Chaw Khong Technology Co., Ltd.
65Patents
0Active
65Granted
35Portfolio score
Filing activity: Feb 16, 1996 → Nov 15, 2004
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6247203A | Pop-up mechanism for an extendable handle of wheeled luggage | Human Necessities | 53 | Expired |
| US6167994A | Durable device for wheeled luggage | Human Necessities | 48 | Expired |
| US6223391A | Locking assembly of a retractable handle for wheeled luggage | Human Necessities | 45 | Expired |
| US5816374A | Lock mechanism of a pull handle assembly for a wheeled suitcase | Human Necessities | 43 | Expired |
| USD439410S | Luggage wheel and wheel housing | General | 43 | Expired |
| US6182981A | Two-stage expansion/collapse control mechanism for use on a hand-trailable luggage case | Human Necessities | 40 | Expired |
| USD447929S | Luggage bezel | General | 40 | Expired |
| US6186295A | Wheeled luggage with hidden handle assembly | Human Necessities | 34 | Expired |
| USD428797S | Luggage bezel | General | 34 | Expired |
| US6354412B1 | Wheel bracket for wheeled luggage | Human Necessities | 30 | Expired |
| US6079527A | Retractable handle for wheeled luggage | Human Necessities | 29 | Expired |
| USD438382S | Luggage wheel | General | 29 | Expired |
| US6322156A | Wheel assembly of luggage | Performing Operations; Transporting | 28 | Expired |
| US6338587B1 | Modified locking structure of retractable draw bar | Emerging Cross-Sectional Technologies | 28 | Expired |
| US6338586B1 | Locking structure of retractable draw bar | Emerging Cross-Sectional Technologies | 26 | Expired |
| US5898759A | Telephone answering machine with on-line switch function | Electricity | 26 | Expired |
| US6978514B2 | Retractable handle of wheeled luggage having one or two pulling rods | Human Necessities | 25 | Expired |
| US6305514A | Off-centered dual-purpose handle assembly for wheeled luggage | Human Necessities | 24 | Expired |
| US6292979A | Positioning structure of retractable draw bar for a suitcase | Emerging Cross-Sectional Technologies | 24 | Expired |
| US6176357A | Support mechanism for a retractable handle of a wheeled luggage | Human Necessities | 23 | Expired |
| USD424400S | Luggage handle | General | 20 | Expired |
| US6918475B2 | Handle of trunk | Human Necessities | 19 | Expired |
| USD448275S | Luggage bezel | General | 18 | Expired |
| US5956807A | Retractable pull-handle assembly | Human Necessities | 16 | Expired |
| US6484362B1 | Retractable handle assembly with multiple engaging position for wheeled luggage | Human Necessities | 16 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.