PT Tech, LLC
Records under this name other than the patents PT Tech, LLC holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 12 patents it holds.
Showing 1 to 6 of 6 · Back to PT Tech, LLC
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,874,606 | Torque limiting clutch having centrifugally regulated characteristic torque Term ended Term ended Oct 30, 2023 · From the USPTO record | Term ended | Term ended Oct 30, 2023 | From the USPTO record |
| US 6,557,687 | Clutch assembly and diagnostic system Term ended Term ended Aug 16, 2019 · From the USPTO record | Term ended | Term ended Aug 16, 2019 | From the USPTO record |
| US 6,305,515 | Hydraulically actuated power takeoff clutch assembly Term ended Term ended Jul 20, 2019 · From the USPTO record | Term ended | Term ended Jul 20, 2019 | From the USPTO record |
| US 6,874,610 | Compact dry power takeoff unit Term ended Term ended Jul 20, 2019 · From the USPTO record | Term ended | Term ended Jul 20, 2019 | From the USPTO record |
| US 7,493,992 | Gearbox brake for mining machinery Lapsed on the fee record Ended Feb 24, 2017 · From the USPTO record | Lapsed on the fee record | Ended Feb 24, 2017 | From the USPTO record |
| US 7,472,739 | Shade structures Lapsed on the fee record Ended Jan 6, 2017 · From the USPTO record | Lapsed on the fee record | Ended Jan 6, 2017 | From the USPTO record |