Charles A. Willus
9Patents
6h-index
10Co-inventors
60Inventor score
Filing activity: Sep 18, 1975 → Feb 17, 2017
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4067494A | Nozzle type centrifugal machine with improved slurry pumping chambers | Performing Operations; Transporting | 28 | Expired |
| US4005817A | Nozzle type centrifuge | Performing Operations; Transporting | 20 | Expired |
| US4525274A | Filtrate discharge system for pressure filter | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6719390B1 | Short delay phased firing to reduce crosstalk in an inkjet printing device | Performing Operations; Transporting | 9 | Expired |
| US4430071A | Feed seal for bottom feed centrifuge | Performing Operations; Transporting | 8 | Expired |
| US6394589B1 | Ink jet printhead with reduced crosstalk | Performing Operations; Transporting | 7 | Expired |
| US9944070B1 | Determination of a maximum jetting frequency for an inkjet head | Performing Operations; Transporting | 4 | Active |
| US6932458B2 | Obtaining high frequency performance by controlling chamber pressure | Performing Operations; Transporting | 2 | Expired |
| US6893112B2 | Structurally isolated inertial transducers for a printing system | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.