Pi, Inc.
Records under this name other than patents Pi, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,480,674 | Data Storage and Retrieval System with Parameterized Category Definitions for Families of Categories and Dynamically Generated Search Indices Formerly held In force · High confidence | In force | High confidence | |
| US 8,689,369 | Pool skimmer with integral disinfectant dispenser Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 8,726,428 | Swimming pool skimmer cover Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 8,919,055 | Pool Liner Retainer Formerly held In force · High confidence | In force | High confidence | |
| US D900,736 | Wireless power charging station Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 11,031,817 | Coil selection in multi-coil wireless charging system Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 11,750,030 | Coil driving in wireless charging system Formerly held In force · From the USPTO record | In force | From the USPTO record | |
| US 11,336,116 | High precision signal measurement in wireless charging system Formerly held Lapsed on the fee record Ended May 17, 2026 · From the USPTO record | Lapsed on the fee record | Ended May 17, 2026 | From the USPTO record |
| US 11,336,117 | Communication demodulation in wireless charging system Formerly held Lapsed on the fee record Ended May 17, 2026 · From the USPTO record | Lapsed on the fee record | Ended May 17, 2026 | From the USPTO record |
| US 7,412,452 | Data Storage and Retrieval System with Intensional Category Representations to Provide Dynamic Categorization of Information Items Formerly held Term ended Term ended Feb 9, 2026 · High confidence | Term ended | Term ended Feb 9, 2026 | High confidence |