ASSA AB
29Patents
5Active
29Granted
31Portfolio score
Filing activity: Sep 20, 1989 → Jun 24, 2009 · 5 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5542274A | Cylinder lock | Emerging Cross-Sectional Technologies | 72 | Expired |
| US5148691A | Electrically and mechanically activatable lock mechanism | Emerging Cross-Sectional Technologies | 53 | Expired |
| US6155090A | Cylinder lock | Emerging Cross-Sectional Technologies | 44 | Expired |
| USD557111S1 | Remote key | General | 41 | Expired |
| US5582050A | Cylinder lock-key-combination, a key therefor and a method of producing the key from a key blank | Emerging Cross-Sectional Technologies | 31 | Expired |
| US5421179A | Cylinder lock provided with an exchangeable lock-cylinder | Emerging Cross-Sectional Technologies | 26 | Expired |
| US7870769B2 | Electromechanical lock device | Emerging Cross-Sectional Technologies | 19 | Expired |
| US5778712A | Cylinder lock/key combination, a key and a key blank therefor | Emerging Cross-Sectional Technologies | 15 | Expired |
| USD459972S1 | Key blank | General | 12 | Expired |
| US6718807B2 | Lock device with removable core | Emerging Cross-Sectional Technologies | 12 | Expired |
| US5517840A | Cylinder lock-key combination which includes a side bar; and a lock key | Emerging Cross-Sectional Technologies | 11 | Expired |
| US8544303B2 | Electromechanical lock device | Emerging Cross-Sectional Technologies | 10 | Active |
| US6634197B2 | Lock device with removable core | Emerging Cross-Sectional Technologies | 9 | Expired |
| US6314774A | Cylinder lock | Emerging Cross-Sectional Technologies | 9 | Expired |
| US8534102B2 | Electromechanical lock device | Emerging Cross-Sectional Technologies | 8 | Active |
| US6220066A | Locking device | Emerging Cross-Sectional Technologies | 7 | Expired |
| US6529384B1 | Card lock | Emerging Cross-Sectional Technologies | 5 | Expired |
| US4922737A | Lock arrangement | Emerging Cross-Sectional Technologies | 4 | Expired |
| US5046342A | Cylinder lock | Emerging Cross-Sectional Technologies | 4 | Expired |
| US9279273B2 | Lock | Emerging Cross-Sectional Technologies | 3 | Active |
| US6823702B2 | Cylinder lock-key combination | Emerging Cross-Sectional Technologies | 3 | Expired |
| US6729167B2 | Key safekeeping device | Emerging Cross-Sectional Technologies | 3 | Expired |
| USD398153S | Profiled open disc for securing to a cylinder lock | General | 2 | Expired |
| USD548570S1 | Key head | General | 2 | Expired |
| US7918115B2 | Removable core lock device | Emerging Cross-Sectional Technologies | 2 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.