| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | EPO (European Patent Office) | 4 | |
| #3 | China | 3 | |
| #4 | Hong Kong | 2 | |
| #5 | WIPO (World Intellectual Property Organization) | 2 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Transport | |
| #3 | Chemical engineering | |
| #4 | Surface technology and coating | |
| #5 | Environmental technology | |
| #6 | Packaging and shipping | |
| #7 | Machines |
| # | Technology | |
|---|---|---|
| #1 | Fire-fighting | |
| #2 | Parachutes | |
| #3 | Cleaning | |
| #4 | Electrolytic processes | |
| #5 | Water treatment | |
| #6 | Shaping clay | |
| #7 | Transferring liquids |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kruithoff David M | 15 |
| #2 | Zimmerman Mark D | 15 |
| #3 | Schultz Vernon A | 3 |
| #4 | Colvin Donald | 2 |
| #5 | Kruithoff David M M | 1 |
| #6 | David M Kruithoff | 1 |
| #7 | Kimble Solomon M | 1 |
| #8 | Zimmerman Mark D D | 1 |
| #9 | Mark D Zimmerman | 1 |
| #10 | Donald Colvin | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2018043194A1 | Aerial fire suppression system | |
| CN109562286A | Air attack system | |
| EP2807080A1 | Aerial fire suppression system | |
| US3558465A | Electrolytic cell | |
| US3476675A | An electrolytic cell for chlorine production | |
| US3378479A | Electrolytic cell and chlorinating system using same | |
| US1011828A | Syrup containing and dispensing apparatus. | |
| US878542A | Cement block and brick machine. |