Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D845703 | Venturi device | Jeffrey Casper | 2019-04-16 |
| D838542 | Venturi device | Jeffrey Casper | 2019-01-22 |
| D838543 | Venturi device | Jeffrey Casper | 2019-01-22 |
| D838544 | Venturi device | Jeffrey Casper | 2019-01-22 |
| D833218 | Venturi device | Jeffrey Casper | 2018-11-13 |
| D798659 | Venturi device | Jeffrey Casper | 2017-10-03 |
| 9643137 | Venturi device and method | Jeffrey Casper | 2017-05-09 |
| D778667 | Venturi device | Jeffrey Casper | 2017-02-14 |
| 9415355 | Venturi device and method | Jeffrey Casper | 2016-08-16 |
| 8002249 | Strip diffuser | Mark A. Schoenenberger, Brad D. Laubenstein, James A. Reilly, Joseph G. Krall, Neil S. Tischler | 2011-08-23 |
| 7255333 | Strip diffuser | Mark A. Schoenenberger, Brad D. Laubenstein, James A. Reilly, Joseph G. Krall | 2007-08-14 |
| 5961247 | Mechanism for the detachable attachment of a bladed wheel to a turbomachine | Peter Werner Gold | 1999-10-05 |
| 5423980 | Wastewater treatment apparatus with ice resistant adjustable friction drive | — | 1995-06-13 |
| 5250178 | Buoyant ceiling wiper for stacked tank clarifier | Peter G. Dobbeck, Franklin J. Koehler, Susan M. Rasper, John R. Thomas | 1993-10-05 |
| 4950398 | Cantilevered flight attachment for non-metallic chain | James Wiegand | 1990-08-21 |
| 4863418 | Non-metallic chain including wound composite chain links and molded pins | John A. Fillar, James Wiegand | 1989-09-05 |
| 4631974 | Polymeric split sprocket wheel | James Wiegand | 1986-12-30 |
| 4620927 | Polymeric microscreen support wheel and assembly | Susan M. Rasper | 1986-11-04 |
| 4294700 | Submerged large diameter seal | — | 1981-10-13 |