Inventor
Bruce Perkins
Inventor
Carrollton, TX, US
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F25Bprimary
F25BRefrigeration machines, plants or systems38%
F24FAir-conditioning23%
F25DRefrigerators23%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
10,775,070Method for solving charge imbalance in existing split heat pump202010,295,244Defrost operation management in heat pumps201910,041,721Heat pump comprising primary defrost operation and secondary defrost operation and method of operating heat pump201810,018,400Defrost operation management in heat pumps20188,549,867'Heat pump control system using passive defrost'2013Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2013–2020Patents assigned to LENNOX IND INC (5)· patent assignee history
2013Patents assigned to CRAWFORD CARL T (1)· patent assignee history
2013Patents assigned to PERKINS BRUCE (1)· patent assignee history
2013Patents assigned to USELTON ROBERT B (1)· patent assignee history
2013–2020Based in Carrollton, TX, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| LENNOX IND INC | 5 | 2013–2020 |
| CRAWFORD CARL T | 1 | 2013 |
| PERKINS BRUCEself | 1 | 2013 |
| USELTON ROBERT B | 1 | 2013 |
Locations
| Location | Patents | Span |
|---|---|---|
| Carrollton, Texas, US | 5 | 2013–2020 |