| # | Country | Total Patents | |
|---|---|---|---|
| #1 | Canada | 2 | |
| #2 | Japan | 2 | |
| #3 | Netherlands | 2 | |
| #4 | United States | 2 | |
| #5 | Australia | 1 | |
| #6 | Belgium | 1 | |
| #7 | Brazil | 1 | |
| #8 | Switzerland | 1 | |
| #9 | Germany | 1 | |
| #10 | EPO (European Patent Office) | 1 | |
| #11 | France | 1 | |
| #12 | United Kingdom | 1 | |
| #13 | India | 1 | |
| #14 | Italy | 1 | |
| #15 | Mexico | 1 |
| # | Industry | |
|---|---|---|
| #1 | Mechanical elements | |
| #2 | Macromolecular chemistry and polymers | |
| #3 | Basic materials chemistry | |
| #4 | Textiles and paper | |
| #5 | Machines | |
| #6 | Thermal processes | |
| #7 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Nails | |
| #2 | Adhesives | |
| #3 | Controlling combustion | |
| #4 | Yarns and threads | |
| #5 | Producing goods from plastic | |
| #6 | Macromolecular compounds compositions | |
| #7 | Vehicle tyre repairing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gutshall Charles E | 9 |
| #2 | Gutshall C | 1 |
| #3 | Chiyaaruzu Ii Gatsutsuhooru | 1 |
| #4 | Guitshall Charles E | 1 |
| #5 | Guthsall C | 1 |
| #6 | Chiyaaruzu Ii Gatsutoshiyaru | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4355552A | Recessed head screw | |
| US4202244A | Recessed head screw |