Issued Patents All Time
Showing 25 most recent of 31 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10247936 | Thermally switched optical filter incorporating a guest-host architecture | Richard M. Powers | 2019-04-02 |
| 10208439 | Pavement marking tape with widely-distributed, multi-edged relief features for improved retroreflectivity | Gordon Sill, Kevin H. White, Robert Humphrey, Michael Pitt, Coit Stevenson | 2019-02-19 |
| 9256085 | Multifunctional building component | Richard M. Powers, Alex K. Burney | 2016-02-09 |
| 9188804 | Methods for fabricating thermochromic filters | Richard M. Powers, Matthew B. Kish | 2015-11-17 |
| 9116302 | Optical metapolarizer device | Richard M. Powers, Wounjhang Park | 2015-08-25 |
| 8947760 | Thermotropic optical shutter incorporating coatable polarizers | — | 2015-02-03 |
| 8908267 | Low-emissivity window films and coatings incorporating nanoscale wire grids | Paul Ciszek, Richard M. Powers | 2014-12-09 |
| 8867132 | Thermochromic filters and stopband filters for use with same | Richard M. Powers | 2014-10-21 |
| 8828176 | Polymer stabilized thermotropic liquid crystal device | Richard M. Powers, Neil Brian Cramer, Christopher M. Caldwell, Michael Pickford, Matthew B. Kish +1 more | 2014-09-09 |
| 8760750 | Thermally switched absorptive window shutter | Richard M. Powers | 2014-06-24 |
| 8755105 | Thermally switched reflective optical shutter | Richard M. Powers | 2014-06-17 |
| 8699114 | Multifunctional building component | Richard M. Powers, Alex K. Burney | 2014-04-15 |
| 8665414 | Methods for fabricating thermochromic filters | Richard M. Powers, Matthew B. Kish | 2014-03-04 |
| 8643795 | Thermally switched optical filter incorporating a refractive optical structure | Richard M. Powers | 2014-02-04 |
| 8634137 | Glare management of reflective and thermoreflective surfaces | Richard M. Powers | 2014-01-21 |
| 8593581 | Thermally switched optical downconverting filter | Richard M. Powers | 2013-11-26 |
| 8363307 | Multicolor light emitting device incorporating tunable quantum confinement devices | Richard M. Powers | 2013-01-29 |
| 8284336 | Thermally switched optical filter incorporating a guest-host architecture | Richard M. Powers | 2012-10-09 |
| 8169685 | Thermally switched absorptive window shutter | Richard M. Powers | 2012-05-01 |
| 8076661 | Thermally switched optical downconverting filter | Richard M. Powers | 2011-12-13 |
| 8072672 | Thermally switched reflective optical shutter | Richard M. Powers | 2011-12-06 |
| 7977621 | Thermochromic optical filter in which transition wavelength is variable and controllable by adjustable temperature of a chosen quantum well layer | Richard M. Powers | 2011-07-12 |
| 7936500 | Wavelength-specific optical switch | Richard M. Powers | 2011-05-03 |
| 7768693 | Thermally switched optical downconverting filter | Richard M. Powers | 2010-08-03 |
| 7755829 | Thermally switched reflective optical shutter | Richard M. Powers | 2010-07-13 |