| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 4 | |
| #2 | United States | 4 | |
| #3 | United Kingdom | 3 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Civil engineering | |
| #3 | Machine tools | |
| #4 | Engines, pumps and turbines |
| # | Technology | |
|---|---|---|
| #1 | Earth drilling | |
| #2 | Unspecified technologies | |
| #3 | Cyclically operating valves | |
| #4 | Percussive tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Shaw Charles Henry | 11 |
| Publication | Filing date | Title |
|---|---|---|
| US830744A | Rock-drill. | |
| CA95005A | Water feed, dust laying, rock drilling engine | |
| US801480A | Water or air feed side-inlet drill-bit. | |
| CA96984A | Rock drill | |
| CA86647A | Pneumatic hammer | |
| GB190210703A | Improvements in Pneumatic Percussive Tools | |
| CA76177A | Pneumatic hammer | |
| US736555A | Pneumatic tool. | |
| GB190119196A | Improvements in Pneumatic Hammers. | |
| US712438A | Pneumatic hammer. | |
| GB190102496A | Improvements in Pneumatic Hammers. |