Including A Filter Patents (Class 210/295)
- Alternate filters and traps in series (Class 210/300)
- Flow-line valve upstream of separator (Class 210/302)
- Cut-off sediment trap (Class 210/303)
- Tangential flow, spiral or convolute baffle (Class 210/304)
- Baffle preceding or within sediment trap (Class 210/305)
- Downstream of filter medium (Class 210/307)
- Directly communicating with tubular filter interior (Class 210/308)
- Lateral trap (Class 210/310)
- Downflow inlet, upflow through filter medium (Class 210/311)
- Sediment discharge means (Class 210/312)