Spiroflow Systems, Inc.
Records under this name other than the patents Spiroflow 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 6 patents it holds.
Back to Spiroflow Systems, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,267,144 | Bulk bag filling system Term ended Term ended Aug 17, 2025 · From the USPTO record | Term ended | Term ended Aug 17, 2025 | From the USPTO record |
| US 7,165,498 | Vibrating table assembly for bag filling apparatus Term ended Term ended May 6, 2024 · From the USPTO record | Term ended | Term ended May 6, 2024 | From the USPTO record |
| US 6,564,534 | Bag filling apparatus Term ended Term ended Apr 26, 2022 · From the USPTO record | Term ended | Term ended Apr 26, 2022 | From the USPTO record |
| US 6,439,377 | Tension control apparatus and method for aero-mechanical conveyor Term ended Term ended May 31, 2021 · From the USPTO record | Term ended | Term ended May 31, 2021 | From the USPTO record |
| US 6,598,736 | Tension control apparatus and method for aero-mechanical conveyor Term ended Term ended May 31, 2021 · From the USPTO record | Term ended | Term ended May 31, 2021 | From the USPTO record |
| US 6,227,408 | Method and apparatus for discharging bags Term ended Term ended Sep 15, 2019 · From the USPTO record | Term ended | Term ended Sep 15, 2019 | From the USPTO record |
| US 4,946,071 | Materials handling equipment Term ended Term ended no later than Aug 7, 2010 · Low confidence | Term ended | Term ended no later than Aug 7, 2010 | Low confidence |
| US 4,998,991 | Materials handling equipment Term ended Term ended no later than Mar 12, 2011 · Low confidence | Term ended | Term ended no later than Mar 12, 2011 | Low confidence |
| US 5,320,251 | Materials handling equipment Term ended Term ended no later than Jun 14, 2014 · Low confidence | Term ended | Term ended no later than Jun 14, 2014 | Low confidence |
| US 5,322,195 | Apparatus for discharging particulate solids Term ended Term ended no later than Jun 21, 2014 · Low confidence | Term ended | Term ended no later than Jun 21, 2014 | Low confidence |