1
Ivan Melnyk, Andrew H Rawicz, Pawel Kowalski: Dental light curing and diagnosing device. December 4, 2001: US06325623 (51 worldwide citation)

A dental light curing device with an expanded functionality for diagnosing abnormalities by observation of native or induced fluorescence in the oral cavity. An optical assembly consisting of a short pass or band pass filter and a spacer is applied to the output distal end of the dental light curing ...


2
Andrew Rawicz, Ivan Melnyk, Romuald Lakowski: Method and apparatus for color matching of slightly colored translucent objects such as teeth and dental prosthesis, in particular. Nixon Peabody, August 29, 2000: US06111650 (49 worldwide citation)

The invention relates to a method and apparatus for color matching of slightly colored objects which are transparent, diffusing an absorbent, by acuminating a small error of the objects with a first bunch of optical fibers. A second bunch of optical fibers is used to pick up the light back scattered ...


3
Satish Sundar, Swaminathan Balakrishnan, Ivan Melnyk: High precision infusion pumps. Mark Wisnosky, April 3, 2012: US08147448 (27 worldwide citation)

A system architecture for closed loop control of infusion devices is described. The architecture provides means to control the flow from an infusion device as well as in some embodiments the pressure of the delivery. A variety of infusion systems are described that use the closed loop control archit ...


4
Satish Sundar, Swaminathan Balakrishnan, Ivan Melnyk: High precision infusion pump controller. Mark Wisnosky, April 3, 2012: US08147447 (27 worldwide citation)

A controller for closed loop control of infusion devices is described. A variety of infusion systems are described that use the closed loop control architecture. In some embodiments the closed loop control may be adapted to current commonly used infusion means such as a gravity feed intravenous syst ...


5
Ivan Melnyk, Andrew H Rawicz, Pawel Kowalski: Dental translucency analyzer and method. August 21, 2001: US06276933 (14 worldwide citation)

The invention relates to a dental device which measures the translucency of the anterior tooth that is adjacent to the tooth to be restored and gives the translucency factor that is used for the creation of a natural looking repaired tooth. The device illuminates the incisal part of the tooth with w ...


6
Andrew H Rawicz, Pawel Kowalski, Ivan Melnyk: Dental color comparator scope. June 12, 2001: US06244863 (12 worldwide citation)

A dental comparator scope for comparing a dental shade to a natural tooth. The scope comprises an L-shape body which includes a sight applying to the tooth and a handle for holding the scope, and a cartridge with a plurality of dental shades in it. Two identical optical channels are mounted, one ins ...


7
Ivan Melnyk: Fiber optic sensing device for measuring a physical parameter. Oyen Wiggs Green & Mutala, Richard A Johnson, August 29, 2006: US07099015 (11 worldwide citation)

A fiber optic sensing device uses a Fabry-Perot cavity to sense a physical parameter. The cavity modulates the incident polychromatic light. The modulated light is recorded by an optical spectrometer means. The spectrum is analyzed in a signal processing unit which normalizes the spectrum and determ ...


8
Ivan Melnyk, John Kidder: Cable identifier apparatus and method. July 8, 2003: US06590659 (8 worldwide citation)

The invention is a cable identifier apparatus and a method for fast identification of multi-wire or multi fiber cable. The method is based on illumination of colored buffer of the wire or fiber, registration the reflected light and comparison the measuring data with reference data stored in the memo ...


9
Ivan Melnyk: Fiber optic flow sensing device and method. Photon Control, Kirton & McConkie, Evan R Witt, December 16, 2008: US07466399 (4 worldwide citation)

The invention provides an optical flow meter for measuring fluid flow through a pipe which obviates the need for the flow to be seeded with foreign particles. The meter comprises a fiber optic Sagnac interferometer with optical path crossing the flowing fluid. The interferometer measures velocity of ...


10
Ivan Melnyk, Ivan Tochev: FIber optic apparatus for switching electrical loads. November 15, 2005: US06965720 (3 worldwide citation)

A fiber optic switching apparatus for switching electrical loads is comprised of a switching box, an optical cable, and an electronic adapter. The switching box consists of an internal housing attached to the front panel of an external housing, and an actuator and a fitting for holding the optical c ...