Miva Engineering Ltd.
Records under this name other than patents Miva Engineering Ltd. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,133,147 | Clutch Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 8,888,649 | Dynamic reduction-ratio hoisting device Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 8,968,133 | Dynamic Ratio Speed Increaser for Windmills and Similar Applications Formerly held In force · High confidence | In force | High confidence | |
| US 8,943,950 | Reciprocating pump flow control Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 10,538,976 | Floor wrench for a drilling rig Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 10,247,279 | Integrated Roller-Gearbox for Spinner Wrench Formerly held In force · High confidence | In force | High confidence | |
| US 10,309,169 | Spinner wrench for a drilling rig Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 11,060,359 | Polished rod rotator with height adjuster Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 10,557,321 | Spinning torque wrench Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 10,605,014 | Polished rod rotator with height adjuster Formerly held In force · From the USPTO record | In force | From the USPTO record |