1
Aeroplane wing flaps. William Edrington Gray, November 16, 1937: GB475500-A (2 worldwide citation)

475,500. Aeroplane wing - flaps. GRAY, W. E. May 16, 1936, No. 13966. [Class 4] A wing-flap is supported from the wing structure by means comprising a pivoted link running from a pivot on or fixed to the wing to a pivot on the flap some distance back from the leading edge thereof, and guided during ...


2
Aeroplane stabilising means. William Edrington Gray, February 1, 1937: GB460636-A (1 worldwide citation)

460,636. Stabilizing aircraft. GRAY, W. E. Aug. 1, 1935, No. 21810. Drawings to Specification. [Class 4] A fixed lifting-wing for aeroplanes having a span several times as great as its mean chord, of aerofoil section and parallel or moderately tapered in plan is provided on its upper surface with a ...


3
Aeroplane wing flaps. William Edrington Gray, November 12, 1937: GB475163-A (1 worldwide citation)

475,163. Controlling aircraft. GRAY, W. E. May 12, 1936, No. 13456. [Class 4] A slotted flap 2 forms part of an aeroplane wing 1 and a surface 3 is hinged to its leading edge ; the surface 3 is mechanically connected to the wing so that when the flap is moved from its inoperative position the leadin ...


4
Aeroplane stabilizing and control means. William Edrington Gray, December 13, 1940: GB530508-A (1 worldwide citation)

530,508. Controlling aircraft. GRAY, W. E. March 10, 1939, No. 7739. [Class 4] An aeroplane wing 1 is. provided on each outboard half of its semi-span with spoilers 2 capable of being put into and out of action simultaneously by the pilot. The spoilers may be hinged or of the arc type. The spoilers ...


5
Means for studying air-flow. William Edrington Gray, August 13, 1946: GB579681-A (1 worldwide citation)

579,681. Testing aircraft. GRAY, W. E. Nov. 12, 1943, No. 18810. [Class 4] In order to study the airflow over an aeroplane part, such as a wing, it is coated with a thin layer of starch mixed with potassium iodide with or without a small quantity of glycerine, and the part is then subjected in a win ...


6
Undercarriage for aeroplanes. William Edrington Gray, November 19, 1930: GB338514-A

338,514. Gray, W. E. Aug. 19, 1929. Land wheels. - An aeroplane undercarriage comprises two sets of wheels, one set mounted in front of the centre of gravity and the other mounted for fore and aft adjustment to positions on either side thereof, the arrangement being such that with the rear set in th ...


7
Undercarriage for aeroplanes. William Edrington Gray, November 19, 1930: GB338515-A

338,515. Gray, W. E. Aug. 19, 1929. Land wheels.-An aeroplane undercarriage comprises two sets of wheels, one set well ahead of the centre of gravity and the other sufficiently far to the rear thereof to ensure that the rear of the machine can never rest on the ground, one at least of the sets of wh ...


8
Aeroplane wing flaps. William Edrington Gray, December 13, 1937: GB476673-A

476,673. Aircraft wing-flaps. GRAY, W. E. March 12, 1936, No. 7490. [Class 4] A partially or fully balanced wake-forming wing-flap adapted to be nested into an aeroplane wing is hingedly divided along its span, and the rearmost or lowermost portion so formed is adapted to be angularly adjusted with ...


9
Air brakes for aeroplanes. William Edrington Gray, June 8, 1931: GB350028-A

350,028. Aeroplane air brakes. GRAY, W. E., 8A, Bank Parade, Edgware, Middlesex. March 6, 1930, No. 15174/31. Divided on 350,475. [Class 4.] A parachute air brake for reducing the landing run of an aeroplane is arranged to be automatically released on contact of the machine with the ground. A parach ...


10
Air brakes for aeroplanes. William Edrington Gray, June 8, 1931: GB350475-A

350,475. Air brakes for aeroplanes. GRAY, W. E., 8A, Bank Parade, Edgware, Middlesex. March 6, 1930, No. 7408. [Class 4.] An aeroplane which is provided with one or more parachutes which can be released to act as air brakes has one parachute 4, Fig. 2, attached by two separate means, the normal one ...



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