| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 18 |
| # | Industry | |
|---|---|---|
| #1 | Thermal processes | |
| #2 | Chemical engineering | |
| #3 | Packaging and shipping | |
| #4 | Machines | |
| #5 | Consumer goods | |
| #6 | Textiles and paper |
| # | Technology | |
|---|---|---|
| #1 | Furnaces | |
| #2 | Details of furnaces | |
| #3 | Smoking accessories | |
| #4 | Separation | |
| #5 | Milling | |
| #6 | Unspecified technologies | |
| #7 | Separating solids | |
| #8 | Labelling machines | |
| #9 | Containers for goods storage | |
| #10 | Making paper containers |
| # | Name | Total Patents |
|---|---|---|
| #1 | Ladd Lester L | 18 |
| Publication | Filing date | Title |
|---|---|---|
| US2307322A | Kiln | |
| US2274240A | Suspended arch for furnaces | |
| US2252381A | Container | |
| US2262292A | Method of and apparatus for sealing pasteboard cans | |
| US2199242A | Cigarette holder and dispenser | |
| US2127742A | Tunnel kiln | |
| US2003451A | Kiln | |
| US2003450A | Conveyer for kilns | |
| US1903119A | Kiln furniture | |
| US1903117A | Kiln | |
| US1903118A | Kiln | |
| US1879808A | Kiln furniture | |
| US1842411A | Monorail conveyer for annular kilns | |
| US1599536A | Pouring-spout can | |
| US1622386A | Grain-sorting device | |
| US1584869A | Grain-cutting apparatus | |
| US1480685A | Dust collector | |
| US1227158A | Labeling-machine. |