| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 16 | |
| #2 | Canada | 1 |
| # | Industry | |
|---|---|---|
| #1 | Packaging and shipping | |
| #2 | Agriculture | |
| #3 | Machines | |
| #4 | Mechanical elements | |
| #5 | Furniture and games |
| # | Name | Total Patents |
|---|---|---|
| #1 | Camp Dempsie C | 7 |
| #2 | Robinson Jr William W | 5 |
| #3 | Swingle Donald R | 4 |
| #4 | Robinson William W | 3 |
| #5 | Robinson Charles T | 3 |
| #6 | Mckenney Fred Y | 2 |
| #7 | Kimbrough Jacob C | 1 |
| #8 | Camp Dempsle C | 1 |
| #9 | Robinson William W Jr | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US3234912A | Hopper feed regulator | |
| US3189164A | Chain construction | |
| US3157273A | Corner direction changer | |
| US3161286A | Automatic conveyer cutoff | |
| US3144001A | Hog-type broiler feeder | |
| US3081898A | Doorstep box | |
| US2868222A | Double action automatic watering valve | |
| US2853202A | Wire carrying case for glass bottles | |
| US2821166A | Uniform heat type rectangular brooder | |
| US2894717A | Double action automatic watering valve | |
| US2752062A | Carrying case | |
| US2326701A | Crate | |
| US2326700A | Crate | |
| US2216417A | Container structure | |
| US2247620A | Bottle crate | |
| US2161072A | Container structure | |
| CA743791A | Chain construction |