Helmut Eberhardt
9Patents
4h-index
19Co-inventors
54Inventor score
Filing activity: May 25, 1976 → Apr 20, 2011
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4740385A | Apparatus for producing coils from films of insulating material, conductively coated in a vacuum | Emerging Cross-Sectional Technologies | 18 | Expired |
| US6056826A | Vacuum coating device for coating substrates on all sides | Chemistry; Metallurgy | 9 | Expired |
| US4069143A | Purification apparatus for water purification and purification system therefor | Chemistry; Metallurgy | 8 | Expired |
| US6187160A | Apparatus for the coating of substrates in a vacuum chamber | Electricity | 5 | Expired |
| US6677560B2 | Apparatus for inductively heating a workpiece | Emerging Cross-Sectional Technologies | 4 | Expired |
| US6689995B2 | Apparatus and method for healing a workpiece of metal | Emerging Cross-Sectional Technologies | 4 | Expired |
| US9644259B2 | Apparatus for coating substrates using the EB/PVD method | Electricity | 1 | Active |
| US4815415A | Apparatus for producing coils from films of insulating material, conductively coated under vacuum | Emerging Cross-Sectional Technologies | 0 | Expired |
| US5044217A | Bevel gear drive | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.