Hans Huber AG
4Patents
0Active
4Granted
25Portfolio score
Filing activity: May 17, 1985 → Jan 16, 2006
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4634524A | Device for removing screened or sifted material from liquid flowing in a gutter | Performing Operations; Transporting | 18 | Expired |
| US5341826A | Apparatus for compressing and washing contaminated raked-off or screened material, particularly in sewage treatment plants | Fixed Constructions | 10 | Expired |
| US7332081B2 | Filter device for the clarification of contaminated liquids | Performing Operations; Transporting | 1 | Expired |
| US6739458B2 | Device for dehydrating sludge | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.