Coal Industry (Patents) Limited
Patent Applications and Registrations
Patent applications and USPTO patent grants for Coal Industry (Patents) Limited.The latest application filed is for "protective helmets".
Company Profile
0.121.0
- Coal Industry (Patents) Limited - Patents
- Coal Industry (Patents) Ltd. - Patents
Patent Activity
| Patent | Date |
|---|---|
| Protective helmets Grant 5,283,914 - James February 8, 1 | 1994-02-08 |
| Coal extraction process Grant 5,110,451 - Jones May 5, 1 | 1992-05-05 |
| Method of steering a mining machine Grant 5,106,162 - Lewins , et al. April 21, 1 | 1992-04-21 |
| Apparatus for producing aerated cementitious compositions Grant 5,013,157 - Mills , et al. May 7, 1 | 1991-05-07 |
| Equipment and method for measuring convergence Grant 4,913,499 - Smart April 3, 1 | 1990-04-03 |
| Method of locating a member in a borehole Grant 4,879,695 - Meadows November 7, 1 | 1989-11-07 |
| Environmental protective garment Grant 4,876,746 - Howie October 31, 1 | 1989-10-31 |
| Briquette treatment process Grant 4,877,418 - Goleczka , et al. October 31, 1 | 1989-10-31 |
| Helmet Grant 4,852,562 - Howie August 1, 1 | 1989-08-01 |
| Moisture meter Grant 4,788,853 - Bell December 6, 1 | 1988-12-06 |
| Method of disposing of mining tailings Grant 4,770,708 - Atkins , et al. September 13, 1 | 1988-09-13 |
| Resultant velocity control for members capable of being driven in two component directions simultaneously Grant 4,760,513 - Edwards July 26, 1 | 1988-07-26 |
| Dust detection Grant 4,740,220 - Mark , et al. April 26, 1 | 1988-04-26 |
| Coal briquetting process Grant 4,738,685 - Goleczka , et al. April 19, 1 | 1988-04-19 |
| Personnel detection and protection systems for use in underground mines Grant 4,722,574 - Barham , et al. February 2, 1 | 1988-02-02 |
| Borehole located directional antennae means for electromagnetic sensing systems Grant 4,697,190 - Oswald September 29, 1 | 1987-09-29 |
| Method of forming a waterproof roof Grant 4,670,071 - Cooper , et al. June 2, 1 | 1987-06-02 |
| Fluid supply system to rotary cutter heads on mining machines Grant 4,643,483 - Brooks , et al. February 17, 1 | 1987-02-17 |
| Breathing apparatus Grant 4,635,629 - Thorp , et al. January 13, 1 | 1987-01-13 |
| Vehicle location system Grant 4,630,057 - Martin December 16, 1 | 1986-12-16 |
| Apparatus for producing aerated cementitious compounds Grant 4,624,574 - Mills , et al. November 25, 1 | 1986-11-25 |
| Combustors Grant 4,584,948 - Syred , et al. April 29, 1 | 1986-04-29 |
| Cyclone separators Grant 4,585,466 - Syred , et al. April 29, 1 | 1986-04-29 |
| Polyimide product from phenanthrene Grant 4,577,009 - Robinson , et al. March 18, 1 | 1986-03-18 |
| Dust assessment apparatus and method Grant 4,555,933 - Johnston December 3, 1 | 1985-12-03 |
| Process for hydrocracking supercritical gas extracts of carbonaceous material Grant 4,541,913 - Urquhart , et al. September 17, 1 | 1985-09-17 |
| Mining equipment Grant 4,531,782 - Ford , et al. July 30, 1 | 1985-07-30 |
| Froth flotation Grant 4,528,107 - McCaffrey , et al. July 9, 1 | 1985-07-09 |
| Combustion and heating equipment Grant 4,520,740 - Carpenter June 4, 1 | 1985-06-04 |
| Fluid supply systems for rotary cutter heads for mining machines and rotary cutter heads comprising fluid supply systems Grant 4,516,807 - Eagles May 14, 1 | 1985-05-14 |
| Drill pipe sections Grant 4,496,203 - Meadows January 29, 1 | 1985-01-29 |
| Gas analyzer Grant 4,485,666 - Higgins , et al. December 4, 1 | 1984-12-04 |
| Method of and apparatus for sensing the ash content of coal Grant 4,486,894 - Page , et al. December 4, 1 | 1984-12-04 |
| Dust filter apparatus Grant 4,484,937 - James , et al. November 27, 1 | 1984-11-27 |
| Froth flotation Grant 4,476,013 - McCaffrey October 9, 1 | 1984-10-09 |
| Rotary cutting head for mining machines with means for inducing airflow and sensing thereof Grant 4,465,318 - Lewis , et al. August 14, 1 | 1984-08-14 |
| Waterproof sheeting Grant 4,458,043 - Evans , et al. July 3, 1 | 1984-07-03 |
| Mine equipment Grant 4,453,846 - Mullins , et al. June 12, 1 | 1984-06-12 |
| Electromagnetic position detector employing fast fourier transform analysis Grant 4,443,792 - Pidgeon , et al. April 17, 1 | 1984-04-17 |
| Amorphous silica-based catalyst and process for its production Grant 4,427,578 - Robinson , et al. January 24, 1 | 1984-01-24 |
| Froth flotation Grant 4,416,769 - McCaffrey , et al. November 22, 1 | 1983-11-22 |
| Control systems for material treatment plant Grant 4,409,096 - O'Brian October 11, 1 | 1983-10-11 |
| Mixing equipment Grant 4,408,886 - Sampson , et al. October 11, 1 | 1983-10-11 |
| Varnishes for glasscloth laminates, methods of their production and laminates made therefrom Grant 4,408,003 - Robinson , et al. October 4, 1 | 1983-10-04 |
| Gas sensor Grant 4,406,770 - Chan , et al. September 27, 1 | 1983-09-27 |
| Keto/polycarboxy containing resin Grant 4,379,896 - Robinson , et al. April 12, 1 | 1983-04-12 |
| Fuel oils from coal Grant 4,371,727 - Gavin February 1, 1 | 1983-02-01 |
| Mining machine steering equipment Grant 4,371,209 - Alford , et al. February 1, 1 | 1983-02-01 |
| Holder assemblies for sensitized cutter tools on mining machines Grant 4,368,919 - Whittaker , et al. January 18, 1 | 1983-01-18 |
| Holder assemblies for sensitized cutter tools on mining machines Grant 4,367,899 - Whittaker , et al. January 11, 1 | 1983-01-11 |
| Breathing apparatus Grant 4,362,153 - Wilson , et al. December 7, 1 | 1982-12-07 |
| Methods of stowing cavities with flowable materials Grant 4,357,167 - Kellet , et al. November 2, 1 | 1982-11-02 |
| Survey systems Grant 4,355,895 - Cairns , et al. October 26, 1 | 1982-10-26 |
| Phenolated naphthalene formaldehyde resin varnish Grant 4,350,623 - Robinson , et al. September 21, 1 | 1982-09-21 |
| Acoustic liner for attenuating noise Grant 4,327,816 - Bennett May 4, 1 | 1982-05-04 |
| Radiation detectors supported by resilient optical coupler Grant 4,323,778 - Wykes , et al. April 6, 1 | 1982-04-06 |
| Excavating machines for excavating rock and minerals having first and second alternative modes of control Grant 4,322,113 - Taylor , et al. March 30, 1 | 1982-03-30 |
| Temperature measurement system Grant 4,322,725 - Annetts March 30, 1 | 1982-03-30 |
| Sampling equipment for sedimentation rate measuring Grant 4,318,296 - Parker , et al. March 9, 1 | 1982-03-09 |
| Mineral mining machine with high pressure fluid nozzle and intensifier Grant 4,314,730 - Plumpton , et al. February 9, 1 | 1982-02-09 |
| Catalysts Grant 4,313,852 - Gavin , et al. February 2, 1 | 1982-02-02 |
| Cutter unit assemblies for excavating machines and to excavating machines including cutter unit assemblies Grant 4,302,054 - Haskew , et al. November 24, 1 | 1981-11-24 |
| Spray head Grant 4,284,242 - Randell August 18, 1 | 1981-08-18 |
| Accelerating agents for accelerating hardening of cement Grant 4,257,814 - Kellet , et al. March 24, 1 | 1981-03-24 |
| Constant speed uni-directional rotary sequence valve Grant 4,253,494 - Cooke March 3, 1 | 1981-03-03 |
| Mine cage position describer Grant 4,218,671 - Lewis August 19, 1 | 1980-08-19 |
| Communication system Grant 4,203,010 - Brooks May 13, 1 | 1980-05-13 |
| Method of heat treating a material Grant 4,201,676 - Randell , et al. May 6, 1 | 1980-05-06 |
| Reinforced rubber Grant 4,200,556 - Robinson , et al. April 29, 1 | 1980-04-29 |
| Brake equipment for mining machines Grant 4,196,798 - Barsted April 8, 1 | 1980-04-08 |
| Rock cutting tip inserts Grant 4,194,790 - Kenny , et al. March 25, 1 | 1980-03-25 |
| Aromatic hydrocarbon resins Grant 4,192,824 - Robinson , et al. March 11, 1 | 1980-03-11 |
| Cable protection equipment Grant 4,186,553 - Fitchett February 5, 1 | 1980-02-05 |
| Cutting force sensor Grant 4,181,360 - Wilson January 1, 1 | 1980-01-01 |
| Auxiliary drive mechanism Grant 4,160,391 - Monks July 10, 1 | 1979-07-10 |
| Controlled bunker systems Grant 4,138,010 - Pidgeon , et al. February 6, 1 | 1979-02-06 |
| Mining machines Grant 4,130,319 - Gapper December 19, 1 | 1978-12-19 |
| Drive mechanism Grant 4,125,178 - Monks November 14, 1 | 1978-11-14 |
| Apparatus for mixing two flowable substances Grant 4,125,334 - Jones November 14, 1 | 1978-11-14 |
| Apparatus for controlling the steering mechanism of a mining machine Grant 4,120,534 - Addison October 17, 1 | 1978-10-17 |
| Method of and apparatus for sensing strain in strained members Grant 4,114,429 - Clark September 19, 1 | 1978-09-19 |
| Underground mining machine with longwall guidance system Grant 4,111,487 - Mullins September 5, 1 | 1978-09-05 |
| Extraction of oil shales and tar sands Grant 4,108,760 - Williams , et al. August 22, 1 | 1978-08-22 |
| Pulse counting apparatus for measuring mechanical movement of a machine such as a mining machine Grant 4,107,516 - Hvidsten August 15, 1 | 1978-08-15 |
| Method of and apparatus for controlling advance of underground armored conveyors Grant 4,093,309 - Mullins June 6, 1 | 1978-06-06 |
| Haulage arrangements for mineral mining machines Grant 4,088,370 - Jarvis , et al. May 9, 1 | 1978-05-09 |
| Non return device Grant 4,051,929 - Parfitt October 4, 1 | 1977-10-04 |
| Cellular material Grant 4,045,380 - Blunt , et al. August 30, 1 | 1977-08-30 |
| Apparatus for determining the position of a object Grant 4,041,495 - Martin August 9, 1 | 1977-08-09 |
| Hydrogenation of coal Grant 4,036,731 - Martin July 19, 1 | 1977-07-19 |
| Method of and apparatus for measurement of flow of particulate material by sensing the shadow profile Grant 4,035,635 - Crosland , et al. July 12, 1 | 1977-07-12 |
| Gas extraction of coal Grant 4,028,220 - Urquhart June 7, 1 | 1977-06-07 |
| Determining the concentration of sulphur in coal Grant 4,015,124 - Page March 29, 1 | 1977-03-29 |
| Sequence control circuit Grant 4,015,138 - Andrews , et al. March 29, 1 | 1977-03-29 |
| Communication system between a transmitter, receiver station and a mobile station utilizing unidirectional amplifiers between parallel radiated transmission lines Grant 4,012,662 - Martin March 15, 1 | 1977-03-15 |
| Protection equipment for flexible elongated members Grant 4,006,875 - Smith , et al. February 8, 1 | 1977-02-08 |
| Hydrogenative treatment of coal Grant 3,997,424 - Urquhart December 14, 1 | 1976-12-14 |
| Novolak-type resins and varnishes Grant 3,993,851 - Robinson , et al. November 23, 1 | 1976-11-23 |
| Radiating telecommunication systems switching Grant 3,979,673 - Martin September 7, 1 | 1976-09-07 |
| Radiating telecommunication systems Grant 3,979,674 - Martin September 7, 1 | 1976-09-07 |
| Rock excavating arched tunnel forming machine Grant 3,979,151 - Plummer September 7, 1 | 1976-09-07 |
| Gas extraction of coal Grant 3,970,541 - Williams , et al. July 20, 1 | 1976-07-20 |
| Cellular material Grant 3,966,653 - Blunt , et al. June 29, 1 | 1976-06-29 |
| Intrinsically safe power supply apparatus Grant 3,955,132 - Greenwood May 4, 1 | 1976-05-04 |
| Radiating transmission lines Grant 3,949,329 - Martin April 6, 1 | 1976-04-06 |
| Mine roof support equipment Grant 3,916,631 - Agnew , et al. November 4, 1 | 1975-11-04 |
| Radio frequency communication systems Grant 3,916,311 - Martin , et al. October 28, 1 | 1975-10-28 |
| Rotary cutter heads for mineral mining machines Grant 3,904,246 - Gandy , et al. September 9, 1 | 1975-09-09 |
| Sealing a tube in a bore Grant 3,901,319 - Staley , et al. August 26, 1 | 1975-08-26 |
| Radiating line transmission system Grant 3,896,380 - Martin July 22, 1 | 1975-07-22 |
| Fluidised bed apparatus Grant 3,892,046 - Cooke July 1, 1 | 1975-07-01 |
| Drive Arrangements For Mining Machines Grant 3,892,184 - Kenn , et al. July 1, 1 | 1975-07-01 |
| Method and apparatus for the generation and transfer of heat Grant 3,868,993 - Battcock March 4, 1 | 1975-03-04 |
| Apparatus For Steering A Longwall Mineral Mining Machine Grant 3,817,578 - Wilson June 18, 1 | 1974-06-18 |
| Method And Apparatus For Detecting Pinholes In Sheet Material Grant 3,792,458 - Smith , et al. February 12, 1 | 1974-02-12 |
| Recording Apparatus Grant 3,786,511 - Bates , et al. January 15, 1 | 1974-01-15 |
| Electrical Connector Grant 3,778,747 - Curcic December 11, 1 | 1973-12-11 |
| Rotary Mining Head With Fluid Connector Means For Nozzle Grant 3,753,597 - French August 21, 1 | 1973-08-21 |
| Rotary Cutter For Mining With Fluid Supply Chambers Grant 3,747,982 - Agnew , et al. July 24, 1 | 1973-07-24 |
| Method Of Manufacturing Unitary Porous Carbon Bodies Grant 3,663,171 - Granger May 16, 1 | 1972-05-16 |
| Solid Fuel Combustion Apparatus Grant 3,636,896 - McLaren , et al. January 25, 1 | 1972-01-25 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 