Fluid Handling Or Treatment Equipment Patents (Class D23/200)
- Sprinkler for lawn, agricultural irrigation or fire extinguishing (5) (Class D23/214)
- Simulative (Class D23/222)
- Hand held or controlled type (Class D23/223)
- Combined (Class D23/228)
- Provision for adjustment of spray pattern or flow (Class D23/229)
- Ball and socket joint for adjustment (Class D23/230)
- Hydrant (Class D23/234)
- Pressure regulating or relieving (Class D23/235)
- Ballcock or float type (Class D23/236)
- Check (Class D23/237)
- Faucet fixture (7) (Class D23/238)
- Gate or butterfly type (Class D23/244)
- Manual or visible mechanical control or with provision therefor (e.g., handle, lever, etc.) (Class D23/245)
- Symmetrical on two or more axes (Class D23/247)
- Symmetrical on one axis (Class D23/248)
- Element or attachment (Class D23/249)