Flow-Safe, Inc.
Records under this name other than patents Flow-Safe, 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 7,470,176 | Converting Existing Prior Art Fume Hoods into High Performance Low Airflow Stable Vortex Fume Hoods Formerly held Term ended Term ended Oct 12, 2026 · High confidence | Term ended | Term ended Oct 12, 2026 | High confidence |
| US 7,513,270 | Balanced Safety Relief Valve Term ended Term ended Dec 17, 2025 · High confidence | Term ended | Term ended Dec 17, 2025 | High confidence |
| US 7,302,961 | Surge Relief Valve Term ended Term ended Jan 18, 2025 · High confidence | Term ended | Term ended Jan 18, 2025 | High confidence |
| US 6,386,227 | Non-flowing pilot valve Term ended Term ended Sep 14, 2020 · From the USPTO record | Term ended | Term ended Sep 14, 2020 | From the USPTO record |
| US 6,131,463 | Apparatus and method to optimize fume containment by a hood Term ended Term ended Aug 26, 2017 · From the USPTO record | Term ended | Term ended Aug 26, 2017 | From the USPTO record |
| US 5,341,838 | Direct spring pressure operated valve Term ended Term ended no later than Aug 30, 2014 · Low confidence | Term ended | Term ended no later than Aug 30, 2014 | Low confidence |
| US 5,697,838 | Apparatus and method to optimize fume containment by a hood Term ended Term ended no later than Dec 16, 2017 · Low confidence | Term ended | Term ended no later than Dec 16, 2017 | Low confidence |
| US 5,738,333 | Relief valve Term ended Term ended no later than Apr 14, 2018 · Low confidence | Term ended | Term ended no later than Apr 14, 2018 | Low confidence |
| US 5,842,501 | Pilot operated safety relief valve Term ended Term ended no later than Dec 1, 2018 · Low confidence | Term ended | Term ended no later than Dec 1, 2018 | Low confidence |
| US 5,890,508 | Main relief valve for safety relief system Term ended Term ended no later than Apr 6, 2019 · Low confidence | Term ended | Term ended no later than Apr 6, 2019 | Low confidence |