Issued Patents All Time
Showing 25 most recent of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10920938 | LED apparatus employing neodymium based materials with variable content of fluorine and oxygen | Kevin Jeffrey Benner, Thomas Boyle, Dengke Cai, Thomas Clynne, William Erwin Cohen +9 more | 2021-02-16 |
| 10890301 | LED lamp with encapsulated driver and safety circuit | Thomas Alexander Knapp, Glenn Howard Kuenzler, Bruce Richard Roberts, Gary R. Allen | 2021-01-12 |
| 10619803 | LED apparatus employing neodymium based materials with variable content of fluorine and oxygen | Kevin Jeffrey Benner, Thomas Boyle, Dengke Cai, Thomas Clynne, William Erwin Cohen +9 more | 2020-04-14 |
| 10197230 | LED lamp with internal mirror | Thomas Alexander Knapp, Gary R. Allen, Glenn Howard Kuenzler, Bruce Richard Roberts | 2019-02-05 |
| 9401468 | Lamp with LED chips cooled by a phase transformation loop | Jianmin He, Glenn Howard Kuenzler | 2016-07-26 |
| 9269559 | Compositions and methods for modifying lumen maintenance characteristics of phosphor-containing coatings | William Winder Beers, William Erwin Cohen, Fangming Du | 2016-02-23 |
| 9234128 | Chemical bleaching for improved performance of recycled lamp phosphors | David James Monk | 2016-01-12 |
| 9090816 | Fluorescent lamp phosphor recycling | — | 2015-07-28 |
| 9018830 | Strontium phosphor blends having high CRI | Fangming Du, William Winder Beers, William Erwin Cohen | 2015-04-28 |
| 8987984 | Fluorescent lamp including phosphor composition with special BAMn phosphor, (Ba,Sr,Ca)(Mg1-x Mnx)Al10O17:Eu2+ | William Erwin Cohen, Fangming Du, William Winder Beers | 2015-03-24 |
| 8866372 | Phosphor system for improved efficacy lighting sources | William Winder Beers, Fangming Du, William Erwin Cohen, Alok Mani Srivastava, Samuel Joseph Camardello +1 more | 2014-10-21 |
| 8851950 | Recyclability of fluorescent lamp phosphors | David James Monk | 2014-10-07 |
| 8565364 | Water based dispersions of boron or boron compounds for use in coating boron lined neutron detectors | James Michael Lustig | 2013-10-22 |
| 8502157 | Boron containing coating for neutron detection | James Michael Lustig | 2013-08-06 |
| 8461753 | Fluorescent lamp with multi-layer phosphor coating | Fangming Du, William Winder Beers | 2013-06-11 |
| 8446085 | Fluorescent lamp with zinc silicate phosphor and protective phosphor layer | Jianmin He, William Erwin Cohen | 2013-05-21 |
| 8134294 | Low pressure discharge lamps with coated inner wires for improved lumen maintenance | — | 2012-03-13 |
| 8053962 | Fluorescent lamp with UV-blocking layer and protective sleeve | James Michael Kostka | 2011-11-08 |
| 7834533 | T8 fluorescent lamp | — | 2010-11-16 |
| 7737639 | Fluorescent lamps having desirable mercury consumption and lumen run-up times | István Károly Deme, Laszlo Balazs, Katalin Toth | 2010-06-15 |
| 7550910 | Fluorescent lamp with barrier layer containing pigment particles | — | 2009-06-23 |
| 7282848 | Fluorescent lamp having phosphor layer that is substantially free from calcium carbonate | — | 2007-10-16 |
| 6992432 | Fluorescent lamp | — | 2006-01-31 |
| 6952081 | Fluorescent lamp having ultraviolet reflecting layer | Colleen M. Griffith | 2005-10-04 |
| 6841939 | Fluorescent lamp | Curtis E. Scott, Edward E. Hammer | 2005-01-11 |