| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 9 | |
| #2 | Canada | 2 | |
| #3 | Germany | 1 | |
| #4 | Italy | 1 | |
| #5 | Japan | 1 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Electrical machinery and energy | |
| #3 | Machines | |
| #4 | Transport | |
| #5 | Optics | |
| #6 | Machine tools | |
| #7 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Special designs | |
| #2 | Unspecified technologies | |
| #3 | Non-portable lighting devices | |
| #4 | Producing decorative effects | |
| #5 | Making needles | |
| #6 | Buttons, pins and buckles | |
| #7 | Toys | |
| #8 | Railway brakes | |
| #9 | Rail vehicle suspensions | |
| #10 | Optical systems |
| # | Name | Total Patents |
|---|---|---|
| #1 | Powell Charles W | 12 |
| #2 | Chiyaaruzu Daburiyuu Paueru | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3930711A | Special effects lens | |
| US3533889A | Simulated stained glass art assembly | |
| US3037320A | Lance | |
| US3054711A | Method of making simulated sculpture | |
| US2876574A | Mosaic tile and method | |
| CA115982A | Belt clasp | |
| US911329A | Belt-clasp. | |
| US798828A | Self-locking nut. | |
| US700818A | Brake mechanism for railway-cars. | |
| US688686A | Car-truck. | |
| CA585713A | Mosaic tile and method |