Inventor
Brent A. Koppenhaver
Inventor
North Liberty, IA, US
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F25Dprimary
F25DRefrigerators28%
F25BRefrigeration machines, plants or systems24%
F25CProducing, working or handling ice24%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications24%
PatentTitleYear
10,775,092Insulated ice compartment for bottom mount refrigerator with controlled damper20209,879,898'Insulated ice compartment for bottom mount refrigerator with controlled damper'20189,733,008'Air flow design for controlling temperature in a refrigerator compartment'20177,900,465'Insulated ice compartment for bottom mount refrigerator with controlled damper'20117,891,198'Method and apparatus for controlling temperature in a refrigerator'20117,607,312'Insulated ice compartment for bottom mount refrigerator with temperature control system'20097,591,141'Electronic control system for insulated ice compartment for bottom mount refrigerator'20097,568,359'Insulated ice compartment for bottom mount refrigerator with controlled heater'2009Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2009–2011Patents assigned to MAYTAG CORP (4)· patent assignee history
2009–2020Based in North Liberty, IA, US· patent location history
2009Based in Newton, IA, US· patent location history
2011–2020Patents assigned to WHIRLPOOL CO (4)· patent assignee history
2018Patents assigned to ANELL THOMAS CARL (1)· patent assignee history
2018Patents assigned to BERARDI GREG (1)· patent assignee history
2018Patents assigned to COULTER TIM L (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MAYTAG CORP | 4 | 2009–2011 |
| WHIRLPOOL CO | 4 | 2011–2020 |
| ANELL THOMAS CARL | 1 | 2018 |
| BERARDI GREG | 1 | 2018 |
| COULTER TIM L | 1 | 2018 |
Locations
| Location | Patents | Span |
|---|---|---|
| North Liberty, IA, US | 7 | 2009–2020 |
| Newton, IA, US | 1 | 2009 |