SACK GmbH
14Patents
0Active
14Granted
30Portfolio score
Filing activity: Oct 22, 1976 → Feb 5, 1982
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4218159A | Multiple-part hobbing cutter | Emerging Cross-Sectional Technologies | 21 | Expired |
| US4354411A | Cold shears and method for cutting billets and bars | Emerging Cross-Sectional Technologies | 7 | Expired |
| US4251180A | Roll-changing apparatus | Performing Operations; Transporting | 6 | Expired |
| US4161885A | Measuring apparatus for measuring the roll gap in gauge-controlled roll stands | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4199084A | Foundry ladle support device having guides for ladle placement | Performing Operations; Transporting | 5 | Expired |
| US4476914A | Method and apparatus for cooling metal strands, more particularly slab and billet strands | Performing Operations; Transporting | 5 | Expired |
| US4333370A | Method and plant for slitting a hot slab emerging from a continuous casting plant | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4092891A | Apparatus for cutting steel sections | Emerging Cross-Sectional Technologies | 4 | Expired |
| US4312209A | Method for operating a strip rolling mill | Performing Operations; Transporting | 2 | Expired |
| US4161115A | Apparatus for monitoring hydraulic plant for leakages | Physics | 1 | Expired |
| US4342358A | Continuous casting installation | Performing Operations; Transporting | 1 | Expired |
| US4088309A | Cooling device for slabs with slab-tilting devices for turning the rolled stock | Performing Operations; Transporting | 1 | Expired |
| US4204449A | Flying cropping shears for hot strip | Emerging Cross-Sectional Technologies | 1 | Expired |
| US4217950A | Continuous casting apparatus | Performing Operations; Transporting | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.