| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 10 | |
| #2 | Canada | 2 |
| # | Industry | |
|---|---|---|
| #1 | Machines | |
| #2 | Mechanical elements | |
| #3 | Transport | |
| #4 | Packaging and shipping |
| # | Technology | |
|---|---|---|
| #1 | Manufacturing processes | |
| #2 | Unspecified technologies | |
| #3 | Vehicle parts | |
| #4 | Nails | |
| #5 | Transport or storage devices | |
| #6 | Unspecified technologies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Williams Percy Q | 12 |
| Publication | Filing date | Title |
|---|---|---|
| US2123549A | Vacuum cup | |
| US2009721A | Vacuum cup luggage carrier | |
| US1778742A | Leer feeder | |
| US1641515A | Leer-pan structure | |
| US1633053A | Conveying mechanism | |
| US1559598A | Bottle-positioning device | |
| US1646047A | Leer conveyer | |
| US1660463A | Leer-conveyer mechanism | |
| US1549399A | Glassware conveying device | |
| US1487000A | Conveying mechanism | |
| CA254593A | Conveyer for glass ware | |
| CA258761A | Conveyor for glass ware |