Charles Pershing Beetz
27Patents
13h-index
18Co-inventors
78Inventor score
Filing activity: Dec 19, 1985 → Dec 1, 2020
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5973444A | Carbon fiber-based field emission devices | Emerging Cross-Sectional Technologies | 191 | Expired |
| US5872422A | Carbon fiber-based field emission devices | Emerging Cross-Sectional Technologies | 119 | Expired |
| US5997713A | Silicon etching process for making microchannel plates | Emerging Cross-Sectional Technologies | 84 | Expired |
| US5006914A | Single crystal semiconductor substrate articles and semiconductor devices comprising same | Electricity | 65 | Expired |
| US5030583A | Method of making single crystal semiconductor substrate articles and semiconductor device | Emerging Cross-Sectional Technologies | 51 | Expired |
| US5989406A | Magnetic memory having shape anisotropic magnetic elements | Emerging Cross-Sectional Technologies | 46 | Expired |
| US6384519B1 | Micro-dynode integrated electron multiplier | Electricity | 39 | Expired |
| US5741435A | Magnetic memory having shape anisotropic magnetic elements | Emerging Cross-Sectional Technologies | 31 | Expired |
| US8939388B1 | Methods and apparatus for low heat spray drying | Mechanical Engineering; Lighting; Heating | 30 | Active |
| US6031250A | Integrated circuit devices and methods employing amorphous silicon carbide resistor materials | Emerging Cross-Sectional Technologies | 30 | Expired |
| US5051785A | N-type semiconducting diamond, and method of making the same | Electricity | 27 | Expired |
| US6045677A | Microporous microchannel plates and method of manufacturing same | Chemistry; Metallurgy | 27 | Expired |
| US9551527B2 | Methods and apparatus for low heat spray drying | Performing Operations; Transporting | 19 | Active |
| US9332776B1 | Methods and apparatus for low heat spray drying | Performing Operations; Transporting | 12 | Active |
| US5122509A | High temperature superconductor/diamond composite article, and method of making the same | Emerging Cross-Sectional Technologies | 10 | Expired |
| US9861945B1 | Ultrahigh efficiency spray drying apparatus and process | Performing Operations; Transporting | 10 | Active |
| US9993787B1 | Ultrahigh efficiency spray drying apparatus and process | Performing Operations; Transporting | 8 | Active |
| US6268229A | Integrated circuit devices and methods employing amorphous silicon carbide resistor materials | Emerging Cross-Sectional Technologies | 7 | Expired |
| US5424126A | Thin inorganic fibers | Emerging Cross-Sectional Technologies | 5 | Expired |
| US10252181B2 | Ultrahigh efficiency spray drying apparatus and process | Mechanical Engineering; Lighting; Heating | 4 | Active |
| US10155234B1 | Ultrahigh efficiency spray drying apparatus and process | Performing Operations; Transporting | 4 | Active |
| US10486173B2 | Ultrahigh efficiency spray drying apparatus and process | Performing Operations; Transporting | 3 | Active |
| US6750153B2 | Process for producing macroscopic cavities beneath the surface of a silicon wafer | Electricity | 2 | Expired |
| US10569244B2 | Low temperature spray drying of carrier-free compositions | Performing Operations; Transporting | 2 | Active |
| US10625281B2 | Ultrahigh efficiency spray drying apparatus and process | Performing Operations; Transporting | 2 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.