| 2591902 | Washing and cooling means for the plungers of high-pressure homogenizer pumps and the like | |||
| 2372694 | High-pressure fluid pump | |||
| 2359486 | Single-action high-speed multicylinder pump | |||
| 2331513 | Slush pump | |||
| 2272862 | Plunger packing | |||
| 2146709 | Pump for viscolizer valves | |||
| 2081224 | Pressure pump | |||
| 1977075 | Piston | |||
| 1792646 | Piston or plunger rod washing apparatus | |||
| 1584843 | Slush-pump structure | |||
| 0138723 | N/A |
| DE101233C |