SGL Carbon AG
68Patents
11Active
68Granted
42Portfolio score
Filing activity: Mar 11, 1998 → Dec 16, 2008 · 11 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7582166B2 | Holder for supporting wafers during semiconductor manufacture | Electricity | 43 | Expired |
| US7238414B2 | Fiber-reinforced composite for protective armor, and method for producing the fiber-reinforced composition and protective armor | Emerging Cross-Sectional Technologies | 34 | Expired |
| US6908667B2 | Fiber-reinforced material composed, at least in a surface region, of a metal/ceramic composite, molding composed of the fiber-reinforced material and method of producing the fiber-reinforced material | Emerging Cross-Sectional Technologies | 27 | Expired |
| US7011888B2 | Process for protecting fiber-reinforced carbon-containing composites against oxidation | Emerging Cross-Sectional Technologies | 24 | Expired |
| US7276284B2 | Carbon fiber reinforced coke from the delayed coker | Emerging Cross-Sectional Technologies | 24 | Expired |
| US7128963B2 | Ceramic composite body, method for fabricating ceramic composite bodies, and armor using ceramic composite bodies | Emerging Cross-Sectional Technologies | 20 | Expired |
| US6565099B1 | Multilayered gasket with eyelit | Mechanical Engineering; Lighting; Heating | 20 | Expired |
| US6759117B2 | Multilayer ceramic composite and process for forming the composite | Emerging Cross-Sectional Technologies | 20 | Expired |
| US7121076B2 | Flyer bow for wire bunching or wire stranding machines | Textiles; Paper | 19 | Expired |
| US6709736B2 | Armored products made of fiber-reinforced composite material with ceramic matrix | Emerging Cross-Sectional Technologies | 17 | Expired |
| US6053718A | Geared pump for conveying fluids | Mechanical Engineering; Lighting; Heating | 16 | Expired |
| US6962349B2 | Gasket for flange connections | Performing Operations; Transporting | 13 | Expired |
| US7144476B2 | Carbon fiber electrode substrate for electrochemical cells | Emerging Cross-Sectional Technologies | 13 | Expired |
| US6746771B2 | Impregnated bodies made of expanded graphite, process for producing such bodies and sealing elements, fuel cell components and heat-conducting elements formed of the bodies | Emerging Cross-Sectional Technologies | 13 | Expired |
| US7138190B2 | Composite containing reinforcing fibers comprising carbon | Emerging Cross-Sectional Technologies | 12 | Expired |
| US7582345B2 | Hinge apparatus | Emerging Cross-Sectional Technologies | 11 | Active |
| US7004753B2 | Gas seal for reactors employing gas guide bodies and reactor having the gas seal | Mechanical Engineering; Lighting; Heating | 11 | Expired |
| US6579626B1 | Layered composite with welded intermediate metal layer, gasket, gasket sheet, metal layer and method of manufacturing a layered composite | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6527092B2 | Method for producing brake discs formed of ceramic parts with metal hubs and brake disc produced according to the method | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6703117B2 | Friction body or sliding body formed from composite materials reinforced with fiber bundles and containing a ceramics matrix and process for the production of a friction or sliding body | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7235301B2 | Latent heat storage material, latent heat storage unit containing the material, processes for producing the material and the unit and processes for using the material | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6400057B2 | Slip-ring configuration in electric motors and generators, slip-ring body and method for retooling slip-ring bodies | Electricity | 9 | Expired |
| US6641693B2 | Process for producing structural parts, structural part produced by the process, thermal insulation cylinder, protective tube, heating element, stay pipe, hot-press die and thermal insulation element | Chemistry; Metallurgy | 9 | Expired |
| US6706437B2 | Bipolar plates for fuel cell stacks | Emerging Cross-Sectional Technologies | 8 | Expired |
| US7708805B2 | Method of producing carbon fibers, and methods of making protective clothing and a filter module | Emerging Cross-Sectional Technologies | 8 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.