LIGHTSOURCES INC.
57Patents
13Active
57Granted
38Portfolio score
Filing activity: Jun 29, 1994 → May 19, 2015 · 9 expiring within 5 years
Most-cited patents
| Patent | Title | Area | Cited by | Status |
|---|---|---|---|---|
| US5422487A | Waste water purification system with complementary interlocking germicidal lamp and socket construction | Chemistry; Metallurgy | 65 | Expired |
| US7569981B1 | Ultraviolet germicidal lamp base and socket | Emerging Cross-Sectional Technologies | 50 | Expired |
| US5565685A | Dual intensity ultraviolet lamp | Human Necessities | 42 | Expired |
| USD546762S1 | Four lugged lamp socket | General | 32 | Expired |
| US6884103B1 | Secure lamp base and socket | Electricity | 29 | Expired |
| USD616822S1 | T5 step base | General | 27 | Expired |
| US8021189B2 | Ultraviolet lamp for use in water purifiers | Chemistry; Metallurgy | 25 | Active |
| USD603086S1 | T12 step base | General | 22 | Expired |
| US5557112A | Dual radiation ultraviolet lamp | Human Necessities | 21 | Expired |
| USD547724S1 | Snap lock lamp base connector | General | 18 | Expired |
| USD603085S1 | Base adapter | General | 18 | Expired |
| USD593706S1 | Lamp base with flange on neck | General | 18 | Expired |
| US6634902B1 | Purification lamp connector | Electricity | 16 | Expired |
| USD553569S1 | Ultraviolet lamp base | General | 15 | Expired |
| US8040032B2 | Smooth action, spring loaded, twist locking, radial lugged safety connector for lamp | Electricity | 15 | Active |
| US5753996A | Gas discharge lamp with handle construction | Electricity | 14 | Expired |
| USD549649S1 | Stepped oval socket electrical connector | General | 14 | Expired |
| USD546765S1 | Stepped oval base electrical connector | General | 13 | Expired |
| US7604505B2 | Ultraviolet lamp for use in water purifiers | Emerging Cross-Sectional Technologies | 13 | Active |
| USD575234S1 | Stepped pin base connector with protruding key and corresponding socket | General | 12 | Expired |
| USD544838S1 | Snap lock oval base connector | General | 11 | Expired |
| USD577337S1 | Lamp connector with adaptor combination assembly | General | 10 | Expired |
| US6614602B1 | Method of manufacturing lens cap for transistor outline package | Emerging Cross-Sectional Technologies | 10 | Expired |
| US6692309B1 | Mercury vapor lamp electrical connector | Electricity | 10 | Expired |
| US8308497B2 | End cap, socket, and adaptors for use with a lamp | Electricity | 9 | Active |
Source: USPTO / EPO open patent data. Counts and citation impact are objective bibliographic measures.