André Witzmann
15Patents
4h-index
15Co-inventors
57Inventor score
Filing activity: Jan 15, 1998 → Apr 29, 2023
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6055829A | Process for producing a desired breaking point on a glass body | Chemistry; Metallurgy | 129 | Expired |
| US5902368A | Method for the heat-softened severance of glass tubes or plates | Chemistry; Metallurgy | 12 | Expired |
| US7414740B2 | Method and apparatus for contactless optical measurement of the thickness of a hot glass body by optical dispersion | Physics | 7 | Active |
| US6674043B2 | Method and apparatus for marking glass with a laser | Chemistry; Metallurgy | 6 | Expired |
| US8872870B2 | Method and apparatus for marking glass | Physics | 4 | Active |
| US10670855B2 | Method and apparatus for imaging the inner contour of a tube | Physics | 0 | Active |
| US11613489B2 | Glass tube element with improved quality | Chemistry; Metallurgy | 0 | Active |
| US12181270B2 | Inspection device for cylindrical bodies | Physics | 0 | Active |
| US11614181B2 | Glass tube element with improved quality | Chemistry; Metallurgy | 0 | Active |
| US12043561B2 | Glass tube element with improved quality | Chemistry; Metallurgy | 0 | Active |
| US12240777B2 | Glass tube | Chemistry; Metallurgy | 0 | Active |
| US11872188B2 | Method for manufacturing a glass tube semi-finished product or a hollow glass product made therefrom with markings, and uses of the same | Chemistry; Metallurgy | 0 | Active |
| US11673823B2 | Glass tube element with improved quality | Chemistry; Metallurgy | 0 | Active |
| US11975999B2 | Method for further processing of a glass tube semi-finished product including thermal forming | Chemistry; Metallurgy | 0 | Active |
| US11542195B2 | Method for manufacturing a hollow glass product from a glass tube semi-finished product having markings, and uses of the same | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.