| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 24 | |
| #2 | Canada | 5 |
| # | Industry | |
|---|---|---|
| #1 | Consumer goods | |
| #2 | Textiles and paper | |
| #3 | Medical technology | |
| #4 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Footwear features | |
| #2 | Footwear manufacturing machines | |
| #3 | Implantable devices | |
| #4 | Kitchen equipment |
| # | Name | Total Patents |
|---|---|---|
| #1 | Block Alexander E | 29 |
| Publication | Filing date | Title |
|---|---|---|
| US2220439A | Adjustable shoe | |
| US2123176A | Arch supporting apparatus | |
| US2057510A | Arch supporting apparatus | |
| US1739541A | Truss for shoes | |
| US1739540A | Foot-treatment appliance | |
| US1740220A | Last | |
| US1693218A | Shoe and method of making same | |
| US1739539A | Shoe | |
| US1739538A | Shoe | |
| US1596146A | Foot-treatment appliance | |
| US1602793A | Shoe | |
| US1302760A | Foot-supporter. | |
| US1378398A | Arch-support | |
| CA170145A | Support for foot arches | |
| US1237285A | Bunion-protector. | |
| US1191655A | Combined heel and arch support. | |
| CA153780A | Foot arch support | |
| US1243692A | Foot-support. | |
| US1061353A | Arch-support. | |
| US1127349A | Support for the anterior metatarsal arch of the foot. |