Description
Class E21C : MINING OR QUARRYING
Subclass 25/00: 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)
E21C 25/00
Sub-Class
Stats
- 42 US PATENTS IN FORCE
- 0 US APPLICATIONS PENDING
- 31 Total Patent Owners
- 268 TOTAL INVENTORS
Recent Patents
| Patent # | Title | Filing Date | Issue Date | Patent Owner |
|---|---|---|---|---|
| 10808531 | Cutting device with tapered cutting element | May 26, 17 | Oct 20, 20 | Joy Global Underground Mining LLC |
| 10626723 | Cutting head having segmented cutting disc | May 26, 17 | Apr 21, 20 | Joy Global Underground Mining LLC |
| 10590766 | Cutting head having segmented cutting disc | May 26, 17 | Mar 17, 20 | Joy Global Underground Mining LLC |
| 10366177 | Cutting drum and method of designing a cutting drum | Sep 26, 12 | Jul 30, 19 | Commonwealth Scientific and Industrial Research Organisation |
| 10352163 | Cutter assembly with freewheeling cutting elements | Sep 28, 16 | Jul 16, 19 | Not available |
| 9828742 | Cutter assembly with freewheeling cutting elements | Jan 30, 15 | Nov 28, 17 | Not available |
| 9803477 | Fiber optic shape sensing adapted to cutter module of highwall miner | Oct 06, 14 | Oct 31, 17 | CATERPILLAR INC. |
| 9359895 | Cutting bit retaining assembly | Sep 04, 14 | Jun 07, 16 | SANDVIK INTELLECTUAL PROPERTY AB |
| 9260964 | Method and apparatus for auxilary seafloor mining | Jun 17, 11 | Feb 16, 16 | EDA KOPA (SOLWARA) LIMITED |
| 9057161 | Road construction machine, as well as method for controlling the distance of a road construction machine moved on a ground surface | Feb 19, 14 | Jun 16, 15 | WIRTGEN GMBH |
| 9039320 | Method of milling asphalt | Dec 29, 14 | May 26, 15 | TRIMBLE NAVIGATION LIMITED |
| 8967730 | Wethead seal design for continuous mining machine | Jul 01, 13 | Mar 03, 15 | CATERPILLAR GLOBAL MINING AMERICA LLC |
| 8961065 | Method of milling asphalt | Jun 30, 14 | Feb 24, 15 | TRIMBLE NAVIGATION LIMITED |
| 8920074 | Underground mining apparatus | Aug 14, 07 | Dec 30, 14 | Z-FILTER PTY LTD, GLADIUS MINING PTY LTD, NEIL DERYCK BRAY GRAHAM, SORD RESOURCES LIMITED, |
| 8794867 | Asphalt milling machine control and method | May 26, 11 | Aug 05, 14 | TRIMBLE NAVIGATION LIMITED |
| 8764893 | Dust scrubber | Sep 12, 13 | Jul 01, 14 | Montall Holdings Pty Ltd |
| 8672581 | Road construction machine, as well as method for controlling the distance of a road construction machine moved on a ground surface | May 17, 11 | Mar 18, 14 | WIRTGEN GMBH |
| 8657384 | Track scraper | Jul 28, 11 | Feb 25, 14 | KING KUTTER, INC. |
| 8646847 | Manhole remover | Oct 13, 10 | Feb 11, 14 | Coneqtec Corp. |
| 8573885 | Road surface planar | Nov 12, 10 | Nov 05, 13 | LATHAM, WINCHESTER E. |
Recent Publications
Not Available
Top Owners in This Subclass
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Patents Issued To Date - By Filing Year
Average Time to Issuance
- 31 Months (last 2 years Issuances)
- 31 Months (last 5 years Issuances)