Issued Patents 2023
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11774133 | Air conditioning appliance having a plenum for make-up air | Joseph Robert Tobbe, Richard Michael Phillips | 2023-10-03 |
| 11739953 | Air conditioning appliance and make-up air assembly | Joseph Robert Tobbe, Joshua Duane Longenecker, Charles D. Robinson, III, Cody Ewing, Timothy Scott Shaffer | 2023-08-29 |
| 11713901 | Makeup air cross-flow energy recovery system atop air conditioner | Timothy Scott Shaffer, Charles D. Robinson, III | 2023-08-01 |
| 11604006 | Makeup air parallel flow energy recovery system atop air conditioner | Timothy Scott Shaffer, Joseph Robert Tobbe | 2023-03-14 |