Dürkopp Adler AG
15Patents
2Active
15Granted
28Portfolio score
Filing activity: May 1, 2000 → May 20, 2013 · 2 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| USD727373S1 | Sewing machine | General | 4 | Active |
| US6363872B1 | Sewing machine with an overload clutch | Textiles; Paper | 3 | Expired |
| US6951177B2 | Buttonhole sewing machine | Textiles; Paper | 2 | Expired |
| USD727372S1 | Sewing machine | General | 2 | Active |
| US6772703B2 | Eye-type buttonhole sewing machine | Textiles; Paper | 2 | Expired |
| US6805063B2 | Method of pulling the free end of a needle thread from the top to the bottom side of a work piece and sewing machine for putting the method into practice | Textiles; Paper | 2 | Expired |
| US6684797B2 | CNC controlled buttonhole sewing machine | Textiles; Paper | 1 | Expired |
| US6722299B2 | CNC controlled buttonhole sewing machine | Textiles; Paper | 1 | Expired |
| US6755139B2 | Buttonhole sewing machine | Textiles; Paper | 1 | Expired |
| US6405667B2 | Sewing apparatus for producing a seam having a predetermined shape | Textiles; Paper | 1 | Expired |
| US6694901B2 | Buttonhole sewing machine | Textiles; Paper | 0 | Expired |
| US6647908B2 | Microprocessor-assisted sewing machine control equipment | Textiles; Paper | 0 | Expired |
| US6647905B2 | Buttonhole sewing machine | Textiles; Paper | 0 | Expired |
| US6684798B2 | Buttonhole sewing machine | Emerging Cross-Sectional Technologies | 0 | Expired |
| US6923130B2 | Sewing machine | Textiles; Paper | 0 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.