1
Rotary transformer for coupling multi-phase systems having a small frequency difference. Bbc Brown Boveri & Cie, July 9, 1969: GB1157885-A (54 worldwide citation)

1,157,885. Systems connecting two or more sources. BROWN, BOVERI & CO. Ltd. 18 July, 1966 [19 July, 1965; 7 Oct., 1965; 10 Feb., 1966], No. 32129/66. Heading H2H. A rotary transformer comprising an induction machine A having a number of poles not exceeding 4 couples two polyphase A.C. distribution s ...


2
Improvements in or relating to electrical cooking apparatus and utensils for use therewith. Electricity Council, Maurice Gordon Gibbs, Arthur Trevor Churchman, July 9, 1969: GB1157711-A (22 worldwide citation)

1,157,711. Induction heating. ELECTRICITY COUNCIL, M. G. GIBBS, and A. T. CHURCHMAN. 23 Jan., 1968 [24 Oct., 1966], No. 47667/66. Heading H5H. The upwardly facing poles 13, 14 of the laminated or powdered core of an induction cooking apparatus are covered by a non- magnetic non-conductive flexible s ...


3
Nozzle extension for continuous casting. United States Steel, July 9, 1969: GB1157818-A (20 worldwide citation)

1,157,818. Discharging molten metals. UNITED STATES STEEL CORP. 14 Sept., 1966 [23 Sept., 1965], No. 41045/66. Heading F4B. In apparatus for the continuous casting of steel from a ladle 10 into a water cooled cylindrical mould 15 a nozzle extension 20 comprises a cylindrical refractory tube 21 of la ...


4
Testa Carlo: Improvements in or relating to building structures.. Brockhouse Steel Structures Lt, July 9, 1969: GB1157545-A (18 worldwide citation)

1,157,545. Connections between floor panels and skeleton framework. BROCKHOUSE STEEL STRUCTURES Ltd. 6 May, 1968 [5 May, 1967], No. 20965/67. Heading E1A. A floor panel 13 is connected to the skeleton framework 11 of a building by a coupling 21 having resilient means 22 which prevents relative horiz ...


5
Volans Peter, Changani Pushkumar Dewanmal: Production of fibrous materials. Monsanto Chemicals, July 9, 1969: GB1157695-A (18 worldwide citation)

1,157,695. Fibrillating foamed materials. MONSANTO CHEMICALS Ltd. 3 Oct., 1967 [17 Nov., 1966], No. 51479/66. Headings D1F, D1R and D1W. A fibrous material for example a non- woven fabric, or a yarn as described in specispecifications 1,114,151 and 1,131,282 respectively, or discrete fibres - is pro ...


6
Polyamide/polyethylene blends.. Du Pont, July 9, 1969: GB1157569-A (13 worldwide citation)

1,157,569. Synthetic resin compositions. E. I. DU PONT DE NEMOURS & CO. 6 Nov., 1967 [4 Nov., 1966], No. 50427/67. Headings C3P and C3R. Homogeneous blends comprising 3 to 50 weight per cent of polyamide resin and 97 to 50 weight per cent of polyethylene and a copolymer of ethylene and 0À1 to 8 mole ...


7
Hair curler. Skyline Oil Company, July 9, 1969: GB1157814-A (13 worldwide citation)

1,157,814. Hair-curling apparatus. SKYLINE OIL CO. 11 July, 1966 [19 July, 1965], No. 30986/66. Heading A4V. Hair-curling apparatus comprises a rotatable post about which a hair tuft is loosely wound and gripped by a clasp pivoted to the post, and a clamp for gripping hair strands between the scalp ...


8
Williams John: Improvements in or relating to safety shaving razors. Calmic, July 9, 1969: GB1157640-A (11 worldwide citation)

1,157,640. Razors. CALMIC Ltd. 16 Aug., 1967 [23 Aug., 1966], No. 37764/66. Heading B4B. A safety razor for use in hospitals comprises a holder for a two-edged razor blade, a handle secured to or mounted on one side of the blade holder, and an applicator for a hair softening agent on the other side ...


9
Improvements in or relating to target practice rounds.. Rheinmetall, July 9, 1969: GB1157555-A (9 worldwide citation)

1,157,555. Disintegrating practice projectiles. RHEINMETALL G.m.b.H. 1 June, 1967 [29 Sept., 1966], No. 25245/67. Heading F3A. A projectile for target practice ammunition which corresponds in size, shape and weight to the projectile of a corresponding live round but which disintegrates on discharge ...


10
Device for separating liquid and solid particles out of a flowing medium.. Kloeckner Humboldt Deutz, July 9, 1969: GB1157466-A (9 worldwide citation)

1,157,466. Separating particles from fluids. KLOCKNER-HUMBOLDT-DUETZ A.G. 12 Aug. 1966 [13 Aug., 1965; 3 Feb., 1966; 29. April, 1966 (2)], No. 36210/66. Headings BID and B1T. Solid or liquid particles are removed from a gas stream, or solids from a liquid stream, by impingement on an array of baffle ...