| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 5 | |
| #2 | Netherlands | 3 | |
| #3 | Switzerland | 2 | |
| #4 | Germany | 2 | |
| #5 | United Kingdom | 2 | |
| #6 | Belgium | 1 | |
| #7 | Canada | 1 | |
| #8 | Norway | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Transport | |
| #3 | Electrical machinery and energy | |
| #4 | Semiconductors | |
| #5 | Materials and metallurgy | |
| #6 | Thermal processes |
| # | Technology | |
|---|---|---|
| #1 | Transport or storage devices | |
| #2 | Ships | |
| #3 | Electric discharge tubes | |
| #4 | Treatment of glass | |
| #5 | Domestic stoves for solid fuels | |
| #6 | Semiconductor devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Wallace Jr Walter J | 3 |
| #2 | Wallace Walter J Jr | 2 |
| #3 | Walter Joseph Wallace | 1 |
| #4 | Walter Joseph Jr Wallace | 1 |
| #5 | J Wallace Jun Walter | 1 |
| #6 | Wallace Jun Walter J | 1 |
| #7 | Wallace Walter J | 1 |
| #8 | Wallace Jr W J | 1 |
| #9 | Wallace W J | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4832182A | Bulk materials handling machine having a tractor drive | |
| US3688893A | Materials handling machine | |
| US3378130A | Unloading machine for tankers or the like | |
| US3282445A | Tanker unloading system | |
| US3144142A | Self-unloading cargo ship | |
| CA823993A | Unloading machine for tankers and the like |