| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | WIPO (World Intellectual Property Organization) | 2 | |
| #3 | Australia | 1 | |
| #4 | Canada | 1 | |
| #5 | EPO (European Patent Office) | 1 |
| # | Industry | |
|---|---|---|
| #1 | Measurement | |
| #2 | Chemical engineering | |
| #3 | Packaging and shipping | |
| #4 | Machines | |
| #5 | Basic communication technologies | |
| #6 | Agriculture |
| # | Name | Total Patents |
|---|---|---|
| #1 | Johnson Robert S | 12 |
| #2 | Scheufele Stephen | 2 |
| #3 | Williamson Jr Frank R | 1 |
| #4 | Hammond Jr Joseph L | 1 |
| #5 | Johnson Viola A | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US2014097139A1 | Solid phase extraction disk holder apparatus | |
| AU2003218070A1 | Water separation from solvent | |
| EP0687361A1 | Automatic filtration and extraction device | |
| US3246317A | Analog to incremental-digital converter | |
| US1137861A | Liquid-measuring device. | |
| CA84813A | Metallic crate | |
| US761305A | Tying attachment for baling-presses. | |
| US739006A | Metallic crate. |