Bieri Pumpenbau AG
4Patents
0Active
4Granted
25Portfolio score
Filing activity: Jul 3, 1975 → Nov 21, 1988
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US3979788A | Mobile machine for cleaning swimming pools | Fixed Constructions | 61 | Expired |
| US4878804A | Circulating pump | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US4815150A | Double-urinal flushing apparatus and method for automatic operation | Fixed Constructions | 5 | Expired |
| US4918762A | Double-urinal flushing apparatus and method for automatic operation | Fixed Constructions | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.