Gerhard Balve
10Patents
5h-index
4Co-inventors
59Inventor score
Filing activity: Feb 1, 1990 → Jun 29, 2016
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6244783A | Widening apparatus | Mechanical Engineering; Lighting; Heating | 18 | Expired |
| US5148878A | Ram boring machine | Fixed Constructions | 10 | Expired |
| US5954145A | Reversible percussion piston drill apparatus | Fixed Constructions | 8 | Expired |
| US7874382B2 | Pneumatically reversible ram boring device | Fixed Constructions | 6 | Active |
| US5960892A | Automatically driven pile driver drilling device | Fixed Constructions | 5 | Expired |
| US6267187A | Boring apparatus with coupling for rapid connection of drill string segments | Fixed Constructions | 4 | Expired |
| US6406215B1 | Positive connection between a pipe and a ring inserted into the pipe | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5042599A | Ram boring machine | General | 0 | Revoked |
| US11634949B2 | Percussion boring device and method for reversing a percussion boring device | Fixed Constructions | 0 | Active |
| US10480246B2 | Percussion boring device | Fixed Constructions | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.