1
Improvements in or relating to electrostatic dust precipitation. Westinghouse Electric Int, September 20, 1950: GB643363-A (34 worldwide citation)

643,363. Electrostatic precipitation. WESTINGHOUSE ELECTRIC INTERNATIONAL CO. Oct. 14, 1947, No. 27520. Convention date, Oct. 30, 1946. [Class 39 (i)] Back ionization in the ionizing zone of a twostage precipitation is reduced by cooling one or more of the non-discharging electrodes to a temperature ...


2
Clamps. Bernhard Volkery, John Koslowski, September 20, 1950: GB643565-A (9 worldwide citation)

643,565. Clamps; band clips. VOLKERY, B., and KOSLOWSKI, J. Oct. 18, 1948, No. 27000. Convention date, Dec. 2, 1947. [Class 44] [Also in Group VI] A clamp, particularly adapted for securing a fishing net 11 to a float 12, comprises a pair of half sections 15, hinged at 16, and each having recesses 1 ...


3
Hand moistener, shaped as a fountain pen for damping envelopes, stamps and similar gummed labels. Mieczyslaw Maciejewski, September 20, 1950: GB643626-A (6 worldwide citation)

A moistener for envelopes, stamps and gummed labels comprises, in the form of a pen-holder, an upper and a lower socket connected by a screw. A rotatable cylinder 1 fixed on axle 2 is set in the aperture of the lower socket 5 which contains absorbent material 4 such as sponge, cotton or felt. This i ...


4
Liners for cylinders. Norton Co, September 20, 1950: GB643435-A (5 worldwide citation)

643,435. Cylinder liners. NORTON CO. Nov. 3, 1948, No. 28540. Convention date, April 24. [Class 122(i)] A cylinder liner comprises a sleeve 2 of metal shrunk on to an inner lining 1 of at least 75 per cent by weight of refractory non-metallic material of hardness at least 7 on Moh's scale. The sleev ...


5
An improved apparatus for applying lotions and like liquid preparations to the skin. Milton Stanley Lind, September 20, 1950: GB643633-A (5 worldwide citation)

643,633. Liquid applicators. LIND, M. S. July 19, 1948, No. 19315. [Class 81(ii)] [Also in Group XXIX] A scalp lotion applicator has a tubular leg 2 passing through a stopper 8 of a container 9, and is joined to a tubular distributer leg 1 along which nozzles 6 of differing lengths are spaced, to ad ...


6
Improvements in processes for producing piezo-electric crystals. Marconi Wireless Telegraph Co, September 20, 1950: GB643448-A (5 worldwide citation)

A monocrystalline body is made by mixing powdered silica, tourmaline, or Rochelle salt with a small proportion of a liquid capable of slightly dissolving the powder, compressing the mixture so that it behaves as a rigid body, and subjecting the compressed mixture to high-frequency vibrations. The vi ...


7
Improvements in method and apparatus for water-marking paper. James Donald Maclaurin, September 20, 1950: GB643430-A (4 worldwide citation)

643,430. Watermarking and printing in paper-making machines. MACLAURIN, J. D. Aug. 30, 1948, No. 22817. Convention date, Sept. 6, 1947. [Class 96] The travelling pulp web 2 on the wire-cloth 1 of a paper-making machine is watermarked by pressure of air, from slots 10 in pipes 9, exerted through sten ...


8
Improvements in or relating to incandescent mantles for lighting and heating appliances. Tilley Lamp Company, William George Colle, September 20, 1950: GB643638-A (4 worldwide citation)

643,638. Incandescent gas burners. TILLEY LAMP CO., Ltd., and COLLE, W. G. Aug. 11, 1948, No. 21137. [Class 75(i)] A soft tubular incandescent mantle assembly comprises a soft woven tubular element A containing the incandescent substance or substances and a resilient ring B lying within one end of t ...


9
Improvements relating to aircraft retractable undercarriages. Dowty Equipment, Richard Cleminson Cussons, September 20, 1950: GB643636-A (4 worldwide citation)

643,636. Aircraft landing-gear. DOWTY EQUIPMENT, Ltd., and CUSSONS, R. C. Aug. 6, 1948, No. 20828. [Class 4] [Also in Group XXIX] An aircraft retractable bogie undercarriage is rocked about its attachment to the undercarriage leg by a hydraulic power device, the control valve of which is actuated fr ...


10
Improvements in hose clamps. Weeks & Son W, Edward Philip Kirby, September 20, 1950: GB643615-A (4 worldwide citation)

643,615. Pipe joints; pipe fittings. WEEKS & SON, Ltd., W., and KIRBY, E. P. May 5, 1948, No. 12344. [Classes 99(i) and 99(ii)] [Also in Group XXV] Means for securing a hose to a union or the like comprises a union 2 of the kind having at least one enlargement 5 having a diameter greater than the bo ...