Amber C Davidson
Dietitian and Nutritionist in Salt Lake City, UT

4103519, Aug 1, 1978

Mar 18, 1977

5/779189

Amber Charles Davidson - Salt Lake City UT

D06F 1900, B08B 312

68 3SS

A cleaning head is adapted to rest on and be moved over the material to be cleaned. The cleaning head has a central chamber, open at its bottom, and at least one relatively narrow chamber, open at its bottom, peripherally surrounding the central chamber. Ultrasonic transducer means are provided in the central chamber and means are provided for supplying a cleaning solution to the central chamber and for maintaining the level of the solution in the chamber such that at least a portion of the transducer means is immersed in the solution so that vibrations of the transducer means are imparted to the solution. Means are provided for adjusting, i. e. controlling, the pressure of the cleaning solution in the central chamber and the pressure in the at least one peripheral chamber to substantially eliminate the flow of air into the solution in the central chamber and to prevent escape of substantial amounts of solution from the cleaning head.

5163323, Nov 17, 1992

Jan 18, 1990

7/466757

Amber Davidson - Salt Lake City UT

Ezra C. Lundahl, Inc. - Logan UT

G01F 2328, G01S 1502

73290V

A non-contact type ultrasonic distance measuring device that includes a micro processor for controlling operation of a transducer that functions as both a sonic transmitter and receiver. Micro processor programming provides a control scheme whereby an operator can program different modes of operation into the instrument by depressing buttons arranged on a rear display panel of the instrument. Mode programming is accomplished in a manner similar to setting a digital watch, with the modes displayed in a display window. The mode programming and component operation provide a gate scheme where gate control is provided through application of gain control through three (3) amplifiers, one of which is a fourth order bandpass filter that is operated by the micro processor to provide a controlled increase in gain or "Q" as the elapsed time from a transmission becomes greater. The program self-adjusts during operation to sense the distances to close targets and to targets as far away as seventy (70) feet and can provide an accurate identification of a target through clutter as may exist in some instrument applications. Pulsing control is also provided for in the mode programming, whereby, after a single pulse is sent, the instrument will not send a next pulse until the expiration of a set time period.

4484643, Nov 27, 1984

Jun 27, 1983

6/507862

Anil Mahyera - Salt Lake City UT
Carel J. H. Brest Van Kempen - Salt Lake City UT
Robert M. Sweet - Riverton UT
Amber C. Davidson - Salt Lake City UT

Methane Drainage Ventures - Placentia CA

E21B 2106

175206

A gas-liquid-solids separation system for use with a drilling device includes a surge tank for holding drilling efflux comprising gas, liquid and solids, and adapted for mounting on a drilling device in a position for having a drill shaft extending therethrough. A stuffing box attached to a back side of the surge tank means and configured for enabling passage of the drill shaft therethrough prevents the drilling efflux from escaping the surge tank. A flange attached to the front side of the surge tank and aligned with the stuffing box for allowing passage of the drill shaft therethrough provides a seal between the surge tank and a borehole casing to enable the drilling efflux to flow into the surge tank means. An agitator disposed within the surge tank maintains suspension of the solids within the liquid, and a gas cyclone in fluid communication with the surge tank withdraws gas from the surge tank and separates any entrained liquid therefrom. The liquid and solids suspended therein are transferred to a slurry cyclone for separation and thereafter the liquid is stored in a tank for subsequent reuse as a cutting fluid.

5062088, Oct 29, 1991

Oct 9, 1990

7/594581

Amber C. Davidson - Salt Lake City UT
Ernie Vandenwijngaert - Logan UT

Lundahl Instruments, Inc. - Logan UT

G01S 380

367127

Apparatus for sensing distances between two objects by using multiple pulses from the detector and from the object to be detected by using a transmitter and not using any reflected waves the reliability and the ability to reject clutter is improved. The periods between transmission are accurately controlled so that there is no signal returned until the object to be detected generates such a signal. As a result it is possible to accurately measure the distance between two objects and indeed the system may be used between two objects when both are in motion.