| # | Country | Total Patents | |
|---|---|---|---|
| #1 | United States | 7 | |
| #2 | Canada | 5 | |
| #3 | Germany | 1 |
| # | Industry | |
|---|---|---|
| #1 | Civil engineering | |
| #2 | Machines | |
| #3 | Mechanical elements | |
| #4 | Transport |
| # | Technology | |
|---|---|---|
| #1 | Swimming pools | |
| #2 | Nails | |
| #3 | Unspecified technologies | |
| #4 | Vehicle air-treating devices |
| # | Name | Total Patents |
|---|---|---|
| #1 | Kirkham Arthur J | 12 |
| #2 | J Kirkham Arthur | 1 |
| Publication | Filing date | Title |
|---|---|---|
| US4102352A | Insulated tent | |
| US3874396A | Tentage structure | |
| US3965915A | Tent structure | |
| US3699986A | Modular shelter system | |
| US3674294A | Clamping telescopic tubes | |
| US3155318A | Accessory heating system for tractors and similar equipment | |
| US3128781A | Tent | |
| CA799222A | Tents and methods of erection | |
| CA718689A | Tent | |
| CA707213A | Accessory heating system for tractors and similar equipment | |
| CA799223A | Tent support and method of erection |