| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Austria | 6 | |
| #2 | United Kingdom | 5 | |
| #3 | United States | 3 | |
| #4 | Canada | 2 | |
| #5 | Spain | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Machine tools | |
| #4 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Unspecified technologies | |
| #3 | Percussive tools | |
| #4 | Siphons |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wolski Waclaw | 16 |
| #2 | Odrzywolski Kazimierz | 2 |
| Publication | Filing date | Title |
|---|---|---|
| GB191007649A | Improvements in Hydraulic Rock Drills. | |
| GB190813975A | Improvements in Jet Apparatus for Raising Liquids | |
| CA100592A | Hydraulique drill | |
| US842049A | Hydraulic drill. | |
| GB190604837A | Improvements relating to Hydraulic Drills. | |
| US799428A | Hydrodynamic pump for bore-holes and the like. | |
| GB190304101A | Improvements in Deep Boring Apparatus | |
| CA75875A | Deep boring apparatus | |
| US699273A | Deep-boring apparatus. | |
| GB190015017A | Improvements relating to Deep Boring Apparatus. |