Machines slitting solely by one or more cutter chains moving unidirectionally along jibs

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Patents Grantslast 30 patents

Information Patent Grant
Machine for simultaneous cutting of a plurality of slabs from a blo...
- Patent number 11,498,137
- Issue date Nov 15, 2022
- Sfera S.R.L.
- Stefano Tongiani
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Device and method for cutting quarry stone
- Patent number 10,526,891
- Issue date Jan 7, 2020
- DIAMOND STONE TECHNOLOGIES INC.
- Bryce Bennett
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for creating a planar cavern
- Patent number 8,789,891
- Issue date Jul 29, 2014
- Steven W. Wentworth
- E21 - EARTH DRILLING MINING
Information Patent Grant
Method and apparatus for tunnelling
- Patent number 5,104,260
- Issue date Apr 14, 1992
- Trevi S.P.A.
- Davide Trevisani
- E21 - EARTH DRILLING MINING
Information Patent Grant
Continuous mining machine with a chain drive for the cutting head
- Patent number 3,968,995
- Issue date Jul 13, 1976
- Dresser Industries, Inc.
- Einar M. Arentzen
- E21 - EARTH DRILLING MINING
Information Patent Grant
2344065
- Patent number 2,344,065
- Issue date Mar 14, 1944
- E21 - EARTH DRILLING MINING
Information Patent Grant
1978366
- Patent number 1,978,366
- Issue date Oct 23, 1934
- E21 - EARTH DRILLING MINING