| 8034286 |
Ultrasonic treatment system for separating compounds from aqueous effluent |
Robert Allen Janssen, Earl C. McCraw, Jr., Kimberlee Thompson, John Gavin MacDonald, Thomas David Ehlert +3 more |
2011-10-11 |
| 8033173 |
Amplifying ultrasonic waveguides |
Thomas David Ehlert, George Bromfield, Norman R. Stegelmann |
2011-10-11 |
| 8028930 |
Ultrasonic fuel injector |
Thomas David Ehlert, Timothy R. Zuehlke, Andrew Enis Meyer, George Bromfield |
2011-10-04 |
| 7998322 |
Ultrasonic treatment chamber having electrode properties |
Robert Allen Janssen, John Glen Ahles, Thomas David Ehlert, John Gavin MacDonald, Earl C. McCraw, Jr. +2 more |
2011-08-16 |
| 7963458 |
Ultrasonic liquid delivery device |
Thomas David Ehlert |
2011-06-21 |
| 7947357 |
Method for placing indicia on nonwoven material and articles therefrom |
Walter G. Bauer, Kroy D. Johnson, Thomas David Ehlert |
2011-05-24 |
| 7947184 |
Treatment chamber for separating compounds from aqueous effluent |
Robert Allen Janssen, John Glen Ahles, Thomas David Ehlert, John Gavin MacDonald, Earl C. McCraw, Jr. +2 more |
2011-05-24 |
| 7918211 |
Ultrasonic fuel injector |
Thomas David Ehlert, Timothy R. Zuehlke, Andrew Enis Meyer, George Bromfield |
2011-04-05 |