...that after Walter Hunt patented the safety pin in 1849, he sold the rights to it for $400?
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| D656976 | Lens blank having a surface pattern applied thereto | 04/03/2012 |
| 8079707 | Eyeglass prescription method In general, in some embodiments, the disclosure provides a method that includes making a subjective refraction of a person to determine information about the person's vision, making a wavefront measurement of one or both of the person's eyes to determine information... | 12/20/2011 |
| D649991 | Lens blank having a surface pattern applied thereto | 12/06/2011 |
| 8038296 | Optical observation instrument and a method of controllably adjusting a refractive power in such instrument An optical observation instrument, in particular a spectacle, a reading aid or a telescope, comprises an optical element, in particular a spectacle lens, adapted to be controllably adjustable in its refractive power, a sensor, and a control unit for adjusting the re... | 10/18/2011 |
| 8011996 | Polishing head for a polishing machine A polishing head for polishing machines, in particular for polishing optical surfaces, has a polishing plate that is connected to a rotationally drivable drive shaft. The polishing plate is articulated to, and rotates with, the drive shaft. A ball hexagonal socket j... | 09/06/2011 |
| 8007103 | System and method for prescription of visual aids In one aspect, the invention features a method for determining an eyeglass prescription for an eye. The method includes obtaining a measurement of a wavefront indicative of the refractive properties of the eye, establishing an optimization space corresponding to a p... | 08/30/2011 |
| 7972000 | Method and arrangement for determining the individually required addition of a vision aid The invention is directed to a method for determining the individually required addition (Add) of a vision assist for an eye, the method having the following steps: a) a preliminary addition (Addpreliminary) is determine... | 07/05/2011 |
| 7916407 | Holding assembly and transport arrangement for handling lenses and method for finishing lenses A holding device (1) holds a lens (6) at its lens edge (5) with the aid of an adhesive connection (16, 17). The adhesive connection (16, 17) is applied only at one adhesive point or only at two spaced apart adhesive points (16, ... | 03/29/2011 |
| 7757373 | Method and tool head for machining optically active surfaces, particularly surfaces of progressive spectacle lenses, which are symmetrical in pairs A method and a tool head are provided for the chip-removingly machining of pairwise symmetrical, optically effective surfaces, in particular of surfaces of progressive power spectacle lenses. The spectacle lenses are rotated about a first axis and are displaced alon... | 07/20/2010 |
| D619258 | Inlay for transport tray for spectable lenses and spectacle lens blanks | 07/06/2010 |
| D619257 | Transport tray for spectacle lenses and spectacle lens blanks | 07/06/2010 |
| 7744217 | Apparatus and method for determining an eyeglass prescription for a vision defect of an eye The disclosure relates to a method for determining an eyeglass prescription for a vision defect of an eye. In certain embodiments, the method includes optimizing a caustic in the area of the retina of the eye for a light ray passing through the eyeglass prescription... | 06/29/2010 |
| 7728962 | Device for visualizing a mark on a spectacle lense A method and an apparatus for making visible a mark on a spectacle lens are disclosed. An illumination light beam is directed to the spectacle lens. The illumination light beam runs through the spectacle lens and, after having run through the spectacle lens, is refl... | 06/01/2010 |
| D612057 | Inlay for transport tray for spectacle lenses and spectacle lens blanks | 03/16/2010 |
| 7645099 | Apparatus for machining a workpiece A machining apparatus includes at least one tool holder (1) and at least one cutting tool (2) that are detachably interconnected. At least one first marking (7a) is provided on the tool holder (1) and at least one further marking (... | 01/12/2010 |
| 7614742 | Method for producing ophthalmic lenses and other shaped bodies with optically active surfaces The invention concerns a method for producing ophthalmic lenses that uses plastic blanks in the form of flat, round discs. The outer edge of said plastic blanks is clamped and the desired final surface geometry and surface quality of the front faces of the lens are ... | 11/10/2009 |
| 7588335 | Measuring brace and arrangement and method for determining the forward angle of inclination of a spectacle frame A measuring brace is removably fastened to a spectacle frame. The measuring brace has a traverse and two legs. A front face of the measuring brace is provided with at least three front target marks for measuring the forward angle (α) of a spectacle frame to be meas... | 09/15/2009 |
| 7544399 | Method for vapor depositing a material utilizing an electron beam An arrangement for controlling the deflection of an electron beam in a vapor deposition system includes a control unit to which are assigned deflection modules (23, 27) which can be driven in accordance with respective selected functions. By driving these def... | 06/09/2009 |
| 7503834 | Apparatus and a method of polishing an optical surface; an optical component; and a method of manufacturing a polishing tool An apparatus for polishing an optical surface, in particular an optical surface of a spectacle lens, is disclosed. The apparatus comprises a polishing head having a polishing tool, the polishing tool being provided along a common axis, one behind another, with a fir... | 03/17/2009 |
| 7423741 | Method for visualizing a mark on a spectacle lens A method and an apparatus for making visible a mark on a spectacle lens are disclosed. An illumination light beam is directed to the spectacle lens. The illumination light beam runs through the spectacle lens and, after having run through the spectacle lens, is refl... | 09/09/2008 |
| 7413502 | Method for producing ophthalmic lenses and other shaped bodies with optically active surfaces The invention concerns a method for producing ophthalmic lenses that uses plastic blanks in the form of flat, round discs. The outer edge of said plastic blanks is clamped and the desired final surface geometry and surface quality of the front faces of the lens are ... | 08/19/2008 |
| 7384144 | Apparatus and method for determining centering data for spectacles An apparatus (3) for determining centering data for eyeglasses (2) comprises a fixation device (5) and a recording unit (4) that can be triggered by a computer, records electronic images, and is disposed behind a divider element (8... | 06/10/2008 |
| 7338346 | Method and apparatus for producing optical glasses The invention relates to a method and an apparatus for producing optical glasses. The glasses are polished and marked, following a shaping process. The polishing and marking steps are carried out in a common processing cell which comprises a polishing station, a was... | 03/04/2008 |
| 7306334 | Method for positioning a semi-finished spectacle lens In a method for the parallax-free centering of an optical element, in particular a semifinished product of a future spectacle lens, on a holder of a centering or mounting device, the optical element is provided with engravings. The centering of the optical element i... | 12/11/2007 |
| 7255628 | Method and apparatus for producing optical glasses The invention relates to a method and an apparatus for producing optical glasses. The glasses are polished and marked, following a shaping process. The polishing and marking steps are carried out in a common processing cell which comprises a polishing station, a was... | 08/14/2007 |
| 7153184 | Method and apparatus for producing optical glasses The invention relates to a method and an apparatus for producing optical glasses. The glasses are polished and marked, following a shaping process. The polishing and marking steps are carried out in a common processing cell which comprises a polishing station, a was... | 12/26/2006 |
| 7131725 | Auto-focussing glasses and method for auto-focussing a pair of glasses A self-focussing spectacle as well as a method for self-focussing a spectacle are proposed. The spectacle comprises at least one spectacle lens of adjustable refracting power, and means for adjusting the refracting power of the spectacle lens as a function of a meas... | 11/07/2006 |
| 7083279 | Process and an apparatus for making plastic material spectacle lenses A process and an apparatus are used for making spectacle lenses from plastic material. The spectacle lenses are worked by working plastic material blanks as a function of data representing the surface of the finished spectacle lens as well as work process parameters... | 08/01/2006 |
| 6994538 | Apparatus and method for molding optical lenses An apparatus and a method for molding optical lenses are disclosed. The apparatus comprises a first molding shell with a first diameter, a sealing element surrounding the first molding shell, and means for radially clamping the sealing element against the first mold... | 02/07/2006 |