Sergey Vladimirtsev

6773339, Aug 10, 2004

Dec 10, 2002

10/314974

Alex Cooper - Brooklyn NY
Yevgeny Bederak - Long Meadow MA
Sergey Vladimirtsev - Brooklyn NY
Victor Liotta - Huntington Station NY

Universal Photonics, Inc. - Hicksville NY

B24D 1700

451495, 451533, 451359

An abrasive tool for abrasive treatment of curved surfaces, has a base; abrasive elements arranged on the base; and a connecting layer connecting the abrasive elements to the base, the connecting element being composed of an elastic material selected so that when a central area of the abrasive tool is displaced to impart to the abrasive tool a curved shape in correspondence with a curved shape of the object to be abrasively treated, a central area of the connecting layer stretches and the abrasive elements do not peel off from the base.

7014549, Mar 21, 2006

Dec 14, 2004

11/011339

Alex Cooper - Brooklyn NY, US
Yevgeny Bederak - Long Meadow MA, US
Sergey Vladimirtsev - Brooklyn NY, US

Universal Photonics, Inc. - Hicksville NY

B24D 17/00

451490, 451526, 451921

A polishing pad for polishing curved surfaces has a pad element having an axis, a central opening adjoining the axis and forming an inner edge, and an outer peripheral edge, first engaging means provided on the outer peripheral edge for engaging an outer periphery of a curved supporting body, and second engaging means provided on the inner edge of the pad element and engageable with a central opening of the curved supporting body, the first and second engaging means being harder than the pad element.

7175915, Feb 13, 2007

Apr 13, 2004

10/822879

Alex Cooper - Brooklyn NY, US
Sergey Vladimirtsev - Brooklyn NY, US
Yevgeny Bederak - New York NY, US

Universal Photonics - Hicksville NY

C08G 18/32

4284239, 156327, 1563071, 428420, 4284233, 4284248

A method of producing polyurethane pads and other articles has the steps of providing at least one polyurethane layer having a first curing agent, providing a second polymer layer having a second curing agent, providing a connecting layer between the first and second layers with the first curing agent as in the first polyurethane layer, and subjected the layers to a thermal treatment so that the same first curing agent migrates from the connecting layer to the first polyurethane layer and vice versa. Also, an article produced by the method is proposed.

7241324, Jul 10, 2007

Mar 6, 2006

11/369121

Alex Cooper - Brooklyn NY, US
Sergey Vladimirtsev - Brooklyn NY, US
Yevgeny Bederak - New York NY, US

Universal Photonics LLC - Hicksville NY

B24D 3/00
B24D 11/00
B24D 17/00
B24D 18/00
C09K 3/14

51263, 51298, 51299

A method of producing abrasive tools with abrasive particles consisting of AlOhas the steps of producing a mixture of initial components with particles of Al(OH), forming blanks of an abrasive tool from the mixture of the initial components with the particles of AL(OH), subsequently producing the abrasive tools with the abrasive particles of AlOby subjecting the blanks to a heat treatment such that the particles of Al(OH)are converted into the abrasive particles of AlOin the tools, wherein the forming includes rolling a sheet from the mixture of the initial components with the particles of Al(OH)before the heat treatment and conversion of the particles of Al(OH)the abrasive particles of AlOwhich particles of Al(OH)are softer than the abrasive particles of AlOand therefore do not damage a rolling equipment, and thereafter separating the blanks of the abrasive tools from the sheet for the subjecting to the heat treatment.

7669274, Mar 2, 2010

Jun 11, 2008

12/157344

Alex Cooper - Brooklyn NY, US
Yevgeny Bederak - Long Meadow MA, US
Sergey Vladimirtsev - Brooklyn NY, US

Universal Photonics - Hicksville NY

A47L 13/46

152441, 152443

A device for restoring a light permeability of headlight lenses of motor vehicles has a holder, a working layer attached to the holder and adapted to clean and polish a surface of a headlight lense when the device is moved relative to the latter, and a sponge-like element located between the holder and the working layer and formed so that it applies an elastic biasing action to the working layer to provide a cleaning and polishing action by the working layer and at the same time to absorb a liquid required for the cleaning and polishing action.

20050225012, Oct 13, 2005

Apr 13, 2004

10/822878

Alex Cooper - Brooklyn NY, US
Sergey Vladimirtsev - Brooklyn NY, US
Yevgeny Bederak - New York NY, US

C04B033/32

264603000

A method of producing abrasive tools with abrasive particles composed of aluminum oxide has the steps of producing a mixture of initial components with particles of Al(OH), forming blanks of abrasive tools from the mixture, and subsequently subjecting the blanks to a heat treatment so that the particles of Al(OH)are converted into abrasive particles of AlO.

20090191793, Jul 30, 2009

Jan 24, 2008

12/009981

Alex Cooper - Brooklyn NY, US
Yevgeny Bederak - New York NY, US
Richard Nastasi - Commack NY, US
Sergey Vladimirtsev - Brooklyn NY, US
Alexander Bederak - New York NY, US

B24B 1/00
B24B 5/00

451 37, 451173

Fine abrasive machining of a part includes providing a tool having a plurality of successive portions configured and arranged so that each preceding portion provides a coarser abrasive machining while each subsequent portion provides a final abrasive machining, and providing a relative movement of the abrasive tool relative to the part so that first a portion of the tool configured a coarser abrasive machining machines a part and thereafter a portion of the tool configured for a finer machine provides abrasive machining of the part.

6604990, Aug 12, 2003

Aug 31, 2001

09/943390

Alex Cooper - Brooklyn NY
Yevgeny Bederak - Long Meadow MA
Sergey Vladimirtsev - Brooklyn NY
Victor Liotta - Huntington Station NY

Universal Photonics Inc. - Hicksville NY

B24D 1100

451526, 451 41, 451533, 451538, 451550

A polishing pad for polishing glass and the like has a working layer with a plurality of polishing grains, an attaching layer with which the polishing pad is attachable to a polishing head of a power tool, and a connection layer which connects the working layer, with the attaching layer, and the connection layer is composed of vulcanizable material, which is vulcanized at certain temperature and under certain pressure and thereby connects the working layer with the attaching layer.