| Search Again | Story County, Iowa Inventory Patents |
Story Co. Home Page |
| Name | Patent Title | Patent Number |
City | Year |
|---|---|---|---|---|
| Dave D. DIRKS | single piece yoke stroking device for bent axis type hydraulic pumps and variable motors | 06203283 | Ames | 2001 |
| David DIRKS | pump housing mounting flange with tangentially positioned mounting slots | 06688858 | Ames | 2004 |
| David DIRKS | hydrostatic cylinder block and method of making the same | 06802244 | Ames | 2004 |
| David D. DIRKS | retaining system for slipper holddown pins | 05784949 | Ames | 1998 |
| David D. DIRKS | retaining system for slipper holddown pins | 05784949 | Ames | 1998 |
| David D. DIRKS | means and method for varying margin pressure as a function of pump displacement in a pump with load sensing control | 06033188 | Ames | 2000 |
| David D. DIRKS | ball joint for servo piston actuation in a bent axis hydraulic unit | 06257119 | Ames | 2001 |
| David D. DIRKS | apparatus and method for determining the output speed of a hydrostatic unit in a hydro-mechanical transmission | 06485387 | Ames | 2002 |
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