Inventor
Erich Wisser
Inventor
Bregenz, AT
Overview
Patents· 9 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
F16Bprimary
F16BDevices for fastening or securing constructional elements or machine parts together, e.g. nails, bolts, circlips, clamps, clips or wedges40%
B23BTurning13%
B25BTools or bench devices not otherwise provided for, for fastening, connecting, disengaging, or holding7%
B28DWorking stone or stone-like materials7%
E04BGeneral building constructions7%
E21BEarth or rock drilling7%
E21DShafts7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
Y10TTechnical subjects covered by former us classification7%
PatentTitleYear
6,640,914'Percussion borer for forming bores in stone material'20036,543,977'Concrete anchor bolt'20036,062,784'Spreading anchor'20006,012,358'Setting tool for self-cutting undercut anchors'20006,010,288'Drive-in dowel'20005,988,964'Drive-in dowel'19995,816,760'Under cutting anchor'19985,807,049'Spreading anchor with undercut-forming cutting means'19985,772,372'Spreading anchor'1998Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1998–2003Patents assigned to HILTI AG (9)· patent assignee history
1998–2003Based in Bregenz, AT· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HILTI AG | 9 | 1998–2003 |
Locations
| Location | Patents | Span |
|---|---|---|
| Bregenz, AT | 9 | 1998–2003 |