Issued Patents All Time
Showing 1–20 of 20 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12325661 | Lead free glass composition for microchannel plate fabrication | — | 2025-06-10 |
| 10815145 | High index glass and devices incorporating such | — | 2020-10-27 |
| 10364175 | Methods for producing shaped glass articles | Thierry Luc Alain Dannoux, Michel Prassas | 2019-07-30 |
| 10336647 | Holmium-based contrast enhancing UV blocking glass compositions | — | 2019-07-02 |
| 10167222 | Selenium-free sunglass material with brown tint | Pierre-Jean Baron | 2019-01-01 |
| 9938182 | Ultraviolet absorbing glass and articles thereof | — | 2018-04-10 |
| 9145330 | Photochromic glasses | — | 2015-09-29 |
| 8709577 | High porosity ceramic honeycomb article containing rare earth oxide and method of manufacturing same | Douglas Munroe Beall, Gregory Albert Merkel | 2014-04-29 |
| 8183170 | Contrast-enhancing UV-absorbing glass and articles containing same | — | 2012-05-22 |
| 7964262 | Layered silicate modified cordierite and method | Dilip K. Chatterjee, Michele Marie-Louise Fredholm, Gregory Albert Merkel, Steven Bolaji Ogunwumi | 2011-06-21 |
| 7914874 | Fugitive pore former for porous ceramic articles | David Henry | 2011-03-29 |
| 6420290 | Colorless inorganic glass | Christophe Remy | 2002-07-16 |
| 6320366 | Method of measuring a large current using a glass fiber current sensor | Nicholas Francis Borrelli, Lauren K. Cornelius, Paul L. Netter, Daniel Louis Gabriel Ricoult, Paul A. Tick | 2001-11-20 |
| 6255238 | IR and UV absorbing brown solar glasses, ophthalmic lenses | — | 2001-07-03 |
| 6162749 | Photochromic glasses | Michel Prassas | 2000-12-19 |
| 6133721 | Glass fiber current sensor and method of use therefor | Nicholas Francis Borrelli, Alexandre Michel Mayolet | 2000-10-17 |
| 6048812 | Brown glass which absorbs ultraviolet radiation | Marie Jacqueline Monique Comte | 2000-04-11 |
| 5932501 | High-index glasses that absorb UV radiation | — | 1999-08-03 |
| 5525553 | Colorless ophthalmic glasses | Michel Prassas, Daniel Louis Gabriel Ricoult | 1996-06-11 |
| 5426077 | High index brown photochromic glasses | Michel Prassas, Daniel Louis Gabriel Ricoult | 1995-06-20 |