R-Zero Systems, Inc.
Records under this name other than the patents R-Zero 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 4 patents it holds.
Showing 1 to 3 of 3 · Back to R-Zero Systems, Inc.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,175,695 | Apparatus and method for enhancing filtration Term ended Term ended Jul 28, 2025 · From the USPTO record | Term ended | Term ended Jul 28, 2025 | From the USPTO record |
| US 7,803,213 | Apparatus and method for enhancing filtration Term ended Term ended Jul 28, 2025 · From the USPTO record | Term ended | Term ended Jul 28, 2025 | From the USPTO record |
| US 7,404,847 | Apparatus and method for enhancing filtration Lapsed on the fee record Ended Jul 29, 2016 · From the USPTO record | Lapsed on the fee record | Ended Jul 29, 2016 | From the USPTO record |