Stein Heurtey
5Patents
0Active
5Granted
23Portfolio score
Filing activity: May 3, 1982 → Jan 30, 2002
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6547898B2 | Method of making safe a heat treatment enclosure operating under a controlled atmosphere | Chemistry; Metallurgy | 5 | Expired |
| US4446812A | Galvanization installations of metallic bands | Chemistry; Metallurgy | 4 | Expired |
| US5431375A | Cooled cylinders for handling steel products | Chemistry; Metallurgy | 3 | Expired |
| US6761778B2 | Heating process of steel strips in vertical furnaces | Chemistry; Metallurgy | 2 | Expired |
| US5607144A | Furnace for reheating, holding and storing of metallurgical products | Mechanical Engineering; Lighting; Heating | 1 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.