Henri Klein
13Patents
4h-index
24Co-inventors
60Inventor score
Filing activity: Nov 29, 1982 → Apr 8, 2019
Most-cited inventions
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4434005A | Method of and apparatus for refining a melt containing solid cooling material | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4730784A | Oxygen blast nozzle | Chemistry; Metallurgy | 11 | Expired |
| US4993691A | Oxygen injection lance | Chemistry; Metallurgy | 5 | Expired |
| US7546868B2 | Air-conditioner housing | Performing Operations; Transporting | 5 | Expired |
| US4971297A | Nozzle for refining lance | Chemistry; Metallurgy | 4 | Expired |
| US4767036A | Apparatus and method for emptying metallurgical vessels containing metal and slag | Performing Operations; Transporting | 4 | Expired |
| US4730813A | Oxygen nozzle for metal refining | Chemistry; Metallurgy | 2 | Expired |
| US11885505B2 | Filter device and fume extraction device comprising filter device | Performing Operations; Transporting | 1 | Active |
| US4730814A | Blast pipe for refining nozzle | Chemistry; Metallurgy | 1 | Expired |
| US4524958A | Apparatus for closing the discharge aperture of a metallurgical vessel | Performing Operations; Transporting | 0 | Expired |
| US7484557B2 | Air-conditioner housing | General | 0 | Revoked |
| US10155429B2 | Air-conditioning system for a vehicle | Performing Operations; Transporting | 0 | Active |
| US11953228B2 | Table fan and method for cleaning a table fan | Mechanical Engineering; Lighting; Heating | 0 | Active |
Source: USPTO / EPO open patent data. Inventor disambiguation is heuristic; counts are objective bibliographic measures.