John P. Day
9Patents
8h-index
11Co-inventors
66Inventor score
Filing activity: Jul 27, 1983 → Nov 29, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4483944A | Aluminum titanate-mullite ceramic articles | Emerging Cross-Sectional Technologies | 79 | Expired |
| US4855265A | High temperature low thermal expansion ceramic | Chemistry; Metallurgy | 43 | Expired |
| US4670297A | Evaporated thick metal and airbridge interconnects and method of manufacture | Electricity | 34 | Expired |
| US5022991A | Thermite coated filter | Emerging Cross-Sectional Technologies | 25 | Expired |
| US8974724B2 | Aluminum titanate batch compositions and method | Emerging Cross-Sectional Technologies | 19 | Active |
| US5281462A | Material, structure, filter and catalytic converter | Emerging Cross-Sectional Technologies | 14 | Expired |
| US6089014A | Engine exhaust system with reduced hydrocarbon emissions | Emerging Cross-Sectional Technologies | 12 | Expired |
| US4681624A | Method of filtering molten metals using a monolithic refractory honeycomb filter | Emerging Cross-Sectional Technologies | 11 | Expired |
| US4915887A | Method of preparing high temperature low thermal expansion ceramic | Chemistry; Metallurgy | 8 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.