Inventor
Axel Neukirchen
Inventor
Munich, DE
Overview
Patents· 8 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
E21Bprimary
E21BEarth or rock drilling36%
Y10TTechnical subjects covered by former us classification29%
B25DPercussive tools21%
B28DWorking stone or stone-like materials14%
PatentTitleYear
5,836,408'Rotary percussion blow assisted drill'19985,779,403'Percussive blow assisted rotary drill'19985,553,682'Rock drill'19965,529,445'Tool bit and tool chuck for manually operated tools'19965,503,237'Helical drill'19965,492,187'Twist drill'19965,427,481'Tool bit and tool bit chuck for hand tools'19955,145,237'Cutter bit with optimized shank'1992Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1992–1998Patents assigned to HILTI AG (8)· patent assignee history
1992–1996Based in Munich, DE· patent location history
1998Based in Drensteinfurt, DE· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| HILTI AG | 8 | 1992–1998 |
Locations
| Location | Patents | Span |
|---|---|---|
| Munich, DE | 6 | 1992–1996 |
| Drensteinfurt, DE | 2 | 1998 |