Issued Patents All Time
Showing 1–25 of 26 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7415783 | Boom support strand oscillation dampening mechanism | Joseph L. Huffman, Rikos A. Kasim | 2008-08-26 |
| 7367090 | Fitting for wire rope | Joseph L. Huffman, Rikos A. Kasim | 2008-05-06 |
| 6401370 | Fairlead mechanism | Eric C. Blom | 2002-06-11 |
| 6241394 | Lubricating groove pattern for a journal bearing | Mark Zawlocki | 2001-06-05 |
| 6067734 | Dragline walking mechanism with improved planetary transmission | — | 2000-05-30 |
| 6067735 | Boom support structure for a hoist rope support sheave | — | 2000-05-30 |
| 5988095 | Clamping mechanism for securing a rope to a winch drum | — | 1999-11-23 |
| 5676471 | Dragline with improved thrust bearing assembly supporting upper structure | Joseph L. Huffman | 1997-10-14 |
| 5642577 | Dragline with high headroom between upper and lower structures | — | 1997-07-01 |
| 5603174 | Dragline including improved walking mechanism | Joseph L. Huffman | 1997-02-18 |
| 5600905 | Dragline with improved pinion shaft mounting | John P. Mahoney | 1997-02-11 |
| 5558446 | Bearing arrangement with gravity-fed lubrication | — | 1996-09-24 |
| 5522536 | Apparatus and method for mounting machinery | — | 1996-06-04 |
| 5410826 | Assembly and method for tooth tip retention | Darryl R. Immel, Andrew P. Dretzka | 1995-05-02 |
| 5398396 | Method and apparatus for withdrawing a machine shaft | Clifton L. Sanders | 1995-03-21 |
| 5384950 | Method for machining a component | — | 1995-01-31 |
| 5377408 | Method for retaining a pin | Emeric G. Tossenberger | 1995-01-03 |
| 5362029 | Lift limit device for a load lifting mechanism | — | 1994-11-08 |
| 5347880 | Method and apparatus for servicing a gear assembly | — | 1994-09-20 |
| 5320431 | Lubrication groove arrangement for a journal bearing | — | 1994-06-14 |
| 5289733 | Apparatus for mounting gear segments | — | 1994-03-01 |
| 5290069 | Journal bearing with bearing-shaft clearance zone | — | 1994-03-01 |
| 5290119 | Apparatus and method for retaining a pin | Emeric G. Tossenberger | 1994-03-01 |
| 5245882 | Apparatus for drive component disconnection | Robert H. Blaszynski, Jerry C. Sem | 1993-09-21 |
| 5154012 | Support tub for dragline excavating machine | — | 1992-10-13 |