Polysius AG
Records under this name other than patents Polysius AG holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,954,743 | Roller mill Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 7,946,518 | Grinding roller and method for the reconditioning thereof Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 7,997,518 | Roller press with retractable grinding material guide metal sheet Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 8,038,084 | Roller mill Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 8,398,008 | Force transfer system comprising a hydraulic cylinder and a thrust bearing Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 8,608,094 | Tube mill with internal lining of epoxy material Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 9,057,561 | Industrial oven having a rotary pipe Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 8,783,594 | Roller Mill with Driven Grinding Roller Formerly held Lapsed on the fee record Ended Jul 22, 2026 · Medium confidence | Lapsed on the fee record | Ended Jul 22, 2026 | Medium confidence |
| US 8,764,438 | Cement System and Method for Operating a Cement System Formerly held Lapsed on the fee record Ended Jul 1, 2026 · High confidence | Lapsed on the fee record | Ended Jul 1, 2026 | High confidence |
| US 7,775,465 | Method and apparatus for grinding iron ore or iron ore concentrate Formerly held Term ended Term ended May 26, 2026 · From the USPTO record | Term ended | Term ended May 26, 2026 | From the USPTO record |