1
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 ...


2
George E Conway: Rotor bucket liner. Beckman Instruments, R J Steinmeyer, F L Mehlhoff, A A Canzoneri, March 27, 1984: US04439177 (26 worldwide citation)

A liner for use in a centrifuge rotor bucket for converting a single cavity bucket into a multicavity bucket to provide separate support for at least two flexible fluid sample containers. The liner has a separation ridge which defines at least two areas in the liner, but allows maximum space for rec ...


3
David H Strain, John H Sutton III: Cover for centrifuge rotor. Beckman Instruments, R J Steinmeyer, F L Mehlhoff, A A Canzoneri, November 1, 1983: US04412830 (26 worldwide citation)

A cover having a free-turning knob in its center for use on the rotor of a centrifuge. The knob includes tool means for coupling the knob with a threaded fastener securing the rotor to a drive shaft. Thus, when the cover is positioned on the rotor, the threaded fastener securing the rotor can be tig ...


4
Robert A Fiedler: Static control strap. Beckman Industrial Corporation, A A Canzoneri, John E Vanderburgh, August 12, 1986: US04605984 (24 worldwide citation)

A grounding device for connecting the body of a person to a ground point to drain off electrostatic charge from the body of the person. The device includes a conductive band worn on the wrist of the user, a connecting cable and sensing and indicating circuitry for verifying the electrical continuity ...


5
David H Strain: Shell type centrifuge rotor having controlled windage. Beckman Instruments, R J Steinmeyer, F L Mehlhoff, A A Canzoneri, May 22, 1984: US04449965 (21 worldwide citation)

The present invention is directed to a shell type centrifuge rotor formed as a frustoconical shell having a circular rim adjacent at least one end thereof. The lower end of the shell is open, whereas the upper end has a conical recess and a central opening. The recess has an inverted frustoconical s ...


6
David H Strain: Shell type centrifuge rotor retaining ruptured tube sample. Beckman Instruments, R J Steinmeyer, F L Mehlhoff, A A Canzoneri, November 27, 1984: US04484906 (20 worldwide citation)

A rotor adapted for containing a plurality of sample tubes and for retaining the contents of such tubes if any should rupture while in the rotor. The rotor includes an upper shell and a lower shell connected by a central hub interposed therebetween. Provision is made for coupling the hub to a drive ...


7
Anthony J Bernot, Kenneth Brown: Process for generating conductive patterns. Beckman Instruments, R J Steinmeyer, F L Mehlhoff, A A Canzoneri, June 12, 1984: US04454167 (15 worldwide citation)

A process for generating high resolution conductive patterns on an insulating substrate. A photosensitive resin coating applied to the surface of a substrate is exposed to a suitable light source through a mask. The unexposed portion of the coating defines the desired conductive pattern which is the ...


8
Richard S Kampf: Apparatus for transporting sample holders. Beckman Instruments, W H May, R R Meads, A A Canzoneri, December 18, 1984: US04488633 (14 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 ...


9
Robert J Ehret, Herschel E Wright: Variable slip drive system for induction motor. Beckman Instruments, R J Steinmeyer, F L Mehlhoff, A A Canzoneri, July 10, 1984: US04459533 (6 worldwide citation)

A variable slip drive system for driving a variable speed induction motor. The system includes a tachometer for providing a signal proportional to the speed of the motor and a slip oscillator. The output of the tachometer and slip oscillator are combined by a motor drive oscillator to provide a moto ...


10
Thomas D Sharples: Small diameter shaft connection. Beckman Instruments, R J Steinmeyer, F L Mehlhoff, A A Canzoneri, July 3, 1984: US04457737 (4 worldwide citation)

A torque-transmitting connector is disclosed which fits between a spindle and the walls of a bore in a rotating member. The connector includes a sleeve encircling the spindle and two flanges located at its opposite ends. Each flange is initially frustoconical, and is forced into substantially a disc ...