1
Williams Frank Archer: Improvements in or relating to the underground gasification of coal. Nat Res Dev, June 18, 1952: GB674082-A (259 worldwide citation)

674,082. Destructive distillation in situ. NATIONAL RESEARCH DEVELOPMENT CORPORATION. July 31, 1950 [June 15, 1949], No. 15989/49. Drawings to Specification. Class 55 (ii). In a system for the underground gasification of coal in which a stream of gasifying medium such as air, air mixed with oxygen, ...


2
Williams Frank Archer: Improvements relating to the underground gasification of coal. Nat Res Dev, September 16, 1953: GB697189-A (212 worldwide citation)

697,189. Gasifying unmined coal. NATIONAL RESEARCH DEVELOPMENT CORPORATION. March 24, 1952 [April 9, 1951], No. 8241/51. Class 55(ii) A gasification channel 4 in a dipping coal seam 1 extends horizontally between a gaseous medium intake shaft 5 and a gas offtake shaft 6 and a pipe line 7 in shaft 5 ...


3
Williams Frank Archer: Improvements in or relating to slag tapping. Mini Of Power, January 10, 1962: GB886745-A (2 worldwide citation)

886,745. Removing slag. POWER, MINISTER OF. April 27, 1960 [Jan. 29, 1959], No. 3191/59. Classes 51 (1) and 51 (2). Slag from a gasifier is prevented from fouling the tapping hole 10 by the action of a high-frequency electric current passed through a coil 12 surrounding the hole 10. The floor 4 of t ...


4
Williams Frank Archer: Improvements relating to carbonisation processes. Mini Of Fuel And Power, September 18, 1957: GB783179-A (1 worldwide citation)

783,179. Carbonizing solid fuel. MINISTER OF FUEL & POWER. March 7, 1955 [March 18, 1954], No. 7886/54. Class 55 (1). In a process in which material is carbonized by being passed continuously in the form of a thin layer through a chamber, the material is densified by being subjected, during its pass ...


5
Williams Frank Archer: Improvements relating to the heat treatment of solid fuel. Mini Of Power, February 10, 1960: GB827592-A

827,592. Carbonizing processes. MINISTER OF POWER. Oct. 18, 1956 [July 19, 1955], No. 20868/55. Class 55 (1). Solid fuel is passed through a carbonizing chamber 1 in the form of a thin layer 8a supported on a layer 7a of inert non-fusible and non-agglomerating material carried by the hearth section ...


6
Williams Frank Archer: Improvements in or relating to the manufacture of lump fuel from medium-caking and weakly-caking coals. Mini Of Power, December 23, 1957: GB788068-A

788,068. Agglomerating fuel.. MINISTER OF POWER. Jan. 30, 1956 [Jan. 28, 1955], No. 2601/55. Class 50. In a process of making lump fuel from medium and weakly caking coal particles of the coal are fed from a hopper 1 on to an endless belt conveyer 2 to pass between two electrodes 4 where they are he ...


7
Williams Frank Archer: An improved method of carbonisation. Mini Of Power, March 2, 1960: GB829498-A

829,498. Coking coal. MINISTER OF POWER. Oct. 25, 1956 [July 27, 1955], No. 21682/55. Class 55 (1). A method of effecting the carbonization of particles of weakly coking or non-coking coal comprises feeding the particles into a rotating centrifuge device so that a layer of the particles is formed on ...



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