| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 3 | |
| #2 | Austria | 2 | |
| #3 | Switzerland | 2 | |
| #4 | Denmark | 2 | |
| #5 | Spain | 2 | |
| #6 | United Kingdom | 2 | |
| #7 | United States | 2 |
| # | Industry | |
|---|---|---|
| #1 | Environmental technology | |
| #2 | Packaging and shipping | |
| #3 | Civil engineering |
| # | Technology | |
|---|---|---|
| #1 | Garbage disposal | |
| #2 | Fire-fighting | |
| #3 | Containers for goods storage |
| # | Name | Total Patents |
|---|---|---|
| #1 | Henze Ferdinand | 13 |
| #2 | Schmitz Wilhelm Heinrich | 1 |
| #3 | Cohn Jacob | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA71615A | Device for preventing explostions in casks or vessels | |
| GB190007568A | Improvements in Safety Stoppers or Valves for Casks and the like. | |
| CA64846A | Can for inflammable liquids | |
| US661341A | Safety-can for petroleum, benzene, or similar liquids. | |
| GB189918719A | Improvements in Cans for Holding Liquids such as Petroleum, Benzine, and such like. | |
| CA67978A | Explosion preventing device | |
| US651353A | Device for preventing explosions. |