Helmut Leber
11Patents
7h-index
17Co-inventors
63Inventor score
Filing activity: Feb 17, 1989 → Jun 25, 2009
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5562774A | Coated quartz glass component | Emerging Cross-Sectional Technologies | 32 | Expired |
| US4923497A | Method for the continuous production of a tube or rod of vitreous fused silica | Emerging Cross-Sectional Technologies | 20 | Expired |
| US5364432A | Method for producing a composite glass body with drawing of concentric melts | Emerging Cross-Sectional Technologies | 20 | Expired |
| US4956059A | Process for the purification of granular silicon dioxide | Chemistry; Metallurgy | 15 | Expired |
| US7955715B2 | Method for coating a component for use in a crucible drawing method for quartz glass, and coated component obtained according to the method | Emerging Cross-Sectional Technologies | 12 | Active |
| US6684664B2 | Process for manufacture of a component made of opaque synthetic quartz glass | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5171343A | Method for the tool-free reshapingof a tubular body | Emerging Cross-Sectional Technologies | 10 | Expired |
| US5429653A | Method of partially introverting a multiple layer tube to form an optical fiber preform | Emerging Cross-Sectional Technologies | 3 | Expired |
| US5904182A | Methods and apparatus for providing quartz glass connectors | Mechanical Engineering; Lighting; Heating | 1 | Expired |
| US8613207B2 | Method and apparatus for producing a quartz glass cylinder | Chemistry; Metallurgy | 1 | Active |
| US6216492A | Methods and apparatus for providing quartz glass connectors | Chemistry; Metallurgy | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.