Issued Patents All Time
Showing 1–25 of 36 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10143052 | Light emitting diode (LED) warm on dim circuit | — | 2018-11-27 |
| 9769895 | Light emitting diode (LED) warm on dim circuit | — | 2017-09-19 |
| 9107273 | End-of-life bulb circuitry | Carol Lenk, Ethan Thorman | 2015-08-11 |
| 9030118 | Single inductor control of multi-color LED systems | — | 2015-05-12 |
| 8853921 | Heat removal design for LED bulbs | Carol Lenk, Daniel Chandler, Matthew P. Galla | 2014-10-07 |
| 8816594 | 3-way LED bulb | — | 2014-08-26 |
| 8796922 | Phosphor-containing LED light bulb | Bruce W. Carsten | 2014-08-05 |
| 8786169 | Anti-reflective coatings for light bulbs | — | 2014-07-22 |
| 8760066 | Constant power LED circuit | — | 2014-06-24 |
| 8754594 | Thermal protection circuit for an LED bulb | John D. Grainger | 2014-06-17 |
| 8752984 | Glass LED light bulbs | Jonathan Betts-LaCroix | 2014-06-17 |
| 8704442 | Method of light dispersion and preferential scattering of certain wavelengths of light for light-emitting diodes and bulbs constructed therefrom | Carol Lenk | 2014-04-22 |
| 8702257 | Plastic LED bulb | Carol Lenk, Daniel Chandler | 2014-04-22 |
| 8638033 | Phosphor-containing LED light bulb | Bruce W. Carsten | 2014-01-28 |
| 8598794 | White AC LED | — | 2013-12-03 |
| 8569949 | Method of light dispersion and preferential scattering of certain wavelengths of light-emitting diodes and bulbs constructed therefrom | Carol Lenk | 2013-10-29 |
| 8552654 | Single inductor control of multi-color LED systems | — | 2013-10-08 |
| 8547002 | Heat removal design for LED bulbs | Carol Lenk, Daniel Chandler, Matthew P. Galla | 2013-10-01 |
| 8471445 | Anti-reflective coatings for light bulbs | — | 2013-06-25 |
| 8450927 | Phosphor-containing LED light bulb | Bruce W. Carsten | 2013-05-28 |
| 8439528 | Glass LED light bulbs | Jonathan Betts-LaCroix | 2013-05-14 |
| 8283877 | Thermal protection circuit for an LED bulb | John D. Grainger | 2012-10-09 |
| 8278837 | Single inductor control of multi-color LED systems | — | 2012-10-02 |
| 8198819 | 3-way LED bulb | — | 2012-06-12 |
| 8193702 | Method of light dispersion and preferential scattering of certain wavelengths of light-emitting diodes and bulbs constructed therefrom | Carol Lenk | 2012-06-05 |