| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United Kingdom | 6 | |
| #2 | Switzerland | 3 | |
| #3 | Canada | 2 | |
| #4 | Spain | 2 | |
| #5 | Denmark | 1 | |
| #6 | United States | 1 |
| # | Industry | |
|---|---|---|
| #1 | Basic materials chemistry |
| # | Technology | |
|---|---|---|
| #1 | Explosives |
| # | Name | Total Patents |
|---|---|---|
| #1 | Boyd Harold | 13 |
| #2 | Macdonald William Robertson | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA91035A | Manufacture of explosive compositions | |
| US794583A | Explosive composition. | |
| GB190417880A | Improvements in and relating to the Manufacture of Explosive Compositions. | |
| CA62133A | Explosive | |
| GB189730442A | Improvements in Explosives. | |
| GB189610403A | A New Explosive. | |
| GB189520582A | A Mica Sole, Insole, or Sock. | |
| GB189424529A | Improvements in the Manufacture of Cartridges. | |
| GB189324425A | A New Explosive. |