Hydrophilic End Seal
A patent family: one line of work, grouped by real continuity rather than by a technology label
inferred from titles. 5 of these applications claim priority to application 12/962,276, filed Dec 7, 2010. A shared origin can cover several different claimed inventions, which is why members here may not share a title. In-force patents first, soonest term end first, then patent number. Expired patents follow, in the same order.
| Patent | Title | Holder | Status | Expires | Time remaining | Confidence |
|---|---|---|---|---|---|---|
| US 8,240,340 | Hydrophilic End Seal In force · High confidence | LMK Technologies, LLC | In force | High confidence | ||
| US 8,240,341 | Hydrophilic End Seal In force · Medium confidence | LMK Technologies, LLC | In force | Medium confidence | ||
| US 8,567,451 | Hydrophilic End Seal In force · Low confidence | LMK Technologies, LLC | In force | Low confidence | ||
| US 8,636,036 | Apparatus and Method for Sealing Pipes In force · Low confidence | LMK Enterprises, Inc. and LMK Technologies LLC | In force | Low confidence | ||
| US 8,640,737 | Apparatus and Method for Sealing Pipes and Underground Structures In force · Medium confidence | LMK Technologies LLC | In force | Medium confidence | ||
| US 8,651,145 | End Seal In force · Medium confidence | LMK Technologies, LLC | In force | Medium confidence | ||
| US 9,169,957 | Apparatus and Method for Sealing Pipes and Underground Structures Lapsed Oct 27, 2023 on the fee record Ended Oct 27, 2023 · High confidence | LMK Technologies, LLC | Lapsed Oct 27, 2023 on the fee record | Ended Oct 27, 2023 | Ended Oct 27, 2023 | High confidence |
| US 9,562,339 | Apparatus and Method for Sealing Pipes and Underground Structures Lapsed Feb 7, 2025 on the fee record Ended Feb 7, 2025 · Medium confidence | LMK Technologies, LLC | Lapsed Feb 7, 2025 on the fee record | Ended Feb 7, 2025 | Ended Feb 7, 2025 | Medium confidence |
8 of 8 records shown. In-force patents first, soonest term end first, then patent number. Expired patents follow, in the same order.
6 of these are in force and held by LMK Technologies, LLC.
Updated Nov 15, 2026 · includes USPTO assignment & status data published Nov 15, 2026 and grant & fee data published Nov 10, 2026 (weekly) · how we know
Computed patent terms end on the dates shown. Related patents and pending applications may cover overlapping subject matter.