Issued Patents All Time
Showing 51–75 of 76 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7063421 | Spectacle lens with small higher order aberrations | Edda Wehner, Andrea Welk, Walter Haimerl, Gregor Esser | 2006-06-20 |
| 7033024 | Method for manufacturing an eyeglass lens | Roswitha Fendt, Fritz Gruna, Walter Haimerl, Gregor Esser, Herbert Pfeiffer | 2006-04-25 |
| 7021763 | Method for representing and optimizing a double-progressive spectacle lens | Andrea Welk, Peter Baumbach, Walter Haimerl, Herbert Pfeiffer, Gregor Esser | 2006-04-04 |
| 7008058 | Progressive spectacle lens having two aspherical progressive surfaces | Walter Haimerl, Herbert Pfeiffer, Gregor Esser | 2006-03-07 |
| 6974214 | B-spline optimization of optical glasses especially spectacle glasses with planes of symmetry | Andrea Welk, Peter Baumbach, Rainer Dorsch, Gregor Esser, Walter Haimerl +1 more | 2005-12-13 |
| 6964478 | Progressive spectacle lens | Andrea Welk, Peter Baumbach, Walter Haimerl, Herbert Pfeiffer, Gregor Esser +8 more | 2005-11-15 |
| 6965385 | Method for simulating and demonstrating the optical effects of glasses on the human face | Andrea Welk, Peter Baumbach, Gregor Esser, Walter Haimerl | 2005-11-15 |
| 6848788 | Progressive spectacle lens with low magnifying differences | Andrea Welk, Peter Baumbach, Walter Haimerl, Herbert Pfeiffer, Gregor Esser +1 more | 2005-02-01 |
| 6834957 | Progressive spectacle lens having a genuine short progression area | Andrea Welk, Peter Baumbach, Walter Haimeri, Gregor Esser, Edda Wehner +3 more | 2004-12-28 |
| 6832834 | Method for computing a progressive spectacle lens and methods for manufacturing a spectacle lens of this kind | Walter Haimerl, Herbert Pfeiffer, Gregor Esser | 2004-12-21 |
| 6808263 | Progressive spectacle lens producing only slight dynamic distortion | Andrea Welk, Peter Baumbach, Walter Haimerl, Herbert Pfeiffer, Gregor Esser +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, Walter Haimerl, Herbert Pfeiffer, Gregor Esser +2 more | 2004-08-24 |
| 6776487 | Progressive spectacle lens having only a small change of binocular properties during a movement of glance | Walter Haimerl, Herbert Pfeiffer, Gregor Esser, Andrea Welk, Peter Baumbach +1 more | 2004-08-17 |
| 6752497 | Single vision spectacle lens | Gregor Esser, Herbert Pfeiffer, Walter Haimerl | 2004-06-22 |
| 6685316 | Method of manufacturing progressive ophthalmic lenses | Peter Baumbach, Gregor Esser, Werner Mueller, Jochen Brosig, Walter Haimerl +1 more | 2004-02-03 |
| 6669337 | Progressive spectacle lens with low swaying effects | Andrea Welk, Peter Baumbach, Walter Haimerl, Herbert Pfeiffer, Norbert Awrath +8 more | 2003-12-30 |
| 6655802 | Method for producing eyeglasses | Martin Zimmermann, Peter Baumbach, Walter Haimerl, Herbert Pfeiffer, Gregor Esser +5 more | 2003-12-02 |
| 6231182 | Monofocal ophthalmic lens having two aspherical surfaces | Gunther Guilino, Herbert Pfeiffer, Walter Haimerl, Gregor Esser | 2001-05-15 |
| 6213603 | Progressive ophthalmic lens | Gregor Esser, Herbert Pfeiffer, Rudolf Barth, Monika Fuess, Walter Haimerl | 2001-04-10 |
| 5992998 | Ophthalmic lens having a progressive effect | Herbert Pfeiffer, Walter Haimerl | 1999-11-30 |
| 5920372 | Ophthalmic lens having an astigmatic effect | Gunther Guilino, Herbert Pfeiffer, Rudolf Barth | 1999-07-06 |
| 5880810 | Series for progressive spectacle lenses | Rudolf Barth, Peter Baumbach, Jochen Brosig, Gregor Esser, Gunther Guilino +3 more | 1999-03-09 |
| 5854669 | Series of lenses | Norbert Awrath, Rudolf Barth, Peter Baumbach, Jochen Brosig, Gregor Esser +6 more | 1998-12-29 |
| 5148205 | Ophthalmic lens having a changing refractive index | Gunther Guilino, Herbert Pfeiffer | 1992-09-15 |
| 5061058 | Opthalmic lens for use in the correction of astigmatism | Gunther Guilino, Herbert Pfeiffer | 1991-10-29 |