Union Tool Co.
Records under this name other than the patents Union Tool Co. 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.
Showing 1 to 8 of 8 · Back to Union Tool Co.
| Patent | Title | Status | Expires | Confidence |
|---|---|---|---|---|
| US 7,354,229 | Drill Term ended Term ended Apr 6, 2026 · From the USPTO record | Term ended | Term ended Apr 6, 2026 | From the USPTO record |
| US 9,545,205 | Dozing prevention method, and dozing prevention device Lapsed on the fee record Ended Jan 17, 2025 · From the USPTO record | Lapsed on the fee record | Ended Jan 17, 2025 | From the USPTO record |
| US 6,613,999 | Method of joining a sintered hard alloy member to a stainless steel member and method of making a cutting tool therefrom Term ended Term ended Nov 19, 2021 · From the USPTO record | Term ended | Term ended Nov 19, 2021 | From the USPTO record |
| US 8,186,914 | Rotary cutting tool Lapsed on the fee record Ended May 29, 2016 · From the USPTO record | Lapsed on the fee record | Ended May 29, 2016 | From the USPTO record |
| US 6,331,133 | Automatic drill bit re-pointing apparatus and method Lapsed on the fee record Ended Dec 18, 2009 · From the USPTO record | Lapsed on the fee record | Ended Dec 18, 2009 | From the USPTO record |
| US 6,260,701 | Drill bit case with re-configurable shank retainer and stand base Lapsed on the fee record Ended Jul 17, 2005 · From the USPTO record | Lapsed on the fee record | Ended Jul 17, 2005 | From the USPTO record |
| US 4,837,432 | Optical measuring apparatus which employs two synchronously rotating means to measure object Term ended Term ended no later than Jun 6, 2009 · Low confidence | Term ended | Term ended no later than Jun 6, 2009 | Low confidence |
| US 4,869,198 | Vacuum debubbler machine Term ended Term ended no later than Sep 26, 2009 · Low confidence | Term ended | Term ended no later than Sep 26, 2009 | Low confidence |