1
Leland B Smith: Bioelectrical impedance measuring system. Beckman Instruments, R J Steinmeyer, P R Harder, July 27, 1976: US03971365 (207 worldwide citation)

A bioelectrical impedance measuring system that measures and indicates the impedance of a biological subject, such as one or more human extremities. The system measures and indicates a basal impedance value of the measured subject, and also indicates short temporal variations in the basal value. In ...


2
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 ...


3
Frank A Momany: Synthetic peptides having pituitary growth hormone releasing activity. Beckman Instruments, R J Steinmeyer, J E Vanderburgh, R S Frieman, October 25, 1983: US04411890 (151 worldwide citation)

Novel peptides having the following amino acid sequence ##STR1## wherein X.sub.1, X.sub.2, and X.sub.3 are selected from a group consisting of N-terminal and desamino alpha-carbon substitutions and a and b are 0 or 1, provided that a and b are always 0 when A.sub.1 is a desamino residue; A.sub.1 and ...


4
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 ...


5
Gregory Dzula, Melvin Levine, Elmer Ambrose Sperry III: Fluid sampling apparatus. Beckman Instruments, R J Steinmeyer, P R Harder, D A Streck, April 19, 1977: US04018089 (84 worldwide citation)

Improved apparatus for bringing a fluid in a process stream in contact with a sensor is disclosed. The present invention uses the kinetic energy of the process fluid to convey some of the fluid to and from the sensor, as opposed to the prior art practice of inserting the sensor itself into the proce ...


6
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 ...


7
Edgar H Frank: Knob locking and drag device. Beckman Instruments, R J Steinmeyer, F L Mehlhoff, W H May, May 15, 1979: US04154125 (63 worldwide citation)

A device for use with variable electrical components such as potentiometers to provide not only an independent means adjacent the control knob to lock the knob in a fixed position, but also to provide variable amounts of drag on the knob to enhance more precise and accurate control of the knob. The ...


8
Ronald G Porter, Richard E LeBlanc, Rolf W Siemon: Digital communication system for remote instruments. Beckman Instruments, R J Steinmeyer, P R Harder, E C Jason, November 1, 1983: US04413250 (63 worldwide citation)

A communication system for communicating digitally encoded information from a remote transmitting station to a central receiving station. The central station supplies d-c operating power to a remote station through a d-c power distribution line. A voltage regulator at the remote station receives the ...


9
John E Lillig, Richard C Meyer: Tray section for automated sample handling apparatus. Beckman Instruments, R J Steinmeyer, J E Vanderburgh, Timothy R Schulte, November 3, 1981: US04298570 (59 worldwide citation)

A containment apparatus for liquids. The device may be used with nephelometric instruments to contain sample liquids for serial dilution. The containment apparatus includes a tray section having a plurality of wells formed as an integral part of the tray section. The wells include well portions exte ...


10
Kenzo Ishimaru, Lee Gropper: Chylomicron rotor. Beckman Instruments, R J Steinmeyer, F L Mehlhoff, W H May, March 6, 1979: US04142670 (57 worldwide citation)

A centrifuge rotor assembly having a resilient liner with at least two separate chambers. Fluid communication between the separate chambers is automatically controlled in response to centrifugation operation of the rotor. When the rotor is stationary, the liner assumes a first position within the ro ...