Hce, LLC
Records under this name other than patents Hce, LLC holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 6 of 6 · Back to Hce, LLC
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,181,941 | Gas bubble storage Lapsed on the fee record Ended May 22, 2024 · From the USPTO record | Lapsed on the fee record | Ended May 22, 2024 | From the USPTO record |
| US 8,119,098 | Process for converting carbon dioxide from coal utilization to a solid ash Lapsed on the fee record Ended Feb 21, 2020 · From the USPTO record | Lapsed on the fee record | Ended Feb 21, 2020 | From the USPTO record |
| US 7,910,258 | Natural gas direct carbon fuel cell Lapsed on the fee record Ended Mar 22, 2019 · From the USPTO record | Lapsed on the fee record | Ended Mar 22, 2019 | From the USPTO record |
| US 7,641,881 | Fertilizer production from fossil fuel with minimal carbon dioxide emission Lapsed on the fee record Ended Jan 5, 2018 · From the USPTO record | Lapsed on the fee record | Ended Jan 5, 2018 | From the USPTO record |
| US 7,467,660 | Pumped carbon mining methane production process Lapsed on the fee record Ended Dec 23, 2016 · From the USPTO record | Lapsed on the fee record | Ended Dec 23, 2016 | From the USPTO record |
| US 7,163,758 | Integrated plasma fuel cell process Lapsed on the fee record Ended Jan 16, 2015 · From the USPTO record | Lapsed on the fee record | Ended Jan 16, 2015 | From the USPTO record |