Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10948248 | Heat exchanger assembly and method for mounting a heat exchanger | James Emery, Kyle Hinchliffe | 2021-03-16 |
| 10809018 | Mounting arrangement for stacked heat exchanger assembly | James Emery | 2020-10-20 |
| 10677144 | Heat exchanger system | James Emery | 2020-06-09 |
| 9243846 | Heat exhanging apparatus | Thomas W. Williams | 2016-01-26 |
| 5991972 | Height adjustment mechanism for a cleaning tool | Alan J. Krebs | 1999-11-30 |
| 5974623 | Vacuum cleaner motor housing | Dean R. Rohn | 1999-11-02 |
| 5949175 | Brush holder for electric motor | — | 1999-09-07 |
| 5902386 | Reduced diameter separator for a vacuum cleaner apparatus | Eric Lee Gustafson, Dean R. Rohn, Skip Erickson, Jeffrey R. Kassien, Michael R. Lovelace, Jr. | 1999-05-11 |
| 5109568 | Handle assembly for a vacuum system cleaning tool | Dean R. Rohn, Steven R. Selewski, Stephen J. Wood | 1992-05-05 |
| 5096475 | Separator for a vacuum cleaner system | Gary A. Kasper, Roy O. Erickson, Jr., Dean R. Rohn, Steven R. Selewski | 1992-03-17 |
| 5090974 | Separator for a vacuum cleaner system | Gary A. Kasper, Roy O. Erickson, Jr., Dean R. Rohn, Steven R. Selewski | 1992-02-25 |
| 5030257 | Separator for a vacuum cleaner system | Gary A. Kasper, Roy O. Erickson, Jr., Dean R. Rohn, Steven R. Selewski | 1991-07-09 |