| 6981321 |
Hydrostatic cylinder block and method of making the same |
— |
2006-01-03 |
| 6802244 |
Hydrostatic cylinder block and method of making the same |
David D. Dirks, Robert Klinkel |
2004-10-12 |
| 6703577 |
Method of making closed cavity pistons |
— |
2004-03-09 |
| 6588321 |
Closed cavity piston and method of making the same |
— |
2003-07-08 |
| 6555777 |
Method of manufacturing bimetal slippers |
— |
2003-04-29 |
| 6491206 |
Method of making closed cavity pistons |
— |
2002-12-10 |
| 6431051 |
Closed cavity hydraulic piston and method of making the same |
Mark A. Landwehr, Jay H. Ankeny, Allan Richard Schuster |
2002-08-13 |
| 6318241 |
Piston for a hydrostatic cylinder block |
Mark A. Landwehr |
2001-11-20 |
| 6318242 |
Filled hydraulic piston and method of making the same |
— |
2001-11-20 |
| 6314864 |
Closed cavity piston for hydrostatic units |
Richard A. Beck |
2001-11-13 |
| 6293185 |
Piston for a hydrostatic cylinder block |
Mark A. Landwehr |
2001-09-25 |