Erth Technologies, Inc.
Records under this name other than patents Erth Technologies, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 8 of 8 · Back to Erth Technologies, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,931,816 | Method, apparatus and systems for treating contaminants in a waste fluid Formerly held Lapsed on the fee record Ended Apr 26, 2019 · From the USPTO record | Lapsed on the fee record | Ended Apr 26, 2019 | From the USPTO record |
| US 6,966,874 | Concentric tubular centrifuge Lapsed on the fee record Ended Nov 22, 2013 · From the USPTO record | Lapsed on the fee record | Ended Nov 22, 2013 | From the USPTO record |
| US 7,531,148 | Oxidation reactor Lapsed on the fee record Ended May 12, 2013 · From the USPTO record | Lapsed on the fee record | Ended May 12, 2013 | From the USPTO record |
| US 6,142,924 | Concentric tubular centrifuge Lapsed on the fee record Ended Nov 7, 2012 · From the USPTO record | Lapsed on the fee record | Ended Nov 7, 2012 | From the USPTO record |
| US 6,808,481 | Concentric tubular centrifuge Lapsed on the fee record Ended Oct 26, 2012 · From the USPTO record | Lapsed on the fee record | Ended Oct 26, 2012 | From the USPTO record |
| US 7,241,256 | Centrifuge Lapsed on the fee record Ended Jul 10, 2011 · From the USPTO record | Lapsed on the fee record | Ended Jul 10, 2011 | From the USPTO record |
| US 7,189,196 | Method of separating materials with a concentric tubular centrifuge Lapsed on the fee record Ended Mar 13, 2011 · From the USPTO record | Lapsed on the fee record | Ended Mar 13, 2011 | From the USPTO record |
| US 5,944,648 | Concentric tubular centrifuge Term ended Term ended no later than Aug 31, 2019 · Low confidence | Term ended | Term ended no later than Aug 31, 2019 | Low confidence |