DFHS, LLC
Records under this name other than the patents DFHS, LLC 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 4 of 4 · Back to DFHS, LLC
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 8,563,487 | Friction Modifier Using Adherent Metallic Multilayered or Mixed Element Layer Conversion Coatings Lapsed on the fee record Ended Oct 22, 2025 · High confidence | Lapsed on the fee record | Ended Oct 22, 2025 | High confidence |
| US 9,657,251 | Friction and Wear Modifiers Using Solvent Partitioning of Hydrophilic Surface-Interactive Chemicals Contained in Boundary Layer-Targeted Emulsions Lapsed on the fee record Ended May 23, 2025 · High confidence | Lapsed on the fee record | Ended May 23, 2025 | High confidence |
| US 8,420,582 | Friction and Wear Modifiers Using Solvent Partitioning of Hydrophilic Surface-Interactive Chemicals Contained in Boundary Layer-Targeted Emulsions Lapsed on the fee record Ended Apr 16, 2025 · High confidence | Lapsed on the fee record | Ended Apr 16, 2025 | High confidence |
| US 8,317,909 | Compositions and processes for deposition of metal ions onto surfaces of conductive substrates Lapsed on the fee record Ended Nov 27, 2024 · From the USPTO record | Lapsed on the fee record | Ended Nov 27, 2024 | From the USPTO record |