| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 6 | |
| #2 | Argentina | 1 | |
| #3 | Austria | 1 | |
| #4 | Belgium | 1 | |
| #5 | Germany | 1 | |
| #6 | France | 1 | |
| #7 | United Kingdom | 1 | |
| #8 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Engines, pumps and turbines | |
| #2 | Machine tools |
| # | Technology | |
|---|---|---|
| #1 | Machines | |
| #2 | Cyclically operating valves | |
| #3 | Pumps | |
| #4 | Percussive tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Leavell Charles | 10 |
| Publication | Filing date | Title |
|---|---|---|
| US4290489A | Vibrationless pneumatic tools | |
| GB1154593A | Vibrationless Percussive Tool. | |
| CA530678A | Pneumatic tool | |
| CA750123A | Pneumatic torque-transmitting coupling for isolating angular vibration | |
| CA708859A | Counterbalanced vibrationless percussive tool | |
| CA779572A | Work member for a percussive tool | |
| CA794631A | Anti-vibration means | |
| CA708860A | Vibrationless percussive tool |