Hardinge, Inc.
🏢 View company profile →16Patents
5Active
16Granted
35Portfolio score
Filing activity: Mar 16, 1998 → Oct 4, 2010 · 4 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6640679B1 | Collet adapter chuck assembly with axially fixed collet head | Emerging Cross-Sectional Technologies | 18 | Expired |
| US7971883B2 | Workholding clamping assembly | Emerging Cross-Sectional Technologies | 13 | Active |
| US6036415A | Spindle for gripping and closing a mounting member | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6785943B2 | Indexing tool turret | Emerging Cross-Sectional Technologies | 11 | Expired |
| US6949056B2 | Machine tool | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6257595A | Collect chuck with quick-change cap | Emerging Cross-Sectional Technologies | 9 | Expired |
| US7287906B2 | Hydrostatic bearing for linear motion guidance | Mechanical Engineering; Lighting; Heating | 8 | Active |
| US6264210A | Quick-change jaw chuck system | Emerging Cross-Sectional Technologies | 8 | Expired |
| US6883407B2 | Expanding collet assembly for pick-off spindle | Emerging Cross-Sectional Technologies | 6 | Expired |
| US6640404B2 | Three piece coupling arrangement for a turret indexing mechanism for a machine tool assembly and an air bearing assembly for the same | Emerging Cross-Sectional Technologies | 5 | Expired |
| US8720311B2 | Tool holder | Emerging Cross-Sectional Technologies | 4 | Active |
| US7137632B2 | Force limiting workpiece holding device | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7311444B2 | Hydrostatic bearing for linear motion guidance | Mechanical Engineering; Lighting; Heating | 3 | Active |
| US5948177A | Collet metal treating process | Chemistry; Metallurgy | 3 | Expired |
| US6726221B2 | Dead length collet chuck assembly | Emerging Cross-Sectional Technologies | 3 | Expired |
| US7647679B2 | Belt-driven indexing tool turret assembly | Emerging Cross-Sectional Technologies | 1 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.