| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 | |
| #2 | United Kingdom | 1 |
| # | Industry | |
|---|---|---|
| #1 | Textiles and paper | |
| #2 | Machines | |
| #3 | Consumer goods | |
| #4 | Transport | |
| #5 | Machine tools | |
| #6 | Furniture and games |
| # | Technology | |
|---|---|---|
| #1 | Footwear manufacturing machines | |
| #2 | Footwear features | |
| #3 | Unspecified technologies | |
| #4 | Vehicle servicing | |
| #5 | Household appliances | |
| #6 | Cutting |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ryberg Charles O | 14 |
| Publication | Filing date | Title |
|---|---|---|
| US2126669A | Heel | |
| US1737129A | Heel-base-building machine | |
| US1701509A | Heel base for shoes | |
| US1693160A | Heel base for shoes | |
| US1719237A | Lifting and snubbing attachment for vehicles | |
| US1688155A | Vehicle lifting jack | |
| US1284784A | Heel-building machine. | |
| US1160201A | Fabric for mats, &c. | |
| US1015589A | Heel building and pressing machine. | |
| US990598A | Heel building and pressing machine. | |
| US989059A | Heel-building machine. | |
| US891503A | Heel-building machine. | |
| GB190306642A | Improvements in Heel-rand Cutting and Counting Machines | |
| US726467A | Heel-rand cutting and counting machine. |