| 1/00 | Gas-holders of variable capacity (large containers in general B65D 88/00; storing fluids in natural or artificial cavities or chambers in the earth B65G 5/00) |
| 1/007 | Gas-holders of variable capacity (large containers in general B65D 88/00; storing fluids in natural or artificial cavities or chambers in the earth B65G 5/00) with telescopically movable ring-shaped parts (F17B 1/1 takes precedence; sealing of rings F17B 1/04) |
| 1/013 | Gas-holders of variable capacity (large containers in general B65D 88/00; storing fluids in natural or artificial cavities or chambers in the earth B65G 5/00) with movables discs (F17B 1/1 takes precedence; sealing of discs F17B 1/04) |
| 1/02 | Gas-holders of variable capacity (large containers in general B65D 88/00; storing fluids in natural or artificial cavities or chambers in the earth B65G 5/00) Details |
| 1/04 | Gas-holders of variable capacity (large containers in general B65D 88/00; storing fluids in natural or artificial cavities or chambers in the earth B65G 5/00) Details Sealing devices for sliding parts (in general F16J 15/00) |
| 1/06 | Gas-holders of variable capacity (large containers in general B65D 88/00; storing fluids in natural or artificial cavities or chambers in the earth B65G 5/00) Details Sealing devices for sliding parts (in general F16J 15/00) using sealing liquids |
| 1/08 | Gas-holders of variable capacity (large containers in general B65D 88/00; storing fluids in natural or artificial cavities or chambers in the earth B65G 5/00) Details Sealing devices for sliding parts (in general F16J 15/00) using resilient materials for packing, e.g. leather |
| 1/10 | Gas-holders of variable capacity (large containers in general B65D 88/00; storing fluids in natural or artificial cavities or chambers in the earth B65G 5/00) Details Guiding moving parts |
| 1/12 | Gas-holders of variable capacity (large containers in general B65D 88/00; storing fluids in natural or artificial cavities or chambers in the earth B65G 5/00) Details Gas admission or discharge arrangements |
| 1/14 | Gas-holders of variable capacity (large containers in general B65D 88/00; storing fluids in natural or artificial cavities or chambers in the earth B65G 5/00) Details Safety devices, e.g. prevention of excess pressure |
| 1/16 | Gas-holders of variable capacity (large containers in general B65D 88/00; storing fluids in natural or artificial cavities or chambers in the earth B65G 5/00) of wet type |
| 1/18 | Gas-holders of variable capacity (large containers in general B65D 88/00; storing fluids in natural or artificial cavities or chambers in the earth B65G 5/00) of wet type bell-shaped |
| 1/20 | Gas-holders of variable capacity (large containers in general B65D 88/00; storing fluids in natural or artificial cavities or chambers in the earth B65G 5/00) of wet type telescopic |
| 1/22 | Gas-holders of variable capacity (large containers in general B65D 88/00; storing fluids in natural or artificial cavities or chambers in the earth B65G 5/00) of wet type telescopic spirally-guided |
| 1/24 | Gas-holders of variable capacity (large containers in general B65D 88/00; storing fluids in natural or artificial cavities or chambers in the earth B65G 5/00) of dry type |
| 1/26 | Gas-holders of variable capacity (large containers in general B65D 88/00; storing fluids in natural or artificial cavities or chambers in the earth B65G 5/00) of dry type with flexible walls, e.g. bellows (connection of valves to inflatable elastic bodies B60C 29/00) |