| 1133484 | ||||
| 1281405 | ||||
| 1674211 | Clamping device | |||
| 1869265 | Lining ditches and the like | |||
| 1959773 | Burial vault | |||
| 2078753 | Refractory heat insulation | |||
| 2148278 | Receptacle for cooling and transporting liquids | |||
| 2285830 | Safety tank and fuel system for aircraft | |||
| 2321813 | Refractory panel construction | |||
| 2355947 | Storage tank or container and like shell structure | |||
| 2389622 | Wall construction for heaters | |||
| 2531742 | Underground storage tank | |||
| 2677938 | Vacuum-insulated container and process for evacuating same | |||
| 2722120 | Duplex floating wall |
| FR568287A |