Thyssen Stahl AG
80Patents
0Active
80Granted
36Portfolio score
Filing activity: Aug 4, 1981 → Mar 13, 2000
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4917969A | Process for the production of clad hot rolled strip and the resulting product | Emerging Cross-Sectional Technologies | 44 | Expired |
| US4650954A | Process for the butt-welding of especially deep-drawable steel sheets or steel strips galvanized at least on one side | Performing Operations; Transporting | 32 | Expired |
| US4645720A | Armour-plate and process for its manufacture | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4872940A | Apparatus for the continuous welding of strips and/or sheets | Emerging Cross-Sectional Technologies | 26 | Expired |
| US4827100A | Process for the production of a shaped parts from pieces of sheet metal of different thicknesses | Emerging Cross-Sectional Technologies | 24 | Expired |
| US4902872A | Process for the production of a shaped part from pieces of sheet metal of different thicknesses | Emerging Cross-Sectional Technologies | 21 | Expired |
| US5706882A | Control process for twin-roll continuous casting | Performing Operations; Transporting | 21 | Expired |
| US5787967A | Process and device for adjusting the crown of the rolls of metal strip casting plant | Performing Operations; Transporting | 20 | Expired |
| US6002098A | Laser-assisted plating of strip | Performing Operations; Transporting | 17 | Expired |
| US4733815A | Process for guiding sheets to be butt-welded together and apparatus with means for conveying and guiding sheets or strips to be butt-welded together | Performing Operations; Transporting | 17 | Expired |
| US4764211A | Fine-grained agent for desulfurizing molten iron | Chemistry; Metallurgy | 16 | Expired |
| US5660224A | Twin-roll continuous casting device having an inerting shroud | Performing Operations; Transporting | 15 | Expired |
| US4592777A | Method, process and composition for desulfurizing pig-iron melts | Chemistry; Metallurgy | 14 | Expired |
| US5584335A | Device for continuous casting between rolls with applied side dams | Textiles; Paper | 14 | Expired |
| US4819840A | Refractory submerged pouring nozzle | Performing Operations; Transporting | 12 | Expired |
| US4951734A | Process for the production of a steel strip | Performing Operations; Transporting | 11 | Expired |
| US4994118A | Process for the production of hot rolled steel or heavy plates | Chemistry; Metallurgy | 11 | Expired |
| US5204505A | Process and apparatus for the continuous welding of strips guided in abutment by a laser beam | Performing Operations; Transporting | 11 | Expired |
| US5807444A | Process for the continuous casting of an austenitic stainless steel strip onto one or between two moving walls with dimpled surfaces, and casting plant for its implementation | Chemistry; Metallurgy | 11 | Expired |
| USRE37214E | Device for continuous casting between rolls with applied side dams | General | 9 | Expired |
| US4832739A | Process for desulfurizing molten iron | Chemistry; Metallurgy | 9 | Expired |
| US6082437A | Side wall for closing off the casting space of a plant for the twin-roll continuous casting of thin metal strip | Performing Operations; Transporting | 9 | Expired |
| US6065266A | Light structural metal plate in the form of a hump plate and process for its production | Emerging Cross-Sectional Technologies | 8 | Expired |
| US5628359A | Device for supporting a sidewall of a plant for the continuous twin-roll casting of metal strip | Performing Operations; Transporting | 8 | Expired |
| US5366539A | Process for the desulphurization treatment of pig iron melts | Chemistry; Metallurgy | 8 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.