Davidson Hydrant Technologies, Inc.
Records under this name other than patents Davidson Hydrant 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 Davidson Hydrant Technologies, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,240,688 | Retrofitting a fire hydrant with secondary valve Lapsed on the fee record Ended Jul 10, 2019 · From the USPTO record | Lapsed on the fee record | Ended Jul 10, 2019 | From the USPTO record |
| US 7,775,231 | Retrofitting a fire hydrant with a replacement hydrant body containing a secondary valve Lapsed on the fee record Ended Aug 17, 2018 · From the USPTO record | Lapsed on the fee record | Ended Aug 17, 2018 | From the USPTO record |
| US 7,766,027 | Vented Steamer Port Cap Assembly Lapsed on the fee record Ended Aug 3, 2018 · High confidence | Lapsed on the fee record | Ended Aug 3, 2018 | High confidence |
| US 7,575,017 | Wet barrel fire hydrant system with second valve Lapsed on the fee record Ended Aug 18, 2013 · From the USPTO record | Lapsed on the fee record | Ended Aug 18, 2013 | From the USPTO record |
| US 6,868,860 | Fire hydrant with second valve Lapsed on the fee record Ended Mar 22, 2013 · From the USPTO record | Lapsed on the fee record | Ended Mar 22, 2013 | From the USPTO record |
| US 7,428,910 | Breathable Fire Hydrant Rod Lapsed on the fee record Ended Sep 30, 2012 · Medium confidence | Lapsed on the fee record | Ended Sep 30, 2012 | Medium confidence |
| US 7,174,911 | Fire hydrant with second valve Lapsed on the fee record Ended Feb 13, 2011 · From the USPTO record | Lapsed on the fee record | Ended Feb 13, 2011 | From the USPTO record |
| US 7,055,544 | Fire hydrant with a second valve Lapsed on the fee record Ended Jun 6, 2010 · From the USPTO record | Lapsed on the fee record | Ended Jun 6, 2010 | From the USPTO record |