Ludwig Offermann
4Patents
2h-index
10Co-inventors
41Inventor score
Filing activity: Feb 5, 1979 → Nov 22, 1991
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4296938A | Immersion-type seal for the standpipe opening of coke ovens | Chemistry; Metallurgy | 76 | Expired |
| US4713148A | Light construction plug for coke oven doors | Chemistry; Metallurgy | 4 | Expired |
| US5259932A | Heating system for regenerative coke ovens | Emerging Cross-Sectional Technologies | 2 | Expired |
| US4265709A | Method and apparatus for separating gases and solids during the carbonization of coal | Emerging Cross-Sectional Technologies | 0 | Expired |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.