GraftTech Inc.
27Patents
0Active
27Granted
33Portfolio score
Filing activity: Jan 2, 1998 → Mar 25, 2002
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6503626B1 | Graphite-based heat sink | Emerging Cross-Sectional Technologies | 94 | Expired |
| US6538892B2 | Radial finned heat sink | Electricity | 81 | Expired |
| US6395199B1 | Process for providing increased conductivity to a material | Electricity | 63 | Expired |
| US6228914A | Intumescent composition and method | Chemistry; Metallurgy | 45 | Expired |
| US6432336B1 | Flexible graphite article and method of manufacture | Emerging Cross-Sectional Technologies | 32 | Expired |
| US6460310B1 | Composite I-beam having improved properties | Fixed Constructions | 31 | Expired |
| US6463814B1 | Bioaerosol slit impaction sampling device | Physics | 29 | Expired |
| US6604457B2 | Process and apparatus for embossing graphite articles | Emerging Cross-Sectional Technologies | 19 | Expired |
| US6406612B1 | Expandable graphite and method | Chemistry; Metallurgy | 16 | Expired |
| US6521369B1 | Flooding-reducing fuel cell electrode | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6528199B1 | Graphite article useful as an electrode for an electrochemical fuel cell | Emerging Cross-Sectional Technologies | 16 | Expired |
| US6413663B1 | Fluid permeable flexible graphite fuel cell electrode | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6254993A | Flexible graphite sheet with decreased anisotropy | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6503652B2 | Fuel cell assembly method with selective catalyst loading | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6605379B1 | Hydrophobic fuel cell electrode | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6506484B1 | Fluid permeable flexible graphite article with enhanced electrical and thermal conductivity | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6517964B2 | Catalyst support material for fuel cell | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6468686B1 | Fluid permeable flexible graphite fuel cell electrode with enhanced electrical and thermal conductivity | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6410128B1 | Flexible graphite capacitor element | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6479182B1 | Fuel cell electrode assembly with selective catalyst loading | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6548156B2 | Fluid permeable flexible graphite article with enhanced electrical and thermal conductivity | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6416815B2 | Expandable graphite and method | Chemistry; Metallurgy | 6 | Expired |
| US6413601B1 | Thermal insulating device | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6555271B1 | Anode for lithium-ion battery | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6592982B2 | Flexible graphite capacitor element | Emerging Cross-Sectional Technologies | 2 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.