Heraeus Tenevo LLC
12Patents
1Active
12Granted
33Portfolio score
Filing activity: Jul 21, 1997 → Dec 26, 2012
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7089765B2 | Method of making a jacketed preform for optical fibers using OVD | Chemistry; Metallurgy | 34 | Expired |
| US7238089B2 | Polishing method for inner surface of tubular brittle material and tubular brittle material obtained by polishing method | Performing Operations; Transporting | 23 | Expired |
| US6938443B1 | Method for the manufacture of a quartz glass preform for an optical fiber | Chemistry; Metallurgy | 14 | Expired |
| US6938442B1 | Method for elongating a cylinder of silica glass | Chemistry; Metallurgy | 13 | Expired |
| US6715317B1 | Process and apparatus for the production of a cylindrical component of glass | Chemistry; Metallurgy | 10 | Expired |
| US7028508B2 | Method for producing an optical fiber and optical fiber | Emerging Cross-Sectional Technologies | 5 | Expired |
| US6608309B2 | Method for measuring concentration of trace amount of OH-groups contained in quartz glass | Physics | 1 | Expired |
| US9212082B2 | System and method for fabricating optical fiber preform and optical fiber | Emerging Cross-Sectional Technologies | 0 | Active |
| US7133591B2 | Jacket tube made of synthetically produced quartz glass and optical fibres produced using said jacket tube | Chemistry; Metallurgy | 0 | Expired |
| US7310975B2 | Method and device for producing a cylindrical body consisting of quartz glass | Chemistry; Metallurgy | 0 | Expired |
| US7006552B2 | Resistance furnace with tubular heating element | Mechanical Engineering; Lighting; Heating | 0 | Expired |
| US6923025B2 | Device for sintering a shaped body | Mechanical Engineering; Lighting; Heating | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.