Patents

All products, services, research, and technologies presented within the J.H. Fletcher & Co.™ Website are protected by all applicable United States and International patents and patents pending. For more information, please see our Privacy Policy and Legal Notices.


REF. NO. PRODUCT APPLICATION OR PATENT NO.
Coal Mining System US: 2,155,415
Mine Haulage Unit US: 2,166,135
Dumping Apparatus US: 2,384,904
Pneumatic Coal Cleaner US: 2,512,422
Material Classification and Means Canada: 482231
Trailer Steering Linkage US: 2,643,892
Detachable Self Locking Driving Device US: 2,805,073
Mobile Roof Drill (First Mobile Roof Drill) US: 2,811,335
Mobile Roof Drill (Wedge Mast Roof Drill) US: 2,832,567
Dust Collecting Drill Steel and Bit US: 3,032,129
Mining Apparatus (Automated Temporary Roof Support) US: 3,830,456
Drill Bit Centrifugal Vise (Drill Bit Holder) US: 3,975,029
Roof bolting method and related apparatus Australia: 728633
Roof Bolting Method and Related Apparatus US: 5,951,208
In-Situ Drilling System with Dust Collection and Overload Control Australia: 763808
In-Situ Drilling System with Dust Disposal and Overload Control South Africa: 99/6268
In-Situ Drilling System with Dust Collection and Overload Control US: 6,216,800
Enhanced Computer Control of In-Situ Drilling System US: 6,637,522
In-Situ Drilling System with Dust Collection and Overload Control South Africa: 99/6268
Enhanced Computed Control of In-Situ Drilling System Australia: 72179/01
Enhanced Computer Control of In-Situ Drilling System South Africa: 2001/7741
Drilling/Bolting Machine Having a Manual Operator Input Device with Enable Switch US Provisional Patent App. # 60/485,566
Drill Head with Internal Sensors US Provisional Patent App. # 60/485,566
Resin Inserter US Provisional Patent # 60/485/56
Combination Panline and Utility Drilling or Bolting Unit US Provisional Patent # 60/507,322
450-001 Roof Bolting Method & Related Apparatus App. #08/874,707 US Patent # 5,951,208
450-001 Australia Roof Bolting Method & Related Apparatus Australian App. # AU 199870082 B2 US Patent # 728633
450-002 In-Situ Drilling System With Dust Collection And Overload Control App. # 09/198,327 US Patent # 6,216,800
450-002 Australia In-Situ Drilling System With Dust Collection And Overload Control App. # 60620/99 Patent # 763,808
450-002 S. Africa In-Situ Drilling System With Dust Disposal and Overload Control Patent # 99/6268
450-003 Enhanced Computer Control of In-Situ Drilling System App. # 09/900,570 US Patent # 6,637,522
450-003 Australia Enhanced Computer Control of In-Situ Drilling System Australian Patent App. # 72179/01 Patent # 782390
450-003 S. Africa Enhanced Computer Control of In-Situ Drilling System Patent # 2001/7741
450-005 CRR Roof Bolter or a Roof Bolt Installation Apparatus - Cram Australia Pty. Ltd. V. J.H. Fletcher & Co. – Patent Infringement Complaint – U.S. Patent No. 6,105,684
450-006 CRR Automated Roof Bolt Handling System – Cram – Patent Infringement Claim Non-Infringement Opinion of Cram’s U.S. Patent No. 6,135,674
450-009 CRR Quarterly U.S. Patent Search
450-012 CRR Low Volume Air-water Drilling Systems and Methods Non-Infringement Opinion of Bill Brady’s Patent No. 5,875,858
450-023 Drilling/Bolting Machine Having a Manual Operator Input Device with Enable Switch and Related Methods App. # 10/887,245 Patent # US 7,721,816 B1
450-023 S. Africa Drilling/Bolting Machine Having a Manual Operator Input Device with Enable Switch and Related Methods Patent App. # 2006/06910
450-024 Instrumented Drill Head, Related Drilling/Bolting Machines, and Methods US Patent App. S/N 10/561,779 Patent # US 7,416,033 B2
450-024 Australia Instrumented Drill Head, Related Drilling/Bolting Machines, and Methods Patent App. # 2004/ 258133 Patent # 2004258133
450-024 CRR Drill Head w/Internal Sensors US Provisional Patent Application
450-024 PCT Instrumented Drill Head, Related Drilling/Bolting Machines, and Methods PCT Patent App. S/N US2004/021928
450-024 S. Africa Instrumented Drill Head, Related Drilling/Bolting Machines, and Methods Patent App. # 2006/00073; Patent # 2006/00073
450-027 Combination Panline & Utility Drilling or Bolting Unit App. S.N. 10/949,981 Patent # 7,350,876
450-027 Australia Combination Panline & Utility Drilling or Bolting Unit App. # 2004/216593 Patent # 2004216593
450-035 CRR Proposed Mast Designs for Roof Bolting Applications Roof Bolter or a Roof Bolt Installation Apparatus Bolting Rigs Non-Infringement Opinion of: Joy’s U.S. Patent No. 6,105,684 to Pointer et al.; and Cram’s U.S. Patent No. 6,814,155 B1 to Nielson
450-036 Split Gib Mounting Arrangement For Drilling Components App. S.N. 11/167,328 Patent # 7,371,009 B1
450-037 CRR Linear Roof Bolt Magazine U.S. Patentability Opinion
450-038A Automated, Low Profile Drilling/Bolting Module App. S.N. 11/505,545 US. Patent No. 7,428,936 B2
450-038B Automated, Low Profile Drilling-Manual Bolt Magazine App. 11,506,018 Patent # 7,428,935
450-038C Automated, Low Profile Drilling/Bolting Module With Roof Reference Guide App. S.N. 11/506,166 Patent # US 7,407,344 B2
450-038D Automated, Low Profile Drilling/Bolting Module With Carousel App. S.N. 11/505,955 Patent # 7,438,141
450-038E Automated, Low Profile Drilling-Auto StabJack App. S.N. 11/505,544 Patent # 7,704,018
450-038F Automated, Low Profile Drilling/Bolting Module With Gripper App. S.N. 11/505,584 Patent # 7,428,937
450-038G Automated, Low Profile Drilling/Bolting Module With Single Button Operation App. S.N. 11,773,633 11,505,646 US 7,819,609 B2
450-038H Automated, Low Profile Drilling/Module With Color-coded Display S.N. 11/505,678
450-038I Automated, Low Profile Drilling/Bolting Module With Collaring S.N. 11/505,585 Patent # US 7,381,012
450-038 Australia Automated, Low Profile Drilling/Bolting Module PCT/US2006/021918 Patent App. # 2006255040
450-038I CONT Automated, Low Profile Drilling/Bolting Module With Collaring Patent # 7,600,583
450-038 CRR Linear Roof Bolt Magazine U.S. Patentability Opinion
450-038 PCT Automated, Low Profile Drilling S.N. PCT/US2006/021918
450-038 Poland Automated, Low Profile Drilling/Bolting Module Polish Patent No. 210987 PCT/US2006/021918 Polish Patent App. No. P-384730
450-038 S. Africa Automated, Low Profile Drilling/Bolting Module PCT/US2006/021918 South Africa Patent No. 2008/00074
450-041 & 042 US Trademark/Service Mark App. 78/803,060 & 78/803,070
450-042 India Indian Trademark Registration App. # 1490307
450-042 Madrid Madrid Protocol Trademark Service Mark # 0893418
450-042 Mexico Mexican Trademark App. # 844,455
450-042 A, B, C - S. Africa South African Trademark/Service Mark App. # 2006/17188, 2006/17189, 2006/ 17190
450-044 Australia Remotely Controlled Mining Machines, Control Systems And Related Methods App. S.N. 2007/296057
450-044 [(P) or (PCT)] Remotely Controlled Mining Machines, Control Systems And Related Methods App. S.N. 60/844,892; PCT Patent App. S.N. PCT/US2007/78627
450-044 S. Africa Remotely Controlled Mining Machines, Control Systems And Related Methods App. S.N. 2009/01194
450-044 Poland Remotely Controlled Mining Machines, Control Systems And Related Methods App. S.N. P 388482
450-052 Fail-Resistant Hammer Assembly for a Valveless Percussive Drill App. S.N. 12/089,560
450-052 CRR Fail-Resistant Drill Piston and Bronze-lined Distributor for Valveless Percussive Drill US Patentability Opinion
450-052 P Fail-Resistant Hammer Assembly App. S.N. 60/887,742
450-052 PCT Fail-Resistant Hammer Assembly for a Valveless Percussive Drill App. S.N. PCT/US08/52600
450-052 Poland Fail-Resistant Hammer Assembly Polish App S.N. P 389466
450-053 CRR Dust Compactor for Rock Drilling US Patentability Opinion
450-054 CRR Miner with Remotely Controlled Bolter US Patentability Opinion
450-055 CRR Tri-Lobe Socket for Drillhead US Patentability Opinion
450-057 Agitator for a Drill and Related Methods App. S.N. 12/503,205 Patent App. Pub. No. US 2010/0139986 A1
450-057 CONT Agitator for a Drill and Related Methods App. S.N. 12/503,205 Based on PCT Patent App. S.N. PCT/US09/50521 (see below) Patent No.: US 8,025,111 B2
450-057 PCT Agitator for a Drill and Related Methods App. S.N. US2009/050521
450-057 Poland Agitator for a Drill and Related Methods Patent App. S.N. P395373 Based on PCT Patent App. S.N. PCT/US2009/050521
450-057 S. Africa Agitator for a Drill and Related Methods App. S.N. 2011/04173 Based on PCT Patent App. S.N. PCT/US2009/050521
450-058 Mining Machine with Improved Rib Reach Capability App. S.N. 12/559,933 Patent No.: US 8,342,267 B1
450-058 P Mining Machine with Improved Rib Reach Capability App. S.N. 61/097,096
450-061 Device for Reducing Drilling Noise and Related Methods App. S.N. 12/719,304 Patent No.: US 8,342,264 B1
450-061 P Device for Reducing Drilling Noise and Related Methods App. S.N. 61/158,501
450-062 Mesh Handling System for an Underground Mining Machine App. S.N. 12/534,426, Patent No. 8137033
450-062 Australia Mesh Handling System for an Underground Mining Machine App. S.N. 2010203314 U.S. S.N. 12/534,426
450-062 South Africa Mesh Handling System for an Underground Mining Machine App. S.N. 2010/05459 U.S. S.N. 12/534,426
450-063 P Mining Machine with Booms Providing Enhanced Rib Access App. S.N. 61/286,587
450-063 PCT Mining Machine with Booms Providing Enhanced Rib Access App. S.N. PCT/US10/60375 Continuation of PCT Patent Application S.N. PCT/US2010/060375
450-063 Poland Mining Machine with Booms Providing Enhanced Rib Access App. S.N. P400392
450-063 S. Africa Mining Machine with Booms Providing Enhanced Rib Access App. S.N. 2012/04331
450-067 CRR Fletcher Trademark Reg. No. 3,232,803
450-068 P Drilling Apparatus with Drill Guide U.S. Provisional Patent Application Ser. No. 61/524,516
450-068 PCT Drilling Apparatus with Drill Guide PCT Patent Application Serial No. PCT/US12/51305
450-069 P Expandable Bolter and Related Methods U.S. Provisional Patent Application Ser. No. 61/593,250
450-073 Pump for use with Mine Drill and Related Methods U.S. Utility Patent App. S.N. 13/722,011
450-073 CRR Drill Head with Centrifugal Pump
450-075 P Mesh Handling Apparatus and Related Methods U.S. Provisional Patent Application Ser. No. 61/684,423