Class B28D : WORKING STONE OR STONE-LIKE MATERIALS
Subclass 1/32: Working stone or stone-like materials, e.g. brick, concrete, not provided for elsewhere; Machines, devices, tools therefor (fine working of gems, jewels, crystals B28D 5/00; working by grinding or polishing B24; devices or means for dressing or conditioning abrasive surfaces B24B 53/00) Methods or apparatus specially adapted for working materials which can easily be split, e.g. mica, slate, schist
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11072042 | Wafer and wafer producing method | Jan 10, 20 | Jul 27, 21 | Disco Corporation |
| 10792767 | Laser preheating control method and device | Dec 26, 17 | Oct 06, 20 | METAL INDUSTRIES RESEARCH & DEVELOPMENT CENTRE; Parfaite Tool Co., Ltd.; |
| 10675781 | Shape memory alloy rock splitters (SMARS) | Apr 04, 17 | Jun 09, 20 | The United States of America as represented by the Administrator of National Aeronautics and Space Administration |
| 10046480 | Rock face splitting apparatus and method | Nov 18, 14 | Aug 14, 18 | Pavestone, LLC |
| 9925692 | Block splitter assembly and method of producing wall blocks | Apr 20, 16 | Mar 27, 18 | KEYSTONE RETAINING WALL SYSTEMS LLC |
| 9649780 | Shape memory alloy rock splitters (SMARS) | May 12, 15 | May 16, 17 | US GOVT ADMINISTRATOR OF NASA, UNITED STATES OF AMERICA AS REPRESENTED BY THE ADMINISTRATOR OF THE NATIONAL AERONAUTICS AND SPACE ADMINISTRATION, |
| 8757135 | Splitting wedge | Nov 19, 09 | Jun 24, 14 | Kirnuvuori Oy |
| 8689778 | Masonry cutting device | Apr 13, 11 | Apr 08, 14 | Kolmar Investments, LLC. |
| 8251053 | Block splitting assembly and method | Dec 14, 10 | Aug 28, 12 | Anchor Wall Systems, Inc. |
| 8127756 | Method of grinding concrete block and apparatus for grinding concrete block | Mar 18, 08 | Mar 06, 12 | Tiger Machine Co., Ltd. |
| 8020545 | Method and apparatus for scribing tile | Apr 12, 10 | Sep 20, 11 | Not available |
| 7980240 | Breaking machine | May 16, 06 | Jul 19, 11 | TERMINATOR IP LIMITED |
| 7954484 | Splitting devices | Aug 14, 06 | Jun 07, 11 | Not available |
| 7878186 | Outdoor cooker and method of use | Sep 13, 07 | Feb 01, 11 | Not available |
| 7870853 | Block splitting assembly and method | Feb 13, 08 | Jan 18, 11 | Anchor Wall Systems, Inc. |
| 7823575 | Tile saw | Apr 24, 08 | Nov 02, 10 | BLACK & DECKER INC. |
| 7694670 | Method and apparatus for scribing tile | Jun 08, 05 | Apr 13, 10 | Not available |
| 7497213 | Wafer dividing apparatus | Oct 14, 05 | Mar 03, 09 | DISCO CORPORATION |
| 7387120 | Tile saw | Dec 21, 04 | Jun 17, 08 | BLACK & DECKER INC. |
| 7377275 | Imitation stone cutter | Jul 06, 06 | May 27, 08 | Not available |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2025/0042,058 | METHOD OF MAKING MICA ROCK PAPER OR DECORATIVE MICA ROCK PAPER | Aug 04, 23 | Feb 06, 25 | Not available |
| 2018/0222,086 | ROCK FACE SPLITTING APPARATUS AND METHOD | Apr 05, 18 | Aug 09, 18 | Pavestone, LLC |
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