Derek E. Tyler
92Patents
19h-index
50Co-inventors
87Inventor score
Filing activity: Sep 26, 1974 → Oct 26, 2006
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5608267A | Molded plastic semiconductor package including heat spreader | Electricity | 268 | Expired |
| US4766813A | Metal shaped charge liner with isotropic coating | Mechanical Engineering; Lighting; Heating | 77 | Expired |
| US5098487A | Copper alloys for shaped charge liners | Mechanical Engineering; Lighting; Heating | 58 | Expired |
| US4229210A | Method for the preparation of thixotropic slurries | Emerging Cross-Sectional Technologies | 45 | Expired |
| US4161206A | Electromagnetic casting apparatus and process | Performing Operations; Transporting | 41 | Expired |
| US5950064A | Lead-free shot formed by liquid phase bonding | Performing Operations; Transporting | 41 | Expired |
| US5381847A | Vertical casting process | Emerging Cross-Sectional Technologies | 38 | Expired |
| US5399805A | Metal electronic package with reduced seal width | Electricity | 37 | Expired |
| US4434837A | Process and apparatus for making thixotropic metal slurries | Chemistry; Metallurgy | 37 | Expired |
| US4482012A | Process and apparatus for continuous slurry casting | Chemistry; Metallurgy | 31 | Expired |
| US4289946A | Electromagnetic casting apparatus | Electricity | 27 | Expired |
| US4465118A | Process and apparatus having improved efficiency for producing a semi-solid slurry | Chemistry; Metallurgy | 26 | Expired |
| US4457354A | Mold for use in metal or metal alloy casting systems | Performing Operations; Transporting | 25 | Expired |
| US4709746A | Process and apparatus for continuous slurry casting | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4450893A | Method and apparatus for casting metals and alloys | Emerging Cross-Sectional Technologies | 23 | Expired |
| US4265294A | Duflex impedance shield for shape control in electromagnetic casting | Performing Operations; Transporting | 22 | Expired |
| US4457355A | Apparatus and a method for making thixotropic metal slurries | Performing Operations; Transporting | 22 | Expired |
| US5324888A | Metal electronic package with reduced seal width | Electricity | 22 | Expired |
| US7182823B2 | Copper alloy containing cobalt, nickel and silicon | Electricity | 21 | Expired |
| US4607682A | Mold for use in metal or metal alloy casting systems | Performing Operations; Transporting | 16 | Expired |
| US4419177A | Process for electromagnetically casting or reforming strip materials | Chemistry; Metallurgy | 15 | Expired |
| US4165235A | Method for inline degassing and filtration of molten metal | Chemistry; Metallurgy | 15 | Expired |
| US5015438A | Extrusion of metals | Chemistry; Metallurgy | 14 | Expired |
| US6569543B2 | Copper foil with low profile bond enahncement | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6083633A | Multi-layer diffusion barrier for a tin coated electrical connector | Emerging Cross-Sectional Technologies | 12 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.