1
Philip O Isaacson, David W Gadtke, Vernon D Heidner, Neal F Nordling: Single channel pulse oximeter. Nonin Medical, Orrin M Haugen, Thomas J Nikolai, Frederick W Niebuhr, September 27, 1988: US04773422 (248 worldwide citation)

An electronic apparatus for sensing the percentage of different blood constituents in arterial blood. Light of a plurality of separate wave lengths is sequentially made to pass through a portion of the body, either by direct transmission or scattering so that the pulsatile blood flow modulates the i ...


2
Neal F Nordling: Planar receiver antenna coil for programmable electromedical pulse generator. Cardio Pace Medical, Cardio Pace Medical, Kinney & Lange, April 10, 1984: US04441498 (177 worldwide citation)

An implantable programmable pulse generator provides electrical stimulation signals to the heart of a patient. The operating parameters of the pulse generator, such as stimulation rate, refractory period duration, and operating mode are programmable by a physician after the pulse generator has been ...


3
Arild Vedoy, Mark Nordling, Neal F Nordling: Sheet feeder. Multifeeder Technology, Nikolai Mersereau & Dietz P A, April 18, 2000: US06050563 (11 worldwide citation)

An electromechanical friction feed device for controlling the single feed of sheet-like articles from a stack of such articles has a feed belt and stripper wheel that are used to draw a single article from the bottom of the stack to the discharge section of the feeder. The stripper wheels slowly rot ...


4
Philip O Isaacson, David W Gadtke, Vernon D Heidner, Neal F Nordling: Pulse oximeter with circuit leakage and ambient light compensation. Nonin Medical, Haugen and Nikolai, July 23, 1991: USRE033643 (11 worldwide citation)

An electronic apparatus for sensing the percentage of different blood constituents in arterial blood. Light of a plurality of separate wave lengths is sequentially made to pass through a portion of the body, either by direct transmission or scattering so that the pulsatile blood flow modulates the i ...


5
Arild Vedoy, Mark Nordling, Neal F Nordling: Automatic product loader for use with sheet feeders. Multifeeder Technology, Nikolai Mersereau & Dietz P A, July 11, 2000: US06086061 (7 worldwide citation)

An automatic product loader adapted for loading flat sheet products into a hopper of a friction sheet feeder, upon demand, and includes a frame that adjustably supports a horizontal bed that can readily be elevated and lowered as well as be longitudinally shifted in a forward and rearward direction. ...


6
Neal F Nordling: Demand-type cardiac pacer having dynamic impedance switch. Cardiac Pacemakers, Orrin M Haugen, Thomas J Nikolai, April 14, 1981: US04261365 (4 worldwide citation)

An improvement in a demand-type heart pace system in which the normally high input impedance of the R-wave sensing amplifier is reduced for a predetermined time interval following the generation of a heart stimulating impulse such that the charge on the pulse generator's voltage doubling capacitor f ...


7
Neal F Nordling: Crystal oscillator and divider. Cardiac Pacemakers, Orrin M Haugen, Thomas J Nikolai, October 2, 1979: US04169994 (1 worldwide citation)

A frequency divider for converting a standard frequency output from a crystal controlled oscillator to a lower frequency which is compatible with digital devices operating in a decimal mode. The oscillator output pulses and the complement thereof are fed to first and second AND gates which are respe ...