Separatory Patents (Class 202/152)
- Recovery from containers (Class 202/164)
- Still and stove (Class 202/165)
- Still and stand boiler (Class 202/166)
- Still and feed-water heater (Class 202/167)
- Still and extractor (Class 202/168)
- Still extractor (Class 202/170)
- Plural (Class 202/172)
- With agitator (Class 202/175)
- With distilland treating devices (Class 202/176)
- With vapor-treating devices (Class 202/182)
- Still and absorber (Class 202/183)
- Condenser (Class 202/185.1)
- Direct contact (Class 202/185.2)
- Air condensers (Class 202/185.3)
- Circulating coolant in cap or top closure (Class 202/185.4)
- Helical coil for vapor stream (Class 202/185.5)
- Helical coil for coolant (Class 202/185.6)
- Plural (Class 202/186)
- Concentric with still (Class 202/187)
- Still supporting (Class 202/188)
- Still supported (Class 202/189)
- Still feeding (Class 202/195)
- With separator (Class 202/197)
- Dephlegmator (Class 202/198)
- Doubler (Class 202/199)
- Filter (Class 202/200)
- Aerator (Class 202/201)
- With condensate-treating devices (Class 202/202)
- Vacuum (Class 202/205)
- Automatic heat control (Class 202/206)