| File Name | Size | Date | |
 | Geothermal_Heat_Loss_Well_Pumps_And_Piping_2001.pdf | 159 KB | 10/24/2008 |
| Old_Water_Well_Pump_Patents_2005.pdf | 7796 KB | 6/17/2005 |
| Piston_Water_Well_Pump_Plans_Drawings_1999.pdf | 1056 KB | 9/14/1999 |
| Pumps_And_Wells_Performance_And_Tables_2008.pdf | 1272 KB | 9/12/2008 |