Inventor
Jan Akerman
Inventor
Stockholm, SE
Overview
Patents· 14 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C22Cprimary
C22CAlloys26%
B22FWorking metallic powder21%
E21BEarth or rock drilling21%
Y10TTechnical subjects covered by former us classification14%
C23CCoating metallic material10%
B01JChemical or physical processes, e.g. catalysis or colloid chemistry2%
E21CMining or quarrying2%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests2%
PatentTitleYear
6,692,690'Cemented carbide body with improved high temperature and thermomechanical properties'20046,423,112'Cemented carbide body with improved high temperature and thermomechanical properties'20026,126,709'Cemented carbide body with improved high temperature and thermomechanical properties'20005,453,241'Cemented carbide body with extra tough behavior'19955,441,693'Method of making cemented carbide articles and the resulting articles'19955,413,869'Cemented carbide body with increased wear resistance'19955,401,461'Cemented carbide body used preferably for abrasive rock drilling and mineral cutting'19955,375,672'Mine roof drill bit and cutting insert therefor'19945,333,520'Method of making a cemented carbide body for tools and wear parts'19945,286,549'Cemented carbide body used preferably for abrasive rock drilling and mineral cutting'19945,279,901'Cemented carbide body with extra tough behavior'19945,074,623'Tool for cutting solid material'19914,820,482'Cemented carbide body with a binder phase gradient and method of making the same'19894,743,515'Cemented carbide body used preferably for rock drilling and mineral cutting'1988Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1988–1989Patents assigned to SANTRADE LTD (2)· patent assignee history
1988–1991Based in Hagersten, SE· patent location history
1989–2004Based in Stockholm, SE· patent location history
1991–2004Patents assigned to SANDVIK AB (10)· patent assignee history
1994Patents assigned to SANDVIK ROCK TOOLS AB (1)· patent assignee history
1995Patents assigned to EUROTUNGSTENE POUDRES (1)· patent assignee history
2000Patents assigned to SANDVIK (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SANDVIK AB | 10 | 1991–2004 |
| SANTRADE LTD | 2 | 1988–1989 |
| EUROTUNGSTENE POUDRES | 1 | 1995 |
| SANDVIK | 1 | 2000 |
| SANDVIK ROCK TOOLS AB | 1 | 1994 |
Locations
| Location | Patents | Span |
|---|---|---|
| Stockholm, SE | 12 | 1989–2004 |
| Hagersten, SE | 2 | 1988–1991 |