Dops, dop holders

Industry

CPC
B24B9/161

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Parent Industries

BPERFORMING OPERATIONS TRANSPORTING B24Grinding technology B24BMACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING DRESSING OR CONDITIONING OF ABRADING SURFACES FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS B24B9/00Machines or devices designed for grinding edges or bevels on work or for removing burrs Accessories therefor

Current Industry

B24B9/161Dops, dop holders

Industries

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Patents Grantslast 30 patents

Information Patent Grant
Automatic gemstone polishing robot
- Patent number 11,904,433
- Issue date Feb 20, 2024
- Freedom Automation Solutions LLP
- Ivan Nikolayevich Sytenko
- B24 - GRINDING POLISHING
Information Patent Grant
Polishing apparatus for smoothing diamonds
- Patent number 11,897,087
- Issue date Feb 13, 2024
- Board of Trustees of Michigan State University
- Aaron Hardy
- B24 - GRINDING POLISHING
Information Patent Grant
Positioning device for applying an object to a grinder at pre-deter...
- Patent number 11,338,408
- Issue date May 24, 2022
- Steven Duane Wortley
- B24 - GRINDING POLISHING
Information Patent Grant
Gemstone positioning fixture
- Patent number 10,040,161
- Issue date Aug 7, 2018
- GemEx Systems, Inc.
- Randall M. Wagner
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Application of a processing pin to a gemstone which is to be cut or...
- Patent number 8,815,039
- Issue date Aug 26, 2014
- Paul Wild OHG
- Markus Paul Wild
- B24 - GRINDING POLISHING
Information Patent Grant
Working a natural or synthetic hard stone such as a gemstone
- Patent number 5,746,645
- Issue date May 5, 1998
- Gersan Establishment
- David William Beal
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Apparatus for holding gemstones to be polished
- Patent number 5,435,774
- Issue date Jul 25, 1995
- Robert Naujok
- B24 - GRINDING POLISHING
Information Patent Grant
Gemstone holding apparatus
- Patent number 5,367,837
- Issue date Nov 29, 1994
- Gabriel S. Tolkowsky
- B24 - GRINDING POLISHING
Information Patent Grant
Centering apparatus for a gemstone
- Patent number 5,015,090
- Issue date May 14, 1991
- Ilan Weisman
- B24 - GRINDING POLISHING
Information Patent Grant
Dop for gemstone handling during manufacture
- Patent number 4,944,120
- Issue date Jul 31, 1990
- Ilan Weisman
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
Work holding device in work grinding and polishing machine
- Patent number 4,748,775
- Issue date Jun 7, 1988
- Suzuki Shoji Patent Office
- Takahiro Imahashi
- B24 - GRINDING POLISHING
Information Patent Grant
Gem faceting machine
- Patent number 4,715,148
- Issue date Dec 29, 1987
- Heinrich Landgraf
- B24 - GRINDING POLISHING
Information Patent Grant
Dopstick transfer jig device and method for using same
- Patent number 4,691,481
- Issue date Sep 8, 1987
- Julius Souch
- B24 - GRINDING POLISHING
Information Patent Grant
Work holding device in work grinding and polishing machine
- Patent number 4,667,446
- Issue date May 26, 1987
- Takahiro Imahashi
- B24 - GRINDING POLISHING
Information Patent Grant
Stone-positioning apparatus and method
- Patent number 4,335,544
- Issue date Jun 22, 1982
- RCA Corporation
- Ernest T. Manson
- B24 - GRINDING POLISHING
Information Patent Grant
Work holder
- Patent number 4,286,414
- Issue date Sep 1, 1981
- RCA Corporation
- Douglas H. Ziegel
- B24 - GRINDING POLISHING
Information Patent Grant
Collet chuck aligning assembly for gem faceting machines
- Patent number 4,265,057
- Issue date May 5, 1981
- Douglas L. Hoffman
- B24 - GRINDING POLISHING
Information Patent Grant
Bezel grinding attachment for a dop stick holder
- Patent number 4,202,138
- Issue date May 13, 1980
- Geode Industries, Inc.
- Edward E. Smith
- B24 - GRINDING POLISHING
Information Patent Grant
Mounting assembly for gem blanks
- Patent number 4,167,085
- Issue date Sep 11, 1979
- Magnusson; Gerda
- Maximo Elbe
- B24 - GRINDING POLISHING
Information Patent Grant
Holding means for gem stones
- Patent number 4,110,937
- Issue date Sep 5, 1978
- Kenneth E. Bein
- B24 - GRINDING POLISHING
Information Patent Grant
Hand-held gem dop
- Patent number 3,975,867
- Issue date Aug 24, 1976
- Dotson and Evans Inc.
- George Dotson
- B24 - GRINDING POLISHING
Information Patent Grant
Diamond faceting platform
- Patent number 3,948,006
- Issue date Apr 6, 1976
- Joseph Waldman
- B24 - GRINDING POLISHING
Information Patent Grant
3902285
- Patent number 3,902,285
- Issue date Sep 2, 1975
- B24 - GRINDING POLISHING
Information Patent Grant
3721465
- Patent number 3,721,465
- Issue date Mar 20, 1973
- B24 - GRINDING POLISHING
Information Patent Grant
3667634
- Patent number 3,667,634
- Issue date Jun 6, 1972
- B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information Patent Grant
3534510
- Patent number 3,534,510
- Issue date Oct 20, 1970
- A44 - HABERDASHERY JEWELLERY
Information Patent Grant
3466812
- Patent number 3,466,812
- Issue date Sep 16, 1969
- B24 - GRINDING POLISHING
Information Patent Grant
3466813
- Patent number 3,466,813
- Issue date Sep 16, 1969
- B24 - GRINDING POLISHING
Information Patent Grant
3461622
- Patent number 3,461,622
- Issue date Aug 19, 1969
- B24 - GRINDING POLISHING
Information Patent Grant
3404491
- Patent number 3,404,491
- Issue date Oct 8, 1968
- B24 - GRINDING POLISHING

Patents Applicationslast 30 patents

Information Patent Application
POLISHING APPARATUS FOR SMOOTHING DIAMONDS
- Publication number 20230286102
- Publication date Sep 14, 2023
- Board of Trustees of Michigan State University
- Aaron HARDY
- B24 - GRINDING POLISHING
Information Patent Application
POSITIONING DEVICE FOR APPLYING AN OBJECT TO A GRINDER AT PRE-DETER...
- Publication number 20200346316
- Publication date Nov 5, 2020
- Steven Duane Wortley
- B24 - GRINDING POLISHING
Information Patent Application
AN AUTOMATIC GEMSTONE POLISHING ROBOT
- Publication number 20200254584
- Publication date Aug 13, 2020
- FREEDOM AUTOMATION SOLUTIONS LLP
- Ivan Nikolayevich SYTENKO
- B24 - GRINDING POLISHING
Information Patent Application
APPLICATION OF A PROCESSING PIN TO A GEMSTONE WHICH IS TO BE CUT OR...
- Publication number 20110048626
- Publication date Mar 3, 2011
- Paul Wild OHG
- Markus Paul Wild
- B24 - GRINDING POLISHING
Information Patent Application
GEMSTONE POSITIONING FIXTURE
- Publication number 20100102039
- Publication date Apr 29, 2010
- Gemex Systems, Inc.
- Randall M. Wagner
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Application
Gemstone Polishing Device and Method of Polishing
- Publication number 20080113588
- Publication date May 15, 2008
- Moshe Kelman
- B24 - GRINDING POLISHING

Dops, dop holders

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Automatic gemstone polishing robot

Polishing apparatus for smoothing diamonds

Positioning device for applying an object to a grinder at pre-deter...

Gemstone positioning fixture

Application of a processing pin to a gemstone which is to be cut or...

Working a natural or synthetic hard stone such as a gemstone

Apparatus for holding gemstones to be polished

Gemstone holding apparatus

Centering apparatus for a gemstone

Dop for gemstone handling during manufacture

Work holding device in work grinding and polishing machine

Gem faceting machine

Dopstick transfer jig device and method for using same

Work holding device in work grinding and polishing machine

Stone-positioning apparatus and method

Work holder

Collet chuck aligning assembly for gem faceting machines

Bezel grinding attachment for a dop stick holder

Mounting assembly for gem blanks

Holding means for gem stones

Hand-held gem dop

Diamond faceting platform

3902285

3721465

3667634

3534510

3466812

3466813

3461622

3404491

Patents Applicationslast 30 patents

POLISHING APPARATUS FOR SMOOTHING DIAMONDS

POSITIONING DEVICE FOR APPLYING AN OBJECT TO A GRINDER AT PRE-DETER...

AN AUTOMATIC GEMSTONE POLISHING ROBOT

APPLICATION OF A PROCESSING PIN TO A GEMSTONE WHICH IS TO BE CUT OR...

GEMSTONE POSITIONING FIXTURE

Gemstone Polishing Device and Method of Polishing