| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Canada | 4 | |
| #3 | Germany | 1 |
| # | Technology | |
|---|---|---|
| #1 | Explosive charges | |
| #2 | Explosives | |
| #3 | Acyclic or carbocyclic compounds | |
| #4 | Dynamo-electric machines | |
| #5 | Non-metallic elements | |
| #6 | Spring or inertia motors |
| # | Name | Total Patents |
|---|---|---|
| #1 | Hammond John A | 4 |
| #2 | Leslie Oliver Albert | 2 |
| #3 | Barnes Edward A | 2 |
| #4 | Barnes Edward Arthur | 1 |
| #5 | Oliver Roland L | 1 |
| #6 | Oliver Albert L | 1 |
| #7 | Barne Edward Arthur | 1 |
| #8 | Watts Edward L | 1 |
| #9 | Myers Romaine W | 1 |
| #10 | Romaine Myers | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2207137A | Electric blasting cap | |
| US1872941A | Explosive | |
| US1898011A | Blasting cap | |
| US1572676A | Electric blasting cap | |
| US1468792A | Method of recovering oxalic acid | |
| US1485692A | Spring motor | |
| US1523338A | Method of manufacturing fulminate of mercury | |
| US1479152A | Dynamo-electric machine | |
| US1408711A | Waterproof electric blasting cap | |
| US1378269A | Electric blasting-cap | |
| US954689A | Delayed-action electric exploder. | |
| CA319247A | Blasting cap | |
| CA235148A | Production of oxalic acid | |
| CA311894A | Explosive | |
| CA230045A | Manufacturing of fulminate of mercury |