PROTREND CO., LTD.
33Patents
19Active
33Granted
59Portfolio score
Filing activity: Oct 1, 1998 → Dec 20, 2023 · 6 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US7506772B2 | Wall-mount rack | Emerging Cross-Sectional Technologies | 53 | Active |
| US7497344B2 | Supporting bracket for wall-mount rack | Human Necessities | 49 | Active |
| US6364138B1 | Sectional rack | Human Necessities | 45 | Expired |
| US5924581A | Easy-mount shelf holder for a sectional rack | Human Necessities | 40 | Expired |
| US6527473B2 | Connector for linearly connecting twin-column supporting posts of sectional rack | Emerging Cross-Sectional Technologies | 37 | Expired |
| US6971528B2 | Connecting structure for sectional rack | Human Necessities | 34 | Expired |
| US6364139B1 | Two-part shelf-holder for sectional rack | Human Necessities | 22 | Expired |
| US7516930B2 | Garment hanger rod holder | Mechanical Engineering; Lighting; Heating | 22 | Active |
| US6357611B1 | Sectional rack | Human Necessities | 18 | Expired |
| US6748878B2 | Shelf positioning mechanism for sectional rack | Human Necessities | 16 | Expired |
| US6726040B1 | Sectional rack with drawers | Human Necessities | 15 | Expired |
| US7494101B2 | Hook-on type rail | Human Necessities | 15 | Active |
| US9226574B1 | Foldable multi-shelf stand | Human Necessities | 13 | Active |
| US8651300B2 | Sectional rack | Human Necessities | 10 | Active |
| US8038021B2 | Sectional rack | Human Necessities | 9 | Active |
| USD600053S1 | Wall panel for sectional cabinet | General | 9 | Expired |
| US6902244B1 | Drawer rail structure allowing adjusting of vertical position of drawer front panel | Human Necessities | 8 | Expired |
| USD536539S1 | Hanger | General | 8 | Expired |
| US8028966B2 | Hanger device | Mechanical Engineering; Lighting; Heating | 8 | Active |
| US9060602B2 | Furniture assembly | Human Necessities | 7 | Active |
| US6901633B2 | Door hinge | Fixed Constructions | 6 | Expired |
| US11419412B1 | Combined type shelf | Human Necessities | 6 | Active |
| US11259634B1 | Foldable drawer storage device | Human Necessities | 6 | Active |
| USD546080S1 | Shoes rack support | General | 5 | Expired |
| US11627801B2 | Combined storage shelf | Human Necessities | 2 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.