| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Australia | 3 | |
| #2 | EPO (European Patent Office) | 3 | |
| #3 | WIPO (World Intellectual Property Organization) | 3 | |
| #4 | Brazil | 2 | |
| #5 | Canada | 2 | |
| #6 | Norway | 2 | |
| #7 | German Democratic Republic | 1 | |
| #8 | Germany | 1 | |
| #9 | Finland | 1 | |
| #10 | Greece | 1 | |
| #11 | Hungary | 1 | |
| #12 | Mexico | 1 | |
| #13 | United States | 1 | |
| #14 | South Africa | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machine tools | |
| #2 | Chemical engineering | |
| #3 | Environmental technology | |
| #4 | Mechanical elements | |
| #5 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Blasting | |
| #2 | Climate change mitigation in goods production | |
| #3 | Separation | |
| #4 | Venting or aerating devices | |
| #5 | Cleaning | |
| #6 | Spraying devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Keizers Sigrid | 14 |
| #2 | Keizers Josef | 7 |
| #3 | Josef Keizers | 1 |
| #4 | Keizers Joseph | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US5353554A | Injector dosing means | |
| FI910874A0 | Blaesteranordning foer korniga, fuktiga blasteraemnen. | |
| CA2035026A1 | Separator for producing moist, granular blasting agent | |
| WO9100164A1 | Device for blasting with a moist granular agent | |
| DD268633A5 | Method for cleaning flakes with energy-related drilling agent and safety-cleaning apparatus for carrying out this process | |
| EP0286573A2 | No-return valve for dirty liquid or gaseous fluid | |
| DE3239429A1 | METHOD AND DEVICE FOR OPERATING A HIGH-PRESSURE HEATER |