Inventor
William R. Willis
Inventor
Tulsa, OK, US
Overview
Patents· 2 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E01Hprimary
E01HStreet cleaning25%
F23CMethods or apparatus for combustion using fluid fuel or solid fuel suspended in a carrier gas or air25%
F23DBurners25%
F23NRegulating or controlling combustion25%
Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1984Patents assigned to WILLIS SR WILLIAM R (1)· patent assignee history
1984Based in Grantham, NH, US· patent location history
1986Patents assigned to COMBUSTION ENG (1)· patent assignee history
1986Based in Tulsa, OK, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| COMBUSTION ENG | 1 | 1986 |
| WILLIS SR WILLIAM Rself | 1 | 1984 |
Locations
| Location | Patents | Span |
|---|---|---|
| Tulsa, OK, US | 1 | 1986 |
| Grantham, NH, US | 1 | 1984 |