Inventor
Robert Hull
Inventor
Louisville, KY, US
Overview
Patents· 3 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
D21Fprimary
D21FPaper-making machines17%
F26BDrying solid materials or objects by removing liquid therefrom17%
F28DHeat-exchange apparatus, not provided for in another subclass, in which the heat-exchange media do not come into direct contact17%
F28FDetails of heat-exchange and heat-transfer apparatus, of general application17%
G06QInformation and communication technology [ict] specially adapted for administrative, commercial, financial, managerial or supervisory purposes17%
H10DInorganic electric semiconductor devices17%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1987Patents assigned to DU PONT (1)· patent assignee history
1987Based in Richmond, VA, US· patent location history
1992Patents assigned to AT & T BELL LAB (1)· patent assignee history
1992Based in South Orange, NJ, US· patent location history
2012Patents assigned to HULL ROBERT ERNEST (1)· patent assignee history
2012Based in Louisville, KY, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| AT & T BELL LAB | 1 | 1992 |
| DU PONT | 1 | 1987 |
| HULL ROBERT ERNESTself | 1 | 2012 |
Locations
| Location | Patents | Span |
|---|---|---|
| Louisville, KY, US | 1 | 2012 |
| South Orange, New Jersey, US | 1 | 1992 |
| Richmond, Virginia, US | 1 | 1987 |