Spectradyne LLC
13Patents
2Active
13Granted
44Portfolio score
Filing activity: Dec 17, 1973 → Sep 30, 2021
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US4057829A | Communications TV monitoring and control system | Electricity | 131 | Expired |
| US4360828A | Hotel/motel power load control and bilateral signalling apparatus | Electricity | 119 | Expired |
| US5475740A | System for accessing and paying for amenities using a telephone | Electricity | 112 | Expired |
| US5767894A | Video distribution system | Electricity | 45 | Expired |
| US4829560A | Communications system for use in a hotel/motel | Electricity | 40 | Expired |
| US5323448A | System for accessing amenities through a public telephone network | Electricity | 29 | Expired |
| US3944742A | Burst frequency shift keying data communication system | Electricity | 23 | Expired |
| US4985761A | Current detection circuit and method | Electricity | 16 | Expired |
| US3952298A | Clock gated digital data encoding circuit | Electricity | 11 | Expired |
| USD288926S | Multi-channel television converter | General | 6 | Expired |
| US3942117A | All saturated switching mode solid state RF amplifier | Electricity | 4 | Expired |
| US11213818B2 | Systems and devices for microfluidic instrumentation | Physics | 1 | Active |
| US12172160B2 | Systems and devices for microfluidic instrumentation | Performing Operations; Transporting | 0 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.