BellandTechnology AG
46Patents
4Active
46Granted
39Portfolio score
Filing activity: Aug 5, 1981 → Oct 2, 2017 · 1 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4551384A | Boards | Emerging Cross-Sectional Technologies | 53 | Expired |
| US5079950A | Level indicating in vehicle holding tanks | Emerging Cross-Sectional Technologies | 41 | Expired |
| US4475936A | Apparatus for the heat processing of particulate materials | Chemistry; Metallurgy | 37 | Expired |
| US4819279A | Vacuum toilet system | Fixed Constructions | 36 | Expired |
| US6212700A | Portable toilet unit | Fixed Constructions | 36 | Expired |
| US4778529A | Cementitious compositions comprising a water soluble polymer and a cross-linking agent therefor | Emerging Cross-Sectional Technologies | 28 | Expired |
| US7648609B2 | Adhesive and its use | Chemistry; Metallurgy | 23 | Active |
| US6148860A | Low volume vacuum toilet assembly | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5345618A | Vacuum toilet system | Fixed Constructions | 19 | Expired |
| US5139655A | Integrated system marine sanitation device | Fixed Constructions | 17 | Expired |
| US6082979A | Air pump for vacuum toilet systems | Fixed Constructions | 16 | Expired |
| US5408704A | Low volume vacuum toilet assembly | Emerging Cross-Sectional Technologies | 15 | Expired |
| US4880467A | Cementitious dough or paste comprising at least one hydraulic element and at least one polymer latex | Emerging Cross-Sectional Technologies | 15 | Expired |
| US5621924A | Vacuum tank construction for a vacuum toilet assembly | Fixed Constructions | 15 | Expired |
| US5931642A | Plastic combined vacuum and holding tank | Fixed Constructions | 15 | Expired |
| US6883188B2 | Toilet and method of operation | Fixed Constructions | 14 | Expired |
| US5681148A | Vacuum/holding tank | Fixed Constructions | 11 | Expired |
| US6234197A | Holding tank vacuum relief | Emerging Cross-Sectional Technologies | 10 | Expired |
| US4672690A | Vacuum tank construction for self-contained sewage handling apparatus | Emerging Cross-Sectional Technologies | 10 | Expired |
| USD319493S | Lavatory | General | 10 | Expired |
| US6397407B1 | Vacuum toilet system with single pump | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6374431B1 | Vacuum toilet system with single pump | Emerging Cross-Sectional Technologies | 9 | Expired |
| US5937888A | Toilet waste collection system for campgrounds | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5433163A | Pump out adaptor | Performing Operations; Transporting | 8 | Expired |
| US5860799A | Pulsation damper for marine tank pumpout systems | Emerging Cross-Sectional Technologies | 8 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.