Apex Engineering Inc.
Records under this name other than the patents Apex Engineering Inc. 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 1 patents it holds.
Showing 1 to 6 of 6 · Back to Apex Engineering Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,894,398 | Modular plastics extrusion apparatus Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 7,931,800 | Method for extraction of bitumen from oil sands using lime Lapsed on the fee record Ended Apr 26, 2023 · From the USPTO record | Lapsed on the fee record | Ended Apr 26, 2023 | From the USPTO record |
| US 8,043,494 | Method for improving bitumen recovery from oil sands by production of surfactants from bitumen asphaltenes Lapsed on the fee record Ended Oct 25, 2019 · From the USPTO record | Lapsed on the fee record | Ended Oct 25, 2019 | From the USPTO record |
| US 5,005,983 | Plate blender Term ended Term ended no later than Apr 9, 2011 · Low confidence | Term ended | Term ended no later than Apr 9, 2011 | Low confidence |
| US 5,410,120 | Welding enclosure assembly Term ended Term ended no later than Apr 25, 2015 · Low confidence | Term ended | Term ended no later than Apr 25, 2015 | Low confidence |
| US 5,491,320 | Method and apparatus for welding ventilation Term ended Term ended no later than Feb 13, 2016 · Low confidence | Term ended | Term ended no later than Feb 13, 2016 | Low confidence |