Projects, Ltd.
6Patents
0Active
6Granted
26Portfolio score
Filing activity: Jun 14, 1974 → Jul 2, 2001
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US6057753A | Vibrational transducer | Electricity | 38 | Expired |
| US4122365A | Piezoelectric buzzer device | Physics | 20 | Expired |
| US6259188A | Piezoelectric vibrational and acoustic alert for a personal communication device | Physics | 16 | Expired |
| US3950744A | Modular buzzer with diaphragm molded into housing | Physics | 6 | Expired |
| US3945004A | High efficiency buzzer | Physics | 6 | Expired |
| US6488851B1 | Reactor and process for biologically treating sewage | Emerging Cross-Sectional Technologies | 4 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.