US Patent # 4,664,449. Drift advancing or mining machine ...
A drift advancing or a partial-cut mining machine (1) comprises a cutting arm (11) being swivellable in a height direction around an axis (10). The front end of the cutting arm (11) is equipped with g
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MINING MACHINE COOLING SYSTEM by Dosco …
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China Alluvial Gold Mining Machine with Patent, Find details about China Mining Machine, Gold Trommel from Alluvial Gold Mining Machine with Patent ...
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By replacing the labor-intensive job of hand-loading coal, the Joy loading machine helped revolutionize mining in the 20th century. When it was introduced in the 1920s, the Joy loader was one of several coal-loading machines on the market.
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Gold Mining Properties and Patented Claims are For Sale at Governor Gold Mine. The gold production was about 70% of the recorded …
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The Gold Machine
Ray Brosseuk began designing The Gold Machine in 1986 while mining in south-central British Columbia. As every miner knows, the biggest frustration encountered when Gold Mining is the loss of fine gold, but the Gold Machine drastically reduces those losses.
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pictures of a markwilcox mining machine, Patent USMethod of advancing a continuous, Images(6) Patent Drawing Previous page Next page Claims ... pictures of a mark 20 wilcox mining machine Thedeadliest jobs in America, ranked./. ... exposure to pathogens and fatal injury from machines or ... occupational fatalities in the mining industry occur ...
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Search for patents | USPTO
Find existing patents, published patent applications and other published patent documentation
Material handling system for mining machine by Joy …
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Mining machine with externally mounted drive means ...
Aug 02, 1983· A mining machine 1 of the shearer type comprises an elongate machine body 2 housing inter alia a power unit 11 for powering at least ... View Patent Images:
US Patent # 4,196,934. Shortwall mining machine - Patents…
The invention provides a shortwall mining machine comprising an assembly, which preferably is articulated and has a protective canopy. The assembly is arranged parallel to a shortwall mineral face, an
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Patent US5330257 - Auger mining machine . An auger mining apparatus includes a support frame holding a tilt platform. A tilt mechanism displaces the tilt platform at a pitch between 0°-45° relative to the
Rock Crusher History - Mineral Processing & Metallurgy
History tells us, it was in 1830, the first US patent was issued on a rock crushing machine. It covered a device which, in a crude way, incorporated the drop hammer principle later used in the famous stamp mill, whose history is so intimately linked with that of the golden age of mining.
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Concrete Crusher Machine, Coal Mining Machine patents, but also invested RMB 1.57 billion in . Used Portable Gravel Crusher coal crusher mill . More;
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Getting a patent is just the beginning - not the end goal. However, patent attorneys propagate many myths, especially about provisional patents.
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Tilting To The Mining Machine - carteaverde.eu
Tilting To The Mining Machine. US Patent # 4,643,482. Steering of mining machines . Steering of mining machines . said further sensors comprises a tilt transducer for sensing the tilt of the mining machine in the direction of machine traverse .
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Who Invented the Steam Engine? - Live Science
Who Invented the Steam Engine? ... the first patent for a machine that used steam power to ... patented a steam-operated machine for use in mining, ...
Patent Marketplace: Technology Patents for Sale or …
Patent Marketplace Technologies and Patents for Sale or License. ... Machine and or a process that will provide self cleaning advanced hot tubs, ... Mining Patents (5)
US2425108A - Mining machine - Google Patents
Prior art keywords coal machine face wedge front Prior art date 1943-07-29 Legal status (The legal status is an assumption and is not a legal conclusion.
Mining machine (Patent) | OSTI.GOV
Abstract. A mining machine is disclosed comprising a mobile base and a cutting head assembly at a forward end of the mobile base having a cutter drum rotatable about an output shaft disposed along the longitudinal axis of the cutter drum.
DE2320143A1 - mining machine - Google Patents
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to …
Patent US748530 - Coal-mining machine. - Google Patents
` l PATENTED DEGQZQ. 1903. f R. RoBINsoNrsL J. H. BALL. "GOAL-MINING MACHINE. APPLIOATONJILD NOV. 21, 1902. . sums-SHEET 1.. . …
Patent US1693343 - Mining and loading machine and …
Citing Patent Filing date Publication date Applicant Title; US2695774 *: Oct 18, 1950: Nov 30, 1954: Mavor & Coulson Ltd: Wedge-type mining machine with steering means
Hendrie & Bolthoff Manufacturing & Supply Co. - …
A "stamp-mill" is a machine used to crush ore in mining. This patent is of interest because the assignees' company, ... An example of this machine was seen, labeled, ...
MINING MACHINE - ANDERSON R,US - …
Nov 20, 1973· A mining machine and more particularly a mining machine having a rotary drum type cutting head which cuts clearance for the supporting structure thereof.
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Mining USPTO full text patent data - Analysis of machine ...
Mining USPTO full text patent data - Analysis of machine learning and AI related patents granted in 2017 so far - Part 1