Joy Technologies Inc.
Records under this name other than patents Joy Technologies Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,602,026 | Extendible drill support frame for mining apparatus and roof bolting equipment Formerly held Term ended Term ended Jul 12, 2020 · From the USPTO record | Term ended | Term ended Jul 12, 2020 | From the USPTO record |
| US 6,814,155 | Bolting rigs Formerly held Term ended Ended no later than Apr 14, 2020 · From the USPTO record | Term ended | Ended no later than Apr 14, 2020 | From the USPTO record |
| US 6,497,536 | Roof support arrangement for mining apparatus and roof bolting equipment Formerly held Lapsed on the fee record Ended Dec 24, 2014 · From the USPTO record | Lapsed on the fee record | Ended Dec 24, 2014 | From the USPTO record |
| US 6,386,640 | Oil tank arrangement for mining apparatus and roof bolting equipment Formerly held Lapsed on the fee record Ended May 14, 2014 · From the USPTO record | Lapsed on the fee record | Ended May 14, 2014 | From the USPTO record |
| US 6,364,148 | Storage pod for underground mining machine Formerly held Lapsed on the fee record Ended Apr 2, 2006 · From the USPTO record | Lapsed on the fee record | Ended Apr 2, 2006 | From the USPTO record |
| US 4,040,768 | Mixing, conveying heating and/or cooling apparatus Formerly held Term ended Term ended no later than Aug 9, 1997 · Low confidence | Term ended | Term ended no later than Aug 9, 1997 | Low confidence |
| US 4,042,864 | AC-DC Traction drive control system Formerly held Term ended Term ended no later than Aug 16, 1997 · Low confidence | Term ended | Term ended no later than Aug 16, 1997 | Low confidence |
| US 4,072,253 | Rotary feeder Formerly held Term ended Term ended no later than Feb 7, 1998 · Low confidence | Term ended | Term ended no later than Feb 7, 1998 | Low confidence |
| US 4,131,270 | Means for positioning steam condenser tube support plates Formerly held Term ended Term ended no later than Dec 26, 1998 · Low confidence | Term ended | Term ended no later than Dec 26, 1998 | Low confidence |
| US 4,169,794 | Filter Formerly held Term ended Term ended no later than Oct 2, 1999 · Low confidence | Term ended | Term ended no later than Oct 2, 1999 | Low confidence |