Filtertek Inc.
Records under this name other than the patents Filtertek 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 1 patents it holds.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,997,293 | Valve Apparatus, Combination Filter Valve Assemblies and Devices, Systems, and Methods Includingthe Same now held by Illinois Tool Works Inc. In force · High confidence | In force | High confidence | |
| US 8,291,936 | Non-Return Valve, in Particular for Medical Uses now held by Illinois Tool Works Inc. In force · High confidence | In force | High confidence | |
| US 8,251,099 | Check Valve now held by Illinois Tool Works Inc. In force · High confidence | In force | High confidence | |
| US 7,673,653 | Check Valve now held by Illinois Tool Works Inc. Term ended Term ended Oct 18, 2025 · High confidence | Term ended | Term ended Oct 18, 2025 | High confidence |
| US 7,041,217 | Filter Rings now held by Illinois Tool Works Inc. Term ended Term ended Dec 20, 2024 · High confidence | Term ended | Term ended Dec 20, 2024 | High confidence |
| US 7,354,470 | Multiple Retainer Bridge now held by Illinois Tool Works Inc. Term ended Term ended Jul 15, 2024 · High confidence | Term ended | Term ended Jul 15, 2024 | High confidence |
| US 7,141,097 | Bacterial Retentive,air Venting, Intravenous Filter now held by Illinois Tool Works Inc. Term ended Term ended May 15, 2024 · High confidence | Term ended | Term ended May 15, 2024 | High confidence |
| US 6,932,110 | Unidirectional Valve Appliance now held by Illinois Tool Works Inc. Term ended Term ended Feb 2, 2024 · High confidence | Term ended | Term ended Feb 2, 2024 | High confidence |
| US D564,092 | Valve for Fluids, Especially for the Medical Technique Term ended Term ended Mar 11, 2022 · High confidence | Term ended | Term ended Mar 11, 2022 | High confidence |
| US 6,736,273 | Filter for Fluids, Especially Fuels now held by Illinois Tool Works Inc. Term ended Term ended Feb 8, 2022 · High confidence | Term ended | Term ended Feb 8, 2022 | High confidence |