| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 13 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Environmental technology | |
| #3 | Machines | |
| #4 | Packaging and shipping | |
| #5 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Grates | |
| #2 | Cremation furnaces | |
| #3 | Milling | |
| #4 | Transport or storage devices | |
| #5 | Railway bodies |
| # | Name | Total Patents |
|---|---|---|
| #1 | Simpson Frank S | 5 |
| #2 | Polster John P | 3 |
| #3 | Cannon William A | 2 |
| #4 | Maxfield Leroy H | 2 |
| #5 | Calame Tracy C | 2 |
| #6 | Stanley Simpson Franklin | 1 |
| #7 | William Bacheldor | 1 |
| Publication | Filing date | Title |
|---|---|---|
| CA1033222A | Grate bar casting for incinerator or other conveyor | |
| US3962977A | Grate bar casting for incinerator or other conveyor | |
| US3473493A | Refuse incinerator | |
| US3289619A | Traveling grates for incinerators | |
| US3198146A | Travelling grates for incinerators | |
| US3200776A | Refuse incinerator | |
| US3289617A | Refuse disposal | |
| US2699130A | Chain grate | |
| US2507749A | Vibrating device for dumping loaded vehicles | |
| US1753475A | Rotary pivoted hammer | |
| US1753474A | Mill pulverizer | |
| US1753473A | Rotary pivoted hammer | |
| US946762A | Chain-grate furnace. | |
| US944454A | Chain-grate furnace. |