Resources Contact Us Home
Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
Browse by Category: Main > Information Technology
Class Information
Number: 33/28
Name: Geometrical instruments > Scriber > Curved line > Lens
Description: Devices designed for describing the outlines of lenses.










Patents under this class:

Patent Number Title Of Patent Date Issued
8578617 Eyeglass frame shape measurement apparatus Nov. 12, 2013
8499468 Lens shape measurement device Aug. 6, 2013
8205345 Method of correcting the shape of a sensed curve approximating a longitudinal trace of a bezel of an eyeglass frame, and a method of acquiring the shape of an outline of such a bezel Jun. 26, 2012
8042280 Lens shape measurement device Oct. 25, 2011
8015716 Eyeglass frame shape measurement apparatus Sep. 13, 2011
7996997 Spectacle measuring tool Aug. 16, 2011
7891815 Systems and methods for displaying three-dimensional images Feb. 22, 2011
7845088 Lens shape measuring method and lens shape measuring apparatus Dec. 7, 2010
7721452 Shape measuring apparatus for eyeglasses May. 25, 2010
7661197 Method of reading the outline of the bezel of a rim of an eyeglass frame Feb. 16, 2010
7631431 Eyeglass frame measurement apparatus Dec. 15, 2009
7571545 Contour reading device including a feeler mobile in rotation Aug. 11, 2009
7500316 Contour reading device comprising a force sensor Mar. 10, 2009
7500315 Hole data input device and eyeglass lens processing apparatus having the same Mar. 10, 2009
7467472 Method of controlling a feeler to read the bezel of an eyeglass frame Dec. 23, 2008
6935033 Measuring instrument for establishing the angle of tilt of a lens mounting rim of a spectacles frame Aug. 30, 2005
6848789 System, method and article of manufacture to determine and communicate optical lens sizing and prescription information Feb. 1, 2005
6845678 Spectacle frame shape measuring apparatus Jan. 25, 2005
6742272 Lens shape measuring apparatus Jun. 1, 2004
6481109 Control system for eyeglass tracer Nov. 19, 2002
6473977 Eyeglass frame and lens tracing apparatus and method Nov. 5, 2002
6381012 System, method and article of manufacture to determine and communicate optical lens sizing and prescription information Apr. 30, 2002
6327790 Method of calibrating a grinding wheel for grinding ophthalmic lenses, and calibration template for implementing the method Dec. 11, 2001
6263583 Method of measuring eyeglass frame, an apparatus for the method, and eyeglass lens grinding apparatus having the same Jul. 24, 2001
6249991 Control system for eyeglass tracer Jun. 26, 2001
6071176 Gauge for and method of calibrating a lens cutting/grinding machine Jun. 6, 2000
6032377 Non-spherical surface shape measuring device Mar. 7, 2000
5964040 Illuminated progressive lens marker Oct. 12, 1999
5960550 Device and method for marking ophthalmic lenses and molds Oct. 5, 1999
5640775 Determining and marking apparatus and method for use in optometry and ophthalmology Jun. 24, 1997
5615486 Apparatus for measuring the shape of a frame of spectacles Apr. 1, 1997
5515612 Apparatus for measuring the shape of a frame of spectacles May. 14, 1996
5335419 Determining and marking apparatus and method for use in optometry and ophthalmology Aug. 9, 1994
5195246 Method for reading the shape of any elastically deformable article, in particular for reading the contour of an eyeglass frame rim or surround Mar. 23, 1993
5148602 Determining and marking apparatus and method for use in optometry and ophthalmology Sep. 22, 1992
5138770 Eyeglasses frame tracing device Aug. 18, 1992
5121550 Automatic surface tracer Jun. 16, 1992
5121548 Contour follower device, in particular for eyeglass frames Jun. 16, 1992
5097600 Support device, especially for eyeglass frames Mar. 24, 1992
5046257 Determining and marking apparatus and method for use in optometry and ophthalmology Sep. 10, 1991
5036592 Determining and marking apparatus and method for use in optometry and ophthalmology Aug. 6, 1991
4991305 Spectacle-lens-frame configuration measuring apparatus and article configuration measuring apparatus Feb. 12, 1991
4977675 Apparatus for marking eyeglass lens blanks Dec. 18, 1990
4942696 Blocking shim and method for prescription-laboratory processing of aspheric progressive-addition lenses Jul. 24, 1990
4936017 Apparatus for forming a lens pattern Jun. 26, 1990
4724617 Apparatus for tracing the lens opening in an eyeglass frame Feb. 16, 1988
4676004 Automatic marking device for lensmeter Jun. 30, 1987
4646445 Demonstration device for showing the required sizes of lenses for eyeglasses Mar. 3, 1987
4307984 Cutting elements Dec. 29, 1981











 
 
  Recently Added Patents
Efficient location discovery
Vehicle and communication monitoring
Method and assembly for determining the temperature of a test sensor
Polyamide compositions
High-frequency-link power-conversion system having direct double-frequency ripple current control and method of use
Magnetic recording medium, information storage device, and method of manufacturing magnetic recording medium
Processing circuitry for use with a position sensor
  Randomly Featured Patents
Dictating apparaus which is remotely controlled utilizing a push-button telephone
Kinesthetic training system with composite feedback
Method of calibrating the optical system of a laser machine for processing electrical circuit substrates
Paper tape splicer for cigarette makers
Liquid dispensing assembly
Terminal for portable mobile communication
Digital video signal color detector, corrector and method
Materials purification by treatment with hydrogen-based plasma
Process for the preparation of parboiled wheat grains for human consumption
Manufacturing tool for wafer level package and method of placing dies