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 ...


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 ...



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 ...


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. ...

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 ...

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 ...