Inventor
Wilfried Piske
Inventor
Heerbrugg, CH
Overview
Patents· 7 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G01Cprimary
G01CMeasuring distances, levels or bearings50%
G02BOptical elements, systems or apparatus17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
G01DMeasuring not specially adapted for a specific variable8%
G12BConstructional details of instruments, or comparable details of other apparatus, not otherwise provided for8%
PatentTitleYear
6,609,815'Laser arrangement for a multi-beam laser sighting mechanism'20036,604,291'Self-leveling device'20036,493,952'Measuring device subjected to gravitational forces and having a pendulous suspension'20026,313,912'Laser leveling instrument with a leveling base and fine self-leveling of the laser beam'20016,282,028'Beamsplitter'20015,371,951'Two-axis inclinometer'19945,331,395'Device for aligning a laser leveling instrument along a building line'1994Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1994Patents assigned to WILD HEERBRUGG AG (2)· patent assignee history
1994–2003Based in Heerbrugg, CH· patent location history
2001–2003Patents assigned to HILTI AG (4)· patent assignee history
2001Patents assigned to LEICA GEOSYSTEMS AG (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HILTI AG | 4 | 2001–2003 |
| WILD HEERBRUGG AG | 2 | 1994 |
| LEICA GEOSYSTEMS AG | 1 | 2001 |
Locations
| Location | Patents | Span |
|---|---|---|
| Heerbrugg, CH | 7 | 1994–2003 |