571 | Anchor device for securing rock bolts | Anil Mahyera | 1990-12-11 |
| 4951801 | Articulated mobile conveyor apparatus | — | 1990-08-28 |
| 4860878 | Collapsible conveyor support structure/carrier | Donald R. Skuce | 1989-08-29 |
| 4842130 | Belt bender | — | 1989-06-27 |
| 4820095 | Anchor device for securing rock bolts | — | 1989-04-11 |
| 4818144 | Flood isolation dam | — | 1989-04-04 |
| 4784522 | Method and apparatus for effecting high pressure isolation of liquids | — | 1988-11-15 |
| 4771880 | Belt storage unit | — | 1988-09-20 |
| 4749078 | Roof mounted conveyor idler frame | — | 1988-06-07 |