Inventor
Rollie R. Johnson
Inventor
Chesterfield, MO, US
Overview
Patents· 11 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H05Kprimary
H05KPrinted circuits77%
F24FAir-conditioning8%
F25DRefrigerators8%
Y02BClimate change mitigation technologies related to buildings, e.g. housing, house appliances or related end-user applications8%
PatentTitleYear
8,780,555'Data center cooling'20148,544,289'Exhaust air removal system'20138,432,690'Data center cooling'20137,881,057'Data center cooling'20117,752,858'Exhaust air removal system'20107,684,193'Data center cooling'20107,529,086'Data center cooling'20097,500,911'Exhaust air removal system'20097,173,820'Data center cooling'20077,046,514'Data center cooling'20066,745,590'Condensate removal system'2004Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2004–2014Based in Chesterfield, MO, US· patent location history
2006–2014Patents assigned to AMERICAN POWER CONV CORP (9)· patent assignee history
2013–2014Patents assigned to JOHNSON ROLLIE R (3)· patent assignee history
2013–2014Patents assigned to FINK JAMES R (2)· patent assignee history
2013–2014Patents assigned to HELD STEPHEN F (2)· patent assignee history
2013–2014Patents assigned to JOHNSON RICHARD J (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AMERICAN POWER CONV CORP | 9 | 2006–2014 |
| JOHNSON ROLLIE Rself | 3 | 2013–2014 |
| FINK JAMES R | 2 | 2013–2014 |
| HELD STEPHEN F | 2 | 2013–2014 |
| JOHNSON RICHARD J | 2 | 2013–2014 |
Locations
| Location | Patents | Span |
|---|---|---|
| Chesterfield, MO, US | 11 | 2004–2014 |