Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7930151 | Method for calculating an individual progressive lens | Stephan Haser, Andrea Welk, Gregor Esser, Helmut Altheimer | 2011-04-19 |
| 7673990 | Individual eyeglass lens | Gregor Esser, Helmut Altheimer, Norbert Awrath, Jochen Brosig, Winfried Nikolaus +4 more | 2010-03-09 |
| 7540611 | Method for designing and optimizing an individual spectacle glass | Andrea Welk, Gregor Esser, Peter Baumbach, Helmut Altheimer, Edda Wehner | 2009-06-02 |
| 7347546 | Individual single-vision spectacle lens | Gregor Esser, Werner Mueller, Herbert Pfeiffer, Helmut Altheimer, Peter Baumbach +1 more | 2008-03-25 |
| 7338162 | Workplace screen lens | Helmut Altheimer, Gregor Esser, Edda Wehner, Andrea Welk | 2008-03-04 |
| 7334893 | Series of progressive ophthalmic lenses with low divergence and rotation of astigmatism | Helmut Altheimer, Gregor Esser, Wolfgang Becken, Andrea Welk, Edda Wehner | 2008-02-26 |
| 7300153 | Double progressive spectacle lens | Edda Wehner, Andrea Welk, Gregor Esser, Helmut Altheimer | 2007-11-27 |
| 7210779 | Double progressive spectacle lens | Gregor Esser, Edda Wehner, Andrea Welk, Helmut Altheimer, Martin L. Zimmerman | 2007-05-01 |
| 7168805 | Method for optimizing a progressive spectacle lens | Edda Wehner, Andrea Welk, Gregor Esser, Helmut Altheimer | 2007-01-30 |
| 7144110 | Double progressive spectacle lens | Helmut Altheimer, Gregor Esser, Edda Wehner, Andrea Welk | 2006-12-05 |
| 7083277 | Pair of spectacle lenses | Gregor Esser, Helmut Altheimer, Edda Wehner, Andrea Welk | 2006-08-01 |
| 7063421 | Spectacle lens with small higher order aberrations | Edda Wehner, Andrea Welk, Helmut Altheimer, Gregor Esser | 2006-06-20 |
| 7033022 | Progressive spectacle lens for seeing objects at a large or average distance | Rainer Dorsch | 2006-04-25 |
| 7033024 | Method for manufacturing an eyeglass lens | Roswitha Fendt, Fritz Gruna, Helmut Altheimer, Gregor Esser, Herbert Pfeiffer | 2006-04-25 |
| 7021763 | Method for representing and optimizing a double-progressive spectacle lens | Andrea Welk, Peter Baumbach, Herbert Pfeiffer, Gregor Esser, Helmut Altheimer | 2006-04-04 |
| 7008058 | Progressive spectacle lens having two aspherical progressive surfaces | Herbert Pfeiffer, Gregor Esser, Helmut Altheimer | 2006-03-07 |
| 6974214 | B-spline optimization of optical glasses especially spectacle glasses with planes of symmetry | Andrea Welk, Helmut Altheimer, Peter Baumbach, Rainer Dorsch, Gregor Esser +1 more | 2005-12-13 |
| 6964478 | Progressive spectacle lens | Andrea Welk, Peter Baumbach, Herbert Pfeiffer, Gregor Esser, Helmut Altheimer +8 more | 2005-11-15 |
| 6965385 | Method for simulating and demonstrating the optical effects of glasses on the human face | Andrea Welk, Helmut Altheimer, Peter Baumbach, Gregor Esser | 2005-11-15 |
| 6848788 | Progressive spectacle lens with low magnifying differences | Andrea Welk, Peter Baumbach, Herbert Pfeiffer, Gregor Esser, Helmut Altheimer +1 more | 2005-02-01 |
| 6832834 | Method for computing a progressive spectacle lens and methods for manufacturing a spectacle lens of this kind | Herbert Pfeiffer, Gregor Esser, Helmut Altheimer | 2004-12-21 |
| 6808263 | Progressive spectacle lens producing only slight dynamic distortion | Andrea Welk, Peter Baumbach, Herbert Pfeiffer, Gregor Esser, Helmut Altheimer +1 more | 2004-10-26 |
| 6779889 | Progressive spectacle lens exhibiting only slight dynamic change of the properties of use during a horizontal viewing movements | Andrea Welk, Peter Baumbach, Herbert Pfeiffer, Gregor Esser, Helmut Altheimer +2 more | 2004-08-24 |
| 6776487 | Progressive spectacle lens having only a small change of binocular properties during a movement of glance | Herbert Pfeiffer, Gregor Esser, Helmut Altheimer, Andrea Welk, Peter Baumbach +1 more | 2004-08-17 |
| 6752497 | Single vision spectacle lens | Gregor Esser, Helmut Altheimer, Herbert Pfeiffer | 2004-06-22 |