J.H. Fletcher & Co.

Patent Owner

Watch Compare Add to Portfolio

Stats

Details

Patent Activity in the Last 10 Years

Technologies

Intl Class Technology Matters Rank in Class
 
  
 
E21B EARTH OR ROCK DRILLING 1482
 
  
 
E21D SHAFTS; TUNNELS; GALLERIES; LARGE UNDERGROUND CHAMBERS 98
 
  
 
B25D PERCUSSIVE TOOLS 218
 
  
 
B23Q DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING 139
 
  
 
B60D VEHICLE CONNECTIONS 120
 
  
 
B65D CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES 197
 
  
 
C09K MATERIALS FOR APPLICATIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR194
 
  
 
C21D MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING, OR OTHER TREATMENTS 144
 
  
 
E21C MINING OR QUARRYING121
 
  
 
E21F SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, OR DRAINAGE IN OR OF MINES OR TUNNELS 112

Top Patents (by citation)

Upgrade to the Professional Level to View Top Patents for this Owner. Learn More

Recent Publications

Publication # Title Filing Date Pub Date Intl Class
2017/0247,181 MATERIALS POD FOR MINING MACHINE AND RELATED METHODSMay 12, 16Aug 31, 17[E21F, B65D]

Recent Patents

Patent # Title Filing Date Issue Date Intl Class
9597935 Towing implement for vehicle with a passage and related methodAug 01, 14Mar 21, 17[E21D, B60D]
9534457 Drilling apparatus with drill guideFeb 18, 14Jan 03, 17[E21B]
9316070 Pump for use with mine drill and related methodsDec 20, 12Apr 19, 16[E21B]
9194231 Mesh handling apparatus and related methodsAug 19, 13Nov 24, 15[E21D]
8991515 Fail-resistant hammer assembly for a valveless percussive drillJan 31, 08Mar 31, 15[B25D, C21D, E21B]
8342267 Mining machine with improved rib reach capability and method of use thereofSep 15, 09Jan 01, 13[E21B, E21C]
8137033 Mesh handling system for an underground mining machine and related methodsAug 03, 09Mar 20, 12[E21D]
8025111 Agitator for a drill and related methodsJul 15, 09Sep 27, 11[E21B]
7819609 Automated, low profile drilling/bolting module with single button operationJul 05, 07Oct 26, 10[E21D, E21B]
7721816 Drilling/bolting machine having a manual operator input device with enable switch and related methodsJul 08, 04May 25, 10[E21B]

View all patents..

Expired/Abandoned/Withdrawn Patents

Patent # Title Status Filing Date Issue/Pub Date Intl Class
8342264 Device for reducing drilling noise and related methodsExpiredMar 08, 10Jan 01, 13[E21B]
2010/0221,071 REMOTELY CONTROLLED MINING MACHINES, CONTROL SYSTEMS, AND RELATED METHODSAbandonedSep 17, 07Sep 02, 10[E21D, G08B, G05B]
2007/0009,332 Automated, low profile drilling/bolting module with single button operationAbandonedAug 17, 06Jan 11, 07[E21D]
2006/0283,614 Automated, low profile drilling/bolting module with color-coded displayAbandonedAug 17, 06Dec 21, 06[E21B]
5951208 Roof bolting method and related apparatusExpiredJun 13, 97Sep 14, 99[E21D]

Top Inventors for This Owner

Upgrade to the Professional Level to View Top Inventors for this Owner. Learn More

We are sorry but your current selection exceeds the maximum number of comparisons () for this membership level. Upgrade to our Level for up to -1 comparisons!

We are sorry but your current selection exceeds the maximum number of portfolios (0) for this membership level. Upgrade to our Level for up to -1 portfolios!.