| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 4 | |
| #2 | France | 3 | |
| #3 | Italy | 3 | |
| #4 | Canada | 2 | |
| #5 | Germany | 2 | |
| #6 | Australia | 1 | |
| #7 | Switzerland | 1 | |
| #8 | Netherlands | 1 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Basic materials chemistry | |
| #3 | Materials and metallurgy | |
| #4 | Electrical machinery and energy | |
| #5 | Surface technology and coating |
| # | Technology | |
|---|---|---|
| #1 | Shaping of plastics | |
| #2 | Inorganic treatment materials | |
| #3 | Compounding processes | |
| #4 | Working metallic powder | |
| #5 | Magnets and transformers | |
| #6 | Unspecified technologies | |
| #7 | Fillers | |
| #8 | Layered products | |
| #9 | Pigments | |
| #10 | Inorganic compounds |
| # | Name | Total Patents |
|---|---|---|
| #1 | Koch Robert B | 8 |
| #2 | Koch Robert Bruce | 2 |
| Publication | Filing date | Title |
|---|---|---|
| US4065519A | Process for coating fine powders with a nylon and products made therewith | |
| CH611185A5 | Powder in the form of coated particulate material | |
| AU6823974A | Hose | |
| FR2267875A1 | Fibre-reinforced (co)polyamide hose - by coating hose with resorcinol, applying fibres, and heating | |
| US3914146A | Polyester hose and preparation thereof | |
| US3881975A | Polyamide hose and preparation thereof | |
| US3861973A | Polyamide hose and preparation thereof |