Inventor
Robert Delwiche
Inventor
Brussels, BE
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling50%
B23KSoldering or unsoldering19%
B24DTools for grinding, buffing or sharpening13%
Y10TTechnical subjects covered by former us classification13%
C22CAlloys6%
PatentTitleYear
10,323,462Stabilizer-reamer for drill string20198,960,335'Bit for drilling wells and associated drilling method'20156,296,069'Bladed drill bit with centrally distributed diamond cutters'20016,102,142'Drilling tool with shock absorbers'20005,823,277'Cutting edge for monobloc drilling tools'19985,755,298'Hardfacing with coated diamond particles'19985,755,299'Hardfacing with coated diamond particles'19985,560,439'Method and apparatus for reducing the vibration and whirling of drill bits and the bottom hole assembly in drilling used to drill oil and gas wells'1996Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1996–2015Based in Brussels, BE· patent location history
1998–2001Patents assigned to DRESSER IND (3)· patent assignee history
1998–2015Patents assigned to TOTAL SA (3)· patent assignee history
1998Patents assigned to DB STRATABIT SA (1)· patent assignee history
2015Patents assigned to DELWICHE ROBERT (1)· patent assignee history
2015Patents assigned to DESCHAMPS BENOÎT (1)· patent assignee history
2019Based in Uccle, BE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| DRESSER IND | 3 | 1998–2001 |
| TOTAL SA | 3 | 1998–2015 |
| DB STRATABIT SA | 1 | 1998 |
| DELWICHE ROBERTself | 1 | 2015 |
| DESCHAMPS BENOÎT | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Brussels, BE | 7 | 1996–2015 |
| Uccle, BE | 1 | 2019 |