Den-Con Electronics, Inc.
Records under this name other than patents Den-Con Electronics, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
Showing 1 to 10 of 10 · Back to Den-Con Electronics, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 6,347,292 | Oilfield equipment identification method and apparatus Term ended Term ended Feb 17, 2019 · From the USPTO record | Term ended | Term ended Feb 17, 2019 | From the USPTO record |
| US 6,480,811 | Oilfield equipment identification method and apparatus Term ended Term ended Feb 17, 2019 · From the USPTO record | Term ended | Term ended Feb 17, 2019 | From the USPTO record |
| US 7,389,205 | Oilfield equipment identification method and apparatus Term ended Term ended Feb 17, 2019 · From the USPTO record | Term ended | Term ended Feb 17, 2019 | From the USPTO record |
| US 8,170,837 | Oilfield equipment identification method and apparatus Term ended Term ended Feb 17, 2019 · From the USPTO record | Term ended | Term ended Feb 17, 2019 | From the USPTO record |
| US 9,534,451 | Oilfield equipment identification method and apparatus Term ended Term ended Feb 17, 2019 · From the USPTO record | Term ended | Term ended Feb 17, 2019 | From the USPTO record |
| US 8,838,418 | Oilfield equipment identification method and apparatus Lapsed on the fee record Ended Sep 16, 2018 · From the USPTO record | Lapsed on the fee record | Ended Sep 16, 2018 | From the USPTO record |
| US 7,606,682 | Oilfield equipment identification method and apparatus Lapsed on the fee record Ended Oct 20, 2017 · From the USPTO record | Lapsed on the fee record | Ended Oct 20, 2017 | From the USPTO record |
| US 8,457,929 | Oilfield equipment identification method and apparatus Lapsed on the fee record Ended Jun 4, 2017 · From the USPTO record | Lapsed on the fee record | Ended Jun 4, 2017 | From the USPTO record |
| US 5,142,128 | Oilfield equipment identification apparatus Formerly held Term ended Term ended no later than Aug 25, 2012 · Low confidence | Term ended | Term ended no later than Aug 25, 2012 | Low confidence |
| US 5,360,967 | Oilfield equipment identification apparatus Formerly held Term ended Term ended no later than Nov 1, 2014 · Low confidence | Term ended | Term ended no later than Nov 1, 2014 | Low confidence |