Yale Security Inc.
89Patents
50Active
89Granted
50Portfolio score
Filing activity: Feb 26, 1985 → Oct 30, 2017 · 20 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5021776A | Electronic combination of lock with changeable entry codes, lock-out and programming code | Physics | 114 | Expired |
| US7091429B2 | Privacy keypad | Emerging Cross-Sectional Technologies | 89 | Expired |
| US5018375A | Lockset having electric means for disabling and enabling the outer handle | Emerging Cross-Sectional Technologies | 69 | Expired |
| US4920773A | Door lock having disengages outer lever handle when in the locked condition and means to bias the handle toward horizontal position | Emerging Cross-Sectional Technologies | 60 | Expired |
| US7316096B2 | Door operator | Fixed Constructions | 60 | Expired |
| US4870400A | Electronic door lock key re-sequencing function | Physics | 58 | Expired |
| USD790950S1 | Interior housing for a door lock | General | 57 | Active |
| US7984631B2 | Modular escutcheon | Emerging Cross-Sectional Technologies | 54 | Active |
| USD768463S1 | Interior housing for a door lock | General | 54 | Active |
| US8407937B2 | Door operator | Emerging Cross-Sectional Technologies | 51 | Active |
| US4995194A | Power-assist door closer | Fixed Constructions | 48 | Expired |
| USD755605S1 | Smart lock front panel | General | 46 | Active |
| US4638651A | Lock cylinder having two sets of tumblers and key therefor | Emerging Cross-Sectional Technologies | 46 | Expired |
| US8390219B2 | Door operator with electrical back check feature | Fixed Constructions | 40 | Active |
| US4796931A | Exit device having adjustable backset | Emerging Cross-Sectional Technologies | 39 | Expired |
| US5816017A | Fire retardant door and exit device for same | Emerging Cross-Sectional Technologies | 36 | Expired |
| US7971316B2 | Door closer assembly | Fixed Constructions | 36 | Active |
| US8564235B2 | Self-adjusting door closer | Fixed Constructions | 36 | Active |
| USD814265S1 | Door lock escutcheon | General | 35 | Active |
| US4765163A | Front-loaded knob assembly | Emerging Cross-Sectional Technologies | 34 | Expired |
| US5042851A | Exit device having adjustable concealed rods | Emerging Cross-Sectional Technologies | 34 | Expired |
| US4950005A | Lock deadbolt protector | Emerging Cross-Sectional Technologies | 34 | Expired |
| US4793023A | Door closer and holder | Fixed Constructions | 33 | Expired |
| US8547046B2 | Door closer with self-powered control unit | Fixed Constructions | 32 | Active |
| US8499495B2 | Door operator | Fixed Constructions | 32 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.