GS Engineering & Construction Corp.
Records under this name other than the patents GS Engineering & Construction Corp. 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 5 patents it holds.
Showing 1 to 2 of 2 · Back to GS Engineering & Construction Corp.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,485,231 | Activated sludge process using downflow sludge blanket filtration Term ended Term ended May 9, 2025 · From the USPTO record | Term ended | Term ended May 9, 2025 | From the USPTO record |
| US 6,423,657 | Process for the reactivation of activated carbon Term ended Term ended Dec 4, 2017 · From the USPTO record | Term ended | Term ended Dec 4, 2017 | From the USPTO record |