| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 2 | |
| #2 | Germany | 2 | |
| #3 | France | 2 | |
| #4 | Austria | 1 | |
| #5 | Switzerland | 1 | |
| #6 | Denmark | 1 | |
| #7 | Finland | 1 | |
| #8 | United Kingdom | 1 | |
| #9 | Ireland | 1 | |
| #10 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Percussive tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Waloddi Weibull Ernst Hjalmar | 2 |
| #2 | Svenska Hammaraktiebolaget | 1 |
| #3 | Weibull Ernst Hjalnar Waloddi | 1 |
| #4 | Johanson Karl Johan Adolf | 1 |
| #5 | Hysing Erik Gustaf | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1948409A | Striking tool | |
| IE13187L | Power-driven striking tools. | |
| GB382888A | Improvements in percussive tools | |
| CA324829A | Motor driven tool holder | |
| CA330578A | Striking tool |