| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 11 | |
| #2 | Germany | 2 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Basic materials chemistry | |
| #3 | Measurement | |
| #4 | Mechanical elements | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Transport or storage devices | |
| #2 | Coating compositions | |
| #3 | Producer gas production | |
| #4 | Railway systems | |
| #5 | Springs | |
| #6 | Gas, coke and tar production | |
| #7 | Elevators and escalators | |
| #8 | Weighing |
| # | Name | Total Patents |
|---|---|---|
| #1 | Palmer Charles G | 5 |
| #2 | Greene Oscar V | 5 |
| #3 | Chinnock James E | 1 |
| #4 | Laucks Irving F | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US1413666A | Varnish and method of making same | |
| US1067730A | Crossover-dump. | |
| US1026626A | Retarding device. | |
| US964965A | Crossover-dump. | |
| US976169A | Continuous car-dumping mechanism. | |
| US918313A | Car-lift. | |
| US988462A | Car-dumping mechanism. | |
| US976167A | Continuous car-dumping mechanism. | |
| US1017868A | Mechanism for handling cars. | |
| US1005961A | Automatic car-dumping mechanism. | |
| US876541A | Weigh-pan. |