Class E21C : MINING OR QUARRYING
Subclass 25/18: Cutting machines, i.e. for making slits approximately parallel or perpendicular to the seam (dislodging machines with slitting means E21C 27/02, E21C 27/1, E21C 27/18) Machines slitting solely by one or more rotating saws, cutting discs, or wheels Saws; Discs; Wheels
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 11939868 | Cutting device and support for same | Mar 24, 23 | Mar 26, 24 | Joy Global Underground Mining LLC |
| 11846190 | Rock cutting device | Oct 29, 19 | Dec 19, 23 | Joy Global Underground Mining LLC |
| 11802481 | Disk cutter | Nov 25, 20 | Oct 31, 23 | ELEMENT SIX (UK) LIMITED |
| 11598208 | Machine supporting rock cutting device | Nov 01, 21 | Mar 07, 23 | Joy Global Underground Mining LLC |
| 11499426 | Cutting device with tapered cutting element | Oct 16, 20 | Nov 15, 22 | Joy Global Underground Mining LLC |
| 11391148 | Cutting assembly | Mar 21, 19 | Jul 19, 22 | ELEMENT SIX (UK) LIMITED |
| 11391149 | Mining machine with articulating boom and independent material handling system | Dec 18, 20 | Jul 19, 22 | Joy Global Underground Mining LLC |
| 11365628 | Material-removal systems, cutting tools therefor, and related methods | Sep 28, 20 | Jun 21, 22 | US Synthetic Corporation |
| 11203931 | Cutting apparatus | Mar 30, 18 | Dec 21, 21 | Sandvik Intellectual Property AB |
| 11203930 | Machine supporting rock cutting device | Feb 03, 20 | Dec 21, 21 | Joy Global Underground Mining LLC |
| 11092009 | Cutting apparatus | Mar 30, 18 | Aug 17, 21 | Sandvik Intellectual Property AB |
| 10989050 | Cutting head having segmented cutting disc | Mar 16, 20 | Apr 27, 21 | Joy Global Underground Mining LLC |
| 10876400 | Mining machine with articulating boom and independent material handling system | Aug 18, 17 | Dec 29, 20 | Joy Global Underground Mining LLC |
| 10876399 | Mining machine with multiple cutter heads | Sep 16, 19 | Dec 29, 20 | Joy Global Underground Mining LLC |
| 10822947 | Material-removal systems, cutting tools therefor, and related methods | Aug 27, 19 | Nov 03, 20 | US Synthetic Corporation |
| 10808531 | Cutting device with tapered cutting element | May 26, 17 | Oct 20, 20 | Joy Global Underground Mining LLC |
| 10738608 | Cutting device and support for same | Aug 18, 17 | Aug 11, 20 | Joy Global Underground Mining LLC |
| 10683751 | Cutting apparatus | Oct 02, 15 | Jun 16, 20 | Sandvik Intellectual Property AB |
| 10626723 | Cutting head having segmented cutting disc | May 26, 17 | Apr 21, 20 | Joy Global Underground Mining LLC |
| 10589278 | Wear cap for an earth working roll | Mar 18, 14 | Mar 17, 20 | ESCO Group LLC |
| Publication # | Title | Filing Date | Pub Date | Patent Owner |
|---|---|---|---|---|
| 2024/0247,587 | CUTTING DEVICE AND SUPPORT FOR SAME | Jan 19, 24 | Jul 25, 24 | Not available |
| 2023/0366,314 | DISK CUTTER | Jul 07, 23 | Nov 16, 23 | ELEMENT SIX (UK) LIMITED |
| 2021/0032,988 | CUTTING ASSEMBLY | Mar 21, 19 | Feb 04, 21 | Not available |
| 2021/0003,006 | CUTTING ASSEMBLY | Mar 21, 19 | Jan 07, 21 | GLOBAL INNOVATION CENTRE |
| 2020/0378,253 | ROTARY CUTTING HEAD WITH FLUID SUPPLY DUCTING | Apr 20, 17 | Dec 03, 20 | Not available |
| 2020/0347,723 | CUTTING DEVICE AND SUPPORT FOR SAME | Jul 17, 20 | Nov 05, 20 | Not available |
| 2020/0011,173 | MINING MACHINE WITH MULTIPLE CUTTER HEADS | Sep 16, 19 | Jan 09, 20 | Not available |
| 2016/0298,451 | ANNULAR TOOL | Apr 09, 14 | Oct 13, 16 | Not available |
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
