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PATENTS

Throughout the years, Fletcher has introduced new technology that has brought new standards for safety in the mining industry.

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Take a look below to see a chronological list of Fletcher's innovations throughout the years.

REF NO.
PRODUCT
APPLICATION OR PATENT NO.
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Advertising Stand
Adjustable Front Rifle-Sight
Method and Apparatus for Separating Refuse from Coal
Coal Mining System
Mine Haulage Unit
Driving Wheel
Dumping Apparatus 
Material Classification and Means
Trailer Steering Linkage
Detachable Self Locking Driving Device
(First) Mobile Roof Drill
Mobile Roof Drill (Wedge Mast Roof Drill)
U.S: 852,710
U.S: 1,365,236
U.S: 2,014,249
U.S: 2,155,415
U.S: 2,166,135
U.S: 2,258,328
U.S: 2,384,904
Canada: 482,231
U.S: 2,643,892
U.S: 2,895,073
U.S: 2,811,335
U.S: 2,832,567
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
Dust Collecting Drill Steel and Bit
Mining Apparatus (Automated Temporary Roof Support)
Method for Recording and Reproducing Video Information Signals
Drill Bit Centrifugal Device (Drill Bit Holder)
Roof Bolting Method and Related Apparatus
Low Volume Air-Water Drilling Systems and Methods
Roof Bolting Method and Related Apparatus
In-Situ with Dust Collection and Overload Control
In-Situ with Dust Collection and Overload Control
Combination Panline and Utility Drilling or Bolting Unit
Split Gib Mounting Arrangement for Drilling Components
Automated Low Profile Drilling/Bolting Machine
U.S: 3,032,129
U.S: 3,380,456
Germany: 2,207,071
U.S: 3,975,029
Australia: 728633
U.S: 3,032,129
Australia: 728,633
US: 6,216,800
Australia: 763,808
US: 7,350,876
US: 7,371,009
Australia: 200625
Automated Low Profile Drilling/Bolting Machine with Stab Jack
US: 7,704,018
Remotely Controlled Mining Machines, Control Systems
and Related Methods
Australia: 200729
Agitator for a Drill and Related Methods
US: 8,025,111
Mesh Handling System for an Underground Mining Machine and Related Method
US: 8,137,033
Mining Machine with Improved Rib Reach Capacity and Method of Use Thereof
US: 8,342,267
Device for Reducing Drilling Noise and Related Methods
US: 8,342,264
Mining Machine with Booms Providing Enhanced Rib Access
Australia: 201033
Mesh Handling Apparatus and Related Methods
US: 2,014,005
Drilling Apparatus with Drill Guide
US: 2,014,023
Towing Implement for Vehicle with a Passage and Other Methods
US: 2,015,003
Drilling Apparatus with Drill Guide
US: 2,017,018
Material Pod for Mining Machine and Related Methods
US: 2,020,008
Mine Drill System with Adapter
US: 2,018,016
Combined Function Joystick for Drilling Machine
and Related Methods
US: 2,015,003
Autonomous Roof Bolter and Related Methods 
US: 1,139,115
Multipurpose Machine for Surface Treatment and Related Methods
US: 2,018,016
N/A
Quick Release Coupling for Drilling and Related Methods
Europe: 374662
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CANNON MINING EQUIPMENT, LLC PATENTS
REF NO.
PRODUCT
APPLICATION OR PATENT NO.
N/A
Feed Shell Lubrication Manifold
US: 5,330,012
N/A
Resin Injector System
US: 5,494,380
N/A
Rock Bolter
US: 5,556,235
N/A
Tool Base Securing System
US: 5,690,449
N/A
Bolt Delivery System with Linear Bolt Magazine
US: 5,720,582
N/A
Feed Shell Pisoning Mechanism
US: 5,937,952
N/A
Turret Rock Bolter with Stinger/Centralizer
US: 6,413,019
N/A
Resin Nozzle Positioner
US: 6,477,210
N/A
Translating Turret Rock Bolter
US: 6,698,529
N/A
Bolt Centralizer
US: 6,598,309
N/A
Mine Scaling Vehicle
US: 7,303,238
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