Spectronics Corporation
42Patents
15Active
42Granted
45Portfolio score
Filing activity: Feb 11, 1976 → Apr 25, 2022 · 5 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US8481970B2 | Sanitizer for portable electronic devices | Human Necessities | 90 | Active |
| US5905268A | Inspection lamp with thin-film dichroic filter | Physics | 63 | Expired |
| US5440919A | Method of introducing leak detection dye into an air conditioning or refrigeration system | Mechanical Engineering; Lighting; Heating | 61 | Expired |
| US5650563A | Method of introducing leak detection dye into an air conditioning or refrigeration system including solid or semi-solid fluorescent dyes | Mechanical Engineering; Lighting; Heating | 54 | Expired |
| US5167140A | Apparatus and method for infusing a material into a closed loop system | Physics | 52 | Expired |
| US4938063A | Apparatus and method for infusing a material into a closed loop system | Physics | 46 | Expired |
| US6953940B2 | Hand-held germicidal lamp with safety features | Mechanical Engineering; Lighting; Heating | 46 | Expired |
| US6165384A | Full spectrum fluorescent dye composition for the optimization of leak detection processes | Emerging Cross-Sectional Technologies | 46 | Expired |
| US4529947A | Apparatus for input amplifier stage | Electricity | 45 | Expired |
| US6491408B1 | Pen-size LED inspection lamp for detection of fluorescent material | Emerging Cross-Sectional Technologies | 40 | Expired |
| US4545076A | Data transmission link | Electricity | 34 | Expired |
| US6056162A | Self-contained service tool for adding fluorescent leak detection dye into systems operating with pressurized fluids | Physics | 32 | Expired |
| USRE36951E | Method of introducing leak detection dye into an air conditioning or refrigeration system including solid or semi-solid fluorescent dyes | General | 30 | Expired |
| US4400054A | Passive optical coupler | Physics | 28 | Expired |
| US5788364A | Compact high-intensity UVA inspection lamp | Physics | 24 | Expired |
| US5548965A | Multi-cavity evaporator | Emerging Cross-Sectional Technologies | 23 | Expired |
| US5816692A | Compact high-intensity UVA inspection lamp | Physics | 18 | Expired |
| US5997154A | Compact high-intensity UVA inspection lamp | Physics | 16 | Expired |
| US7344272B2 | Lamp | Emerging Cross-Sectional Technologies | 14 | Active |
| US6767110B2 | Pen size LED inspection lamp kit for detecting fluorescent material | Emerging Cross-Sectional Technologies | 13 | Expired |
| US4371847A | Data transmission link | Electricity | 10 | Expired |
| US6854859B2 | Pen size LED inspection lamp for detecting fluorescent material | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6598412B1 | Interchangeable adapters for pipe freezer apparatus | Mechanical Engineering; Lighting; Heating | 9 | Expired |
| US4264129A | Fiber bundle termination | Emerging Cross-Sectional Technologies | 8 | Expired |
| US4039841A | X-ray grid adaptor | Physics | 7 | Expired |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.