Inventor
Ossi Tienari
Inventor
Kilvakkala, FI
Overview
Patents· 5 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling67%
E21DShafts17%
Y10TTechnical subjects covered by former us classification17%
PatentTitleYear
9,194,195'Control equipment for controlling drill rod'20156,390,189'Feed apparatus for feeding capsular cartridges into drilled hole'20025,000,271'Feeding device for a rock drilling machine'19914,848,485'Method of and an arrangement for controlling rock drilling'19894,399,876'Reversing mechanism for the direction of rotation in a drilling apparatus'1983Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1983–1991Patents assigned to TAMPELLA OY AB (3)· patent assignee history
1983–2002Based in Kilvakkala, FI· patent location history
2002Patents assigned to SANDVIK TAMROCK OY (1)· patent assignee history
2015Patents assigned to SANDVIK MINING & CONSTR OY (1)· patent assignee history
2015Patents assigned to TIENARI OSSI (1)· patent assignee history
2015Based in Tampere, FI· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| TAMPELLA OY AB | 3 | 1983–1991 |
| SANDVIK MINING & CONSTR OY | 1 | 2015 |
| SANDVIK TAMROCK OY | 1 | 2002 |
| TIENARI OSSIself | 1 | 2015 |
Locations
| Location | Patents | Span |
|---|---|---|
| Kilvakkala, FI | 4 | 1983–2002 |
| Tampere, FI | 1 | 2015 |