| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Machines | |
| #3 | Chemical engineering | |
| #4 | Thermal processes | |
| #5 | Mechanical elements | |
| #6 | Civil engineering |
| # | Name | Total Patents |
|---|---|---|
| #1 | Gardner Howard S | 13 |
| #2 | Nutley Hugh | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4194124A | Method of preventing vapor explosions caused by contact of two liquids having different temperatures | |
| US1420310A | Apparatus for hoisting materials | |
| US1365979A | Hoisting apparatus | |
| US1359161A | Hopper and the like | |
| US1275241A | Hoisting apparatus. | |
| US1036993A | Conveyer-hopper. | |
| US1030296A | Conveyer. | |
| US1035871A | Retarding device for chutes. | |
| US1026641A | Chute-closure. | |
| US999983A | Safety-lock for faucets. | |
| US1021404A | Delivery-chute. | |
| US865336A | Building structure. |