1
James C Sternberg: Rate sensing batch analysis method. Beckman Instruments, R J Steinmeyer, R R Meads, January 20, 1976: US03933593 (187 worldwide citation)

A portable, automated chemical analyzer having a polarographic oxygen electrode submerged in a batch of stirred solution. The signal from the electrode is directly differentiated and amplified to produce a signal proportional to the time rate of change of oxygen concentration. The membrane of the po ...


2
William A Acord: Chemical analyzer with automatic calibration. Beckman Instruments, R J Steinmeyer, R R Meads, June 1, 1976: US03960497 (96 worldwide citation)

Improved apparatus for automatically calibrating and verifying the calibration of a chemical analyzer of the type which determines the concentration of a component in chemical or biological samples, e.g. concentration of glucose in blood or urine, wherein a sample changer sequentially advances sampl ...


3
Edmund E Buzza: Automatic analyzer. Beckman Instruments, R J Steinmeyer, R R Meads, December 14, 1976: US03997420 (68 worldwide citation)

An apparatus for automatically performing blood chemistry analyses and in particular the determination of the pH, PCO.sub.2 and PO.sub.2 of blood. The apparatus employs a flow cell having pH, PCO.sub.2 and PO.sub.2 measuring electrodes mounted therein adjacent to a sample passage extending through t ...


4
Edmund E Buzza, James C Sternberg: Analysis apparatus and method of measuring rate of change of electrolyte pH. Beckman Instruments, R J Steinmeyer, R R Meads, January 18, 1977: US04003705 (56 worldwide citation)

Apparatus for measuring carbon dioxide and chloride in blood. A blood sample is reacted with acid in a sample container to release carbon dioxide, a portion of which diffuses through a gas-permeable membrane and reacts with an electrolyte to change the pH thereof. A pair of pH measuring electrodes m ...


5
Richard S Kampf, Chul H Sohn, Aurangzeb K Khan: Apparatus for transporting sample holders. Beckman Instruments, R J Steinmeyer, R R Meads, A A Canzoneri, June 19, 1984: US04454939 (40 worldwide citation)

Apparatus for transporting elongated sample holders in a sample holder storage compartment past an operating station at which sample tubes contained in the sample holders may be removed and then returned to the sample holders. First and second parallel conveyors on opposite sides of the operating st ...


6
Thomas J Glenn: Fluid dispenser. Beckman Instruments, R J Steinmeyer, R R Meads, J R Shewmaker, May 22, 1979: US04155490 (36 worldwide citation)

A fluid dispenser including a syringe having a reciprocating syringe plunger for controlling syringe fluid intake and discharge and a traveling slide connected to the plunger for driving the plunger. The traveling slide is bearing mounted in sliding relationship on a fixed shaft and is driven therea ...


7
James G Van Vliet, Frank M Aralis: Graphics memory expansion system. Beckman Instruments, R J Steinmeyer, R R Meads, G T Hampson, March 27, 1984: US04439762 (34 worldwide citation)

A video display memory expansion system for expanding the graphics memory within the video display. The memory expansion system is suited for increasing the resolution of a graphics display from a low-resolution to a high-resolution display. A video display device is adapted to receive a relatively ...


8
William A Acord: Sample residue cleaning system for biological analyzers. Beckman Instruments, R J Steinmeyer, R R Meads, January 4, 1977: US04000974 (29 worldwide citation)

Method and apparatus for picking up liquid sample material, such as blood serum, in a sample pick-up probe and for ejecting the sample from the probe into a reagent chemically reactive with the sample for analysis. Before ejecting the sample from the probe, the probe is inserted into the reagent for ...


9
Paul Jerrold Jones, Irwin H Krull: Ion sensitive combination electrode. Beckman Instruments, R J Steinmeyer, R R Meads, J R Shewmaker, March 15, 1977: US04012308 (27 worldwide citation)

An electrochemical combination electrode assembly particularly adapted for measuring the pH of body portions of a living subject, such as skin, hair, and the like, and which can be operated in any vertical, inclined or horizontal orientation. The assembly comprises a pH-indicating glass electrode su ...


10
Wilbur I Kaye: Detector apparatus for laser light scattering photometers. Beckman Instruments, R J Steinmeyer, R R Meads, J R Shewmaker, June 7, 1977: US04027973 (25 worldwide citation)

Detector apparatus for a laser light scattering photometer of the type for measuring radiant power scattered from a sample at a selectable angle with respect to the direction of an incident beam of radiant power and for measuring radiant power transmitted through the sample in the direction of the i ...