Portable Vessels Patents (Class 169/30)
- With means facilitating total discharge (Class 169/72)
- With particular outlet structure (Class 169/74)
- With means preventing accidental discharge, relieving pressure, or indicating condition within vessel (Class 169/75)
- With means permitting repeated discharge (Class 169/76)
- Power extinguishant (Class 169/77)
- Produced by chemical mixing (Class 169/78)
- Produced by combustion (Class 169/84)
- Pressurizing agent stored apart from agent (Class 169/85)
- Discharge head (Class 169/89)