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Jr Joseph Richard Coulter, Coulter Wallace Henry: Improvements in particle study or detecting apparatus. Coulter Electronics, August 15, 1962: GB903156-A (3 worldwide citation)

903,156. Electric selective-signalling systems. COULTER ELECTRONICS Ltd. June 2, 1959, No. 18847/59. Class 40 (1). [Also in Groups XXVIII and XXXVI] Apparatus for detecting particles suspended in a fluid medium comprises a hollow body having an orifice submerged in a vessel and having a solid member ...


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Coulter Wallace Henry, Hogg Walter Robert: Apparatus for particle classification and analysis. Coulter Electronics, March 25, 1970: GB1185898-A (2 worldwide citation)

1,185,898. Particle counting apparatus. COULTER ELECTRONICS Ltd. (W.H. Coulter). Sept.28, 1967, No.44138/67. Heading G1N. In a "Coulter counter" it has been found that the impedance of different kinds of particle varies with the supply frequency, especially at R.F. The Specification describes at len ...


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Coulter Wallace Henry, Adler Stanford L: Automatic coagulometer apparatus. Coulter Electronics, February 1, 1967: GB1057147-A

1,057,147. Photo-electric coagulometers. COULTER ELECTRONICS Inc. Nov. 25, 1963, No. 46536/63. Heading G1A. [Also in Division F1] The length of time taken for a sample of blood plasma to coagulate after the addition of a measured amount of thromboplastin is determined by rotating a disc magnetically ...


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Coulter Wallace Henry, Hogg Walter Robert: Apparatus and method for measuring the dividing particle size of a particulate system. Coulter Electronics, October 13, 1971: GB1249470-A

1,249,470. Measuring particle size. COULTER ELECTRONICS Ltd. 31 Oct., 1968 [1 Nov., 1967], No. 51644/68. Heading G4H. [Also in Division G1] In apparatus for ascertaining that particle size of a particulate system above and below which predetermined fractions of the total mass of the system lie (e.g. ...


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Coulter Wallace Henry: Automatic diluting apparatus. Coulter Electronics, April 14, 1966: GB1026310-A

1,026,310. Delivering measured quantities of liquids; sampling liquids. COULTER ELECTRONICS Inc. Dec. 5, 1963, No. 48155/63. Heading B8N. [Also in Divisions B1 and F1] An automatic diluting apparatus comprises a conduit system having operably connected thereto two vessels the volume of each being co ...


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Morgan Charles Trafton, Coulter Wallace Henry: Vessel construction for a particle study device. Coulter Electronics, August 28, 1968: GB1125289-A

1,125,289. Counting particles. COULTER ELECTRONICS Ltd. Sept. 8, 1965, No. 38478/65. Heading G1N. Particle study apparatus operating on the Coulter principle is constructed so that all the particles in a sample can be studied and subsequently recovered. Vessels 12, 14 are clamped together to define ...