| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 5 | |
| #2 | Canada | 3 | |
| #3 | Spain | 3 | |
| #4 | United States | 2 | |
| #5 | Austria | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Machine tools | |
| #3 | Mechanical elements |
| # | Technology | |
|---|---|---|
| #1 | Unspecified technologies | |
| #2 | Gearing | |
| #3 | Accessories for machine tools |
| # | Name | Total Patents |
|---|---|---|
| #1 | Blackett John Thomas | 11 |
| #2 | Hutton William | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA96121A | Rock drill | |
| CA96122A | Rock drill, etc. | |
| US796890A | Rock-drill. | |
| US796891A | Rock-drill. | |
| CA88728A | Boring machine for coal and ironstone | |
| GB190325569A | Improvements in Rock Drills and the like. | |
| GB190320558A | Improvements in and relating to Rock Drills and the like | |
| GB190303898A | An Improved Boring Machine for use in Coal or Ironstone Mines or the like Places. | |
| GB189601706A | Improvements in Rotary Hand Drilling Machines for Mining and other Purposes. | |
| GB189319084A | Improvements in and connected with Drilling Apparatus for Mining and other purposes. |