Gatekeeper Systems, Inc.
Records under this name other than the patents Gatekeeper Systems, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned. None of them is counted in the 52 patents it holds.
Back to Gatekeeper Systems, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 9,630,639 | Navigation Systems and Methods for Wheeled Objects Term ended Term ended Oct 27, 2026 · High confidence | Term ended | Term ended Oct 27, 2026 | High confidence |
| US 7,870,916 | Systems and Methods for Power Storage and Management from Intermittent Power Sources Term ended Term ended Sep 20, 2026 · High confidence | Term ended | Term ended Sep 20, 2026 | High confidence |
| US 11,981,365 | System for Monitoring and Controlling Shopping Cart Usage Term ended Term ended Sep 5, 2026 · High confidence | Term ended | Term ended Sep 5, 2026 | High confidence |
| US 7,944,368 | Systems and Methods for Locating and Controlling Powered Vehicles Term ended Term ended Aug 25, 2026 · High confidence | Term ended | Term ended Aug 25, 2026 | High confidence |
| US 11,299,189 | Motorized Cart Retriever for Monitoring Cart Status Lapsed on the fee record Ended Apr 12, 2026 · High confidence | Lapsed on the fee record | Ended Apr 12, 2026 | High confidence |
| US 8,558,698 | Zone-Based Control of Cart Usage Using RF Transmission for Brake Activation Term ended Term ended Mar 20, 2026 · High confidence | Term ended | Term ended Mar 20, 2026 | High confidence |
| US 8,674,845 | Systems and Methods for Locating and Controlling Powered Vehicles Using a Received Strength Indication Signal Term ended Term ended Mar 20, 2026 · High confidence | Term ended | Term ended Mar 20, 2026 | High confidence |
| US 8,700,230 | Cart Containment System with Integrated Cart Display Unit Term ended Term ended Mar 20, 2026 · High confidence | Term ended | Term ended Mar 20, 2026 | High confidence |
| US 8,718,923 | Object Cluster Detection and Estimation Term ended Term ended Mar 20, 2026 · Low confidence | Term ended | Term ended Mar 20, 2026 | Low confidence |
| US 9,322,658 | Wheel Skid Detection During Mechanized Cart Retrieval Term ended Term ended Mar 20, 2026 · High confidence | Term ended | Term ended Mar 20, 2026 | High confidence |