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Vacuum cleaner. Bates W, February 22, 1978: GB1501927-A (17 worldwide citation)

1501927 Vacuum cleaners W. J. BATES 26 Aug 1976 [30 May 1975] 23569/75 Heading A4F [Also in Divisions B1 and F4] A vacuum cleaner, e.g. for use in hospitals, comprises a dust bag 4 for collecting dust particles, an electrostatic precipitator, preferably downstream of the dust bag, for removing small ...


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Matching thermal expansions of components of turbo-machines. Rolls-Royce, February 22, 1978: GB1501916-A (14 worldwide citation)

1501916 Axial-flow turbomachines ROLLS-ROYCE Ltd 16 June 1976 [20 June 1975] 26427/75 Headings F1C and F1T To reduce thermal expansion of a compressor or other turbomachine casing 18 to a rate more nearly equal to that of the associated rotor, the casing is double walled at locations surrounding rot ...


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Azole antimycotics in cosmetics. Bayer, February 22, 1978: GB1502144-A (13 worldwide citation)

1502144 Toiletries containing azole antimycotics BAYER AG 16 May 1975 [22 June 1974] 20817/75 Heading A5B A hair or skin toiletry composition comprises at least one azole antimycotic which is active against skin changes wholly or partially caused by Pityrosporum ovale and which has the formula (I) w ...


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Pile fabrics. Dunlop, February 22, 1978: GB1501871-A (12 worldwide citation)

1501871 Pile fabrics: shrinking fabrics DUNLOP Ltd 11 Feb 1975 [20 Feb 1974 6 Dec 1974] 7660/74 and 52984]74 Headings D1K and D1S [Also in Division B5] A pile fabric is made by superimposing webs (i) and (ii) of non-woven staple fibres, web (i) including crimped fibres and web (ii) comprising a majo ...


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Process for producing acetic acid ethanol and acetaldehyde from synthesis gas. Union Carbide, February 22, 1978: GB1501892-A (11 worldwide citation)

1501892 Acetic acid, ethanol and acetaldehyde from synthesis gas UNION CARBIDE CORP 27 Jan 1975 [28 Jan 1974 16 Jan 1975] 3370/75 Heading C2C A synthesis gas containing carbon monoxide and hydrogen is continuously contacted with a heterogeneous catalyst comprising rhodium metal at reaction condition ...


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Differential pressure piston combustion chamber system for the production of propellant gases. Messerschmitt Boelkow Blohm, February 22, 1978: GB1501853-A (11 worldwide citation)

1501853 Gun with hypergolic propellants MESSERSCHMITT-BOLKOW GmbH 28 July 1969 [21 Aug 1968] 37857/69 Heading F3C A differential pressure piston combustion chamber system for the production of propellant gases from fluid media, particularly hypergolic propellant components, and especially for firear ...


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Concrete segment. Tsuzuki J, February 22, 1978: GB1502207-A (10 worldwide citation)

1502207 Tunnel linings J TSUZUKI 25 June 1976 [18 July 1975 5 April 1976] 26467/76 Heading E1F A concrete segment 1 for a tunnel lining consists of an arcuate concrete body member 2 having cavities in the joint surfaces of the body 2, each of the cavities being open from the inner surface of the bod ...


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Telecommunications apparatus. Secr Defence, February 22, 1978: GB1501874-A (9 worldwide citation)

1501874 Speech transmission DEFENCE SECRETARY OF STATE FOR 3 June 1975 [7 June 1974] 25475/74 Heading H4R In a pulse code modulation system, the logarithmically compressed amplitudes of, and time intervals between, successive stationary points (maxima and minima) of an input analogue waveform are en ...


10
Non-woven fabric for filtering blood. Purolator, Johnson & Johnson, February 22, 1978: GB1501665-A (8 worldwide citation)

1501665 Needled fabric filter JOHNSON & JOHNSON and PUROLATOR INC 18 April 1975 [19 April 1974] 16092/75 Heading D1R [Also in Divisions B1 and B5] A blood filter element comprises a filter sheet 47 comprising a nonwoven layer of fibres having a thickness of at least 0.015 inches, consisting of fibre ...