Class E21C : MINING OR QUARRYING
Subclass 25/08: 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 cutting rods or cutting drums which rotate, move through the seam, and may or may not reciprocate Mountings for the rods or drums
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 10844558 | Methods and systems for operating a milling machine | Mar 06, 19 | Nov 24, 20 | Caterpillar Paving Products Inc. |
| 10533705 | Method for cooling and/or heating lubricant in an exchangeable milling drum box of a ground milling machine, exchangeable milling drum box, and ground milling machine | Apr 10, 17 | Jan 14, 20 | BOMAG GmbH |
| 10266996 | Methods and systems for operating a milling machine | Aug 30, 17 | Apr 23, 19 | Caterpillar Paving Products Inc. |
| 10053982 | Milling device | May 09, 14 | Aug 21, 18 | CATERPILLAR GLOBAL MINING EUROPE GMBH |
| 9938827 | End plate interlock for housing of a ground breaking machine and method of mounting a cutter drum in the housing | Apr 28, 16 | Apr 10, 18 | Not available |
| 9932826 | Mobile mining | Aug 13, 13 | Apr 03, 18 | Caterpillar Global Mining Europe GmbH |
| 7503629 | Pick locking device including a clamp element and a retaining pin | Dec 28, 04 | Mar 17, 09 | CATERPILLAR GLOBAL MINING EUROPE GMBH |
| 7475947 | Extendable cutter drum for a boring machine | Apr 27, 07 | Jan 13, 09 | SANDVIK INTELLECTUAL PROPERTY AB |
| 6431654 | Mining machine having an extendable and retractable rotor arm and method of repairing an extendable and retractable rotor arm assembly | Jul 10, 00 | Aug 13, 02 | SANDVIK INTELLECTUAL PROPERTY AB |
| 5964507 | Transmission gearcase for multiple cutting heads | Oct 20, 97 | Oct 12, 99 | PNC BANK, NATIONAL ASSOCIATION, UGM ADDCAR SYSTEMS, LLC, |
| Upgrade to the Professional Level to view Top Owners for this Subclass.Learn More |
|---|
