WATSON MARLOW GMBH
34Patents
30Active
34Granted
51Portfolio score
Filing activity: May 25, 1978 → Aug 19, 2022 · 5 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6494692B1 | Peristaltic pumps | Mechanical Engineering; Lighting; Heating | 40 | Expired |
| USD826283S1 | Fluid pump head with a removable cartridge | General | 27 | Active |
| USD826282S1 | Fluid pump head | General | 26 | Active |
| USD710901S1 | Pump | General | 21 | Active |
| US6019582A | Peristaltic pump having an elastic adjustable rotor body | Mechanical Engineering; Lighting; Heating | 21 | Expired |
| US4193398A | Fluid displacement | Human Necessities | 17 | Expired |
| USD826281S1 | Fluid pump with head and cartridge | General | 16 | Active |
| USD871455S1 | Fluid pump | General | 16 | Active |
| USD788178S1 | Front cover portion of a positive displacement pump assembly | General | 13 | Active |
| USD826284S1 | Cartridge for use with a fluid pump | General | 12 | Active |
| USD730408S1 | Combined pump unit and pump cartridge assembly | General | 9 | Active |
| USD788179S1 | Axial ridged housing portion of a positive displacement pump assembly | General | 8 | Active |
| USD787561S1 | Pump portion of a positive displacement pump assembly | General | 8 | Active |
| USD789422S1 | Central ring portion of a positive displacement pump | General | 7 | Active |
| USD766988S1 | Pump cartridge | General | 6 | Active |
| USD735241S1 | Pump cartridge | General | 5 | Active |
| US8905730B2 | Peristaltic pump | Human Necessities | 5 | Active |
| US8403656B2 | Vane pump consisting of a two-part stator | Mechanical Engineering; Lighting; Heating | 4 | Expired |
| US9822775B2 | Peristaltic pump and pumphead therefor | Emerging Cross-Sectional Technologies | 3 | Active |
| US9562528B2 | Leak detector for a persitaltic pump | Mechanical Engineering; Lighting; Heating | 3 | Active |
| USD766990S1 | Pump drive unit and cartridge | General | 3 | Active |
| US8985981B2 | Rotary displacement pump for pumping solids emulsions, especially liquid explosives | Mechanical Engineering; Lighting; Heating | 3 | Active |
| USD766989S1 | Pump drive unit | General | 2 | Active |
| US10344752B2 | Peristaltic pump having a leaking tube detecting chamber | Mechanical Engineering; Lighting; Heating | 1 | Active |
| US11953011B2 | Pump with a conveyor device at least for conveying a fluid, and such a conveyor device | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.