1
Hall Thomas: Improvements in helical chutes primarily for bunkering coal. Qualter Hall & Co Sales, March 6, 1957: GB769312-A (2 worldwide citation)

769,312. Helical shoots. QUALTER, HALL & CO. (SALES), Ltd. Feb. 15, 1955 [Nov. 16, 1953], No. 31768/53. Class 78 (1). A helical bunkering shoot consists of an upright open helix having a peripheral angle of between 25 degrees, 30 minutes and 28 degrees, 30 minutes to the horizontal and wherein the s ...


2
Howarth Dennis: Improvements in or relating to bottom dump skips for guided skip hoists. Qualter Hall & Co Sales, July 19, 1961: GB873289-A (2 worldwide citation)

873,289. Skip hoists. QUALTER, HALL & CO. (SALES) Ltd. Jan. 1, 1960 [Feb. 11, 1959], No. 4839/59. Class 78 (4). The outlet 6 of a skip 4 for a skip hoist is arranged centrally of the downwardly sloping floor 5 and is closed from a delivery shoot 6a by a door 8. The door 8 is operated by two cables 1 ...


3
Hall Thomas, Hall Philip James, Price Edward Leslie: Improvements in or relating to storage bunkers. Qualter Hall & Co Sales, December 28, 1961: GB885695-A (1 worldwide citation)

885,695. Silos. QUALTER, HALL & CO. (SALES) Ltd. Aug. 26, 1959 [Oct. 9, 1958; Jan. 15, 1959], Nos. 32326/58 and 1559/59. Class 20(1) In a storage bunker provided with open trunking projecting into it, the trunking is formed by abutments 7 of triangular form in plan. The abutments may be hollow or so ...


4
Kelly Joseph William Edward: Locomotive. Qualter Hall & Co Sales, December 29, 1967: GB1096292-A (1 worldwide citation)

1,096,292. Locomotives; single rail vehicles. QUALTER, HALL & CO. (SALES), Ltd. Nov. 18, 1965 [Nov. 19, 1964], No. 47206/64. Heading B7L. [Also in Division F2] A monorail locomotive comprises a body 1, Fig. 1, suspended from the upper surface of a rail 10 by running wheels 8 swivellably mounted in b ...


5
Wainwright Ralph, Nash George Valentine: Monorail locomotive. Qualter Hall & Co Sales, March 20, 1968: GB1106601-A (1 worldwide citation)

1,106,601. Elevated railway locomotives. QUALTER, HALL & CO. (SALES) Ltd. 13 April, 1965 [17 April, 1964; 18 Jan., 1965], Nos. 16105/64 and 2131/65. Headings B7H and B7L. [Also in Division F2] A monorail locomotive suspended from an I-shaped rail 1 comprises running wheels journalled in swivellable ...


6
Improvements in or relating to mine cages and loading mechanism therefor. Qualter Hall & Co Sales, Cyril Lines, September 9, 1959: GB819874-A

819,874. Feeding trams to mine cages. QUALTER, HALL & CO. (SALES) Ltd., and LINES, C. Feb. 20, 1957 [March 8, 1956], No. 7329/56. Class 78 (4). Means 7 for receiving and centring a mine cage in its shaft, and a ramp 11 for feeding trams to the cage, can be withdrawn together to leave the shaft unobs ...


7
An improved means for loading coal and dirt into skips. Qualter Hall & Co Sales, Arthur Leech, January 6, 1960: GB826410-A

826,410. Wheeled skips handling materials. QUALTER, HALL & CO. (SALES) Ltd., and LEECH, A. April 12, 1957 [April 13,1956; Nov. 14, 1956], Nos. 11342/56 and 34824/56. Class 78 (4). The body of a container 4 receiving spoil in a mine is automatically tipped about an axis 14 relatively to its underfram ...


8
Lines Cyril: Improvements in plant for handling mine cars. Qualter Hall & Co Sales, June 28, 1961: GB871662-A

871,662. Transferring wagons to and from tipplers at pit heads. QUALTER, HALL & CO. (SALES) Ltd. March 24, 1959 [March 19, 1958], No. 8848/58. Class 78 (4). Pit head plant for discharging mine cars from a single or multi-deck mine cage, comprises a non-traversible single entry rotary tippler at each ...


9
Lines Cyril: Improvements in mine cage aligning mechanism. Qualter Hall & Co Sales, May 17, 1961: GB868584-A

868,584. Decking apparatus for pit cages. QUALTER, HALL & CO. (SALES) Ltd. Dec. 7, 1959 [Dec. 24, 1958], No. 41690/58. Class 78 (4). A platform 7 adapted to swing about an axis 8 to bridge the gap between a mine shaft inset and a cage 10 is provided with a pair of chamferred shoes 11 which co-operat ...


10
Howarth Dennis: Improvements in skip loading arrangements. Qualter Hall & Co Sales, October 4, 1961: GB878567-A

878,567. Controlling skip loading by radiation. QUALTER HALL & CO. (SALES) Ltd. April 3, 1959 [May 28, 1958], No. 17053/58. Class 40(3) [Also in Group XVIII] A light source or like signalling means, such as a radio-active source screened or unscreened in response to the condition to be signalled, is ...



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