David Shepard
19Patents
3h-index
19Co-inventors
57Inventor score
Filing activity: Oct 18, 1976 → May 10, 2022
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4099943A | Composite fluid filtering medium and method of making | Emerging Cross-Sectional Technologies | 27 | Expired |
| US9995167B2 | Turbine blade monitoring | Physics | 7 | Active |
| US9784827B2 | Foreign object debris detection system and method | Physics | 3 | Active |
| US10232348B2 | Doped catalyst support materials having oxygen storage capacity (OSC) and method of making thereof | Emerging Cross-Sectional Technologies | 3 | Active |
| US10328421B2 | Alumina silicate zeolite-type material having prolonged acid strength for use as a catalyst in selective catalytic reduction and process of making thereof | Performing Operations; Transporting | 0 | Active |
| US11635009B2 | Method of making mesoporous oxygen storage materials for exhaust gas treatment; said oxygen storage materials and their use | Emerging Cross-Sectional Technologies | 0 | Active |
| US12424703B2 | Inorganic materials for composite separator in electrochemical cells | Emerging Cross-Sectional Technologies | 0 | Active |
| US12060280B2 | Method of making AEI-type zeolites having a high silica to alumina ratio (SAR) | Chemistry; Metallurgy | 0 | Active |
| US10702849B2 | Nano-rare earth oxide doped support for trapping of NOx and/or SOx | Emerging Cross-Sectional Technologies | 0 | Active |
| US12350643B2 | Electrolyte treatment system and method | Emerging Cross-Sectional Technologies | 0 | Active |
| US11224863B2 | Catalyst comprising ceria-zirconia-oxygen storage material and process for its production | Emerging Cross-Sectional Technologies | 0 | Active |
| US11883804B2 | Method of making SSZ-13 zeolites with high acidity and low silica to alumina ratio (SAR) | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10882755B2 | Method of making mesoporous zirconium-based mixed oxides | Chemistry; Metallurgy | 0 | Active |
| US12227428B2 | Nanocrystal-sized cerium-zirconium-aluminum oxide material and method of making the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US12129182B2 | Nanocrystal-sized cerium-zirconium oxide material and method of making the same | Emerging Cross-Sectional Technologies | 0 | Active |
| US12021237B2 | Inorganic materials for use in a lithium-ion secondary battery | Emerging Cross-Sectional Technologies | 0 | Active |
| US12319582B2 | Method of making AEI-type zeolites having a high silica to alumina molar ratio (SAR) | Chemistry; Metallurgy | 0 | Active |
| US11904303B2 | Method of making AFX zeolites having high thermal stability | Mechanical Engineering; Lighting; Heating | 0 | Active |
| US10344140B2 | Process for producing nano-scale crystalline boehmite | Chemistry; Metallurgy | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.