Inventor
Bernard Tissier
Inventor
Nyoiseau, FR
Overview
Patents· 1 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling33%
F16CShafts33%
F16JPistons33%
PatentTitleYear
6,401,843'Drilling head with a cone rock bit'2002Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2002Patents assigned to HUTCHINSON (1)· patent assignee history
2002Patents assigned to TOTAL SA (1)· patent assignee history
2002Based in Nyoiseau, FR· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HUTCHINSON | 1 | 2002 |
| TOTAL SA | 1 | 2002 |
Locations
| Location | Patents | Span |
|---|---|---|
| Nyoiseau, FR | 1 | 2002 |