1
James L Overbeck, Richard J Van Andel: Optical measurement device and related process. X Rite Incorporated, Warner Norcross & Judd, June 15, 2004: US06750971 (48 worldwide citation)

An instrument and related process for measuring color, shade, gloss, shape and/or translucence of a tooth. First, the instrument uses searchlight illumination to illuminate a tooth with constant irradiance. Second, the instrument uses colorimetric imaging to collect time-separated frames of differen ...


2
James L Overbeck, Michael A Galen, Richard J Van Andel, Christian L Boes: Optical measurement device and related process. X Rite Incorporated, Warner Norcross & Judd, April 18, 2006: US07030986 (14 worldwide citation)

An instrument and related process for measuring color, shade, gloss, shape and/or translucence of a tooth. First, the instrument uses searchlight illumination to illuminate a tooth with constant irradiance. Second, the instrument uses colorimetric imaging to collect time-separated frames of differen ...


3
Richard J Van Andel, Gary L Utter, Gregory J Nagel: Self-aligning sewer pipe laser. Laser Alignment, Van Dyke Gardner Linn & Burkhart, April 15, 1997: US05621531 (14 worldwide citation)

A method and apparatus for aligning individual sections of pipe includes directing a beam of collimated light in the general direction of the pipeline and scanning the beam laterally. A target, having a retro reflective portion, is positioned in a location that will be traversed by the scanning beam ...


4
James L Overbeck, Richard J Van Andel: Systems and methods for measuring a colored flexible material during a manufacturing process. X Rite, McCarter & English, June 9, 2009: US07545499 (13 worldwide citation)

A method for measuring a flexible colored material during a manufacturing process. The method includes automatically diverting the flexible material from a process path, placing the flexible material in contact with a rotatable drum, and measuring spectral data of the flexible material as the drum r ...


5
James L Overbeck, Richard J Van Andel, Michael A Galen, Christian L Boes: Optical measurement device and related process. X Rite Incorporated, Warner Norcross & Judd, March 15, 2005: US06867864 (12 worldwide citation)

An instrument and related process for measuring color, shade, gloss, shape and/or translucence of a tooth. First, the instrument uses searchlight illumination to illuminate a tooth with constant irradiance. Second, the instrument uses colorimetric imaging to collect time-separated frames of differen ...


6
James L Overbeck, Richard J Van Andel: Glare-directed imaging. X Rite, McCarter & English, January 20, 2009: US07480035 (4 worldwide citation)

Imaging that uses glare to confirm proper measurement of a sample. An imaging device illuminates an object and generates glare (i.e., specular reflection, diffuse reflection or a combination of the two) off the object's surface, which is displayed on a display as a glare artifact. The location of th ...


7
James L Overbeck, Richard J Van Andel: Optical measurement device and related process. X Rite Incorporated, Kirkpatrick & Lockhart Nicholson Graham, May 23, 2006: US07050168 (3 worldwide citation)

An instrument and related process for measuring color, shade, gloss, shape and/or translucence of a tooth. First, the instrument uses searchlight illumination to illuminate a tooth with constant irradiance. Second, the instrument uses calorimetric imaging to collect time-separated frames of differen ...


8
James L Overbeck, Richard J Van Andel: Glare-directed imaging. X Rite Incorporated, Kirkpatrick & Lockhart Nicholson Graham, February 28, 2006: US07006210 (3 worldwide citation)

Imaging that uses glare to confirm proper measurement of a sample. An imaging device illuminates an object and generates glare (i.e., specular reflection, diffuse reflection or a combination of the two) off the object's surface, which is displayed on a display as a glare artifact. The location of th ...


9
Richard J Van Andel, James L Overbeck: Color measurement engine with UV filtered illumination. X Rite, McCarter & English, August 28, 2007: US07262855 (2 worldwide citation)

A color measurement instrument includes a housing and illuminators, a two-dimensional photodetector array, and an optics system within the housing. A UV filter wheel closes the housing to prevent contaminants from entering the housing. The filter wheel supports UV filters and non-UV glass that can b ...


10
Richard J Van Andel, James L Overbeck: Color measurement engine with parallel detectors. X Rite, McCarter & English, September 11, 2007: US07268879

A color measurement instrument includes a housing and illuminators, a two-dimensional photodetector array, and an optics system within the housing. A UV filter wheel closes the housing to prevent contaminants from entering the housing. The filter wheel supports UV filters and non-UV glass that can b ...