Inventor
Marcel Jufer
Inventor
Morges, CH
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
H02Kprimary
H02KDynamo-electric machines33%
G04CElectromechanical clocks or watches17%
G11BInformation storage based on relative movement between record carrier and transducer17%
B25DPercussive tools8%
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
Y10TTechnical subjects covered by former us classification8%
PatentTitleYear
6,520,269'Hand-held tool with electromagnetic hammer mechanism'20036,080,352'Method of magnetizing a ring-shaped magnet'20005,850,318'Slotless spindle motor for disc drive'19985,598,071'Method for starting and commutating a permanent-magnet direct current motor having a single phase winding'19975,579,188'Ironless spindle motor for disc drive'19964,346,463'Movement detector for a stepping motor'19824,323,834'Movement detector for a stepping motor'1982Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1982Patents assigned to SUISSE HORLOGERIE (2)· patent assignee history
1982–2000Based in Morges, CH· patent location history
1996–2000Patents assigned to SEAGATE TECHNOLOGY (4)· patent assignee history
2003Patents assigned to HILTI AG (1)· patent assignee history
2003Based in Lausanne, CH· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| SEAGATE TECHNOLOGY | 4 | 1996–2000 |
| SUISSE HORLOGERIE | 2 | 1982 |
| HILTI AG | 1 | 2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Morges, CH | 6 | 1982–2000 |
| Lausanne, CH | 1 | 2003 |