| Patent Number |
Title Of Patent |
Date Issued |
| 7458751 |
Active control releasable ballast system for use with dive equipment |
December 2, 2008 |
| An active control releasable ballast system for dive equipment is disclosed which in one embodiment includes a removable pocket that is secured with a side release buckle within a fixed pocket. The buckle is required to be opened before the weight contained in the pocket can be dropp |
| 4970671 |
Bias drift compensation in near infrared quantitative analysis instruments |
November 13, 1990 |
| The invention provides for the elimination of error due to bias shift in near infrared instrumentation having a plurality of near infrared sources. It accomplishes this by comparing subsequent Optical Density readings of a calibration standard for each near infrared source with stored ca |
| 4915827 |
Method and apparatus for optical sorting of materials using near infrared absorbtion criteria |
April 10, 1990 |
| Method and apparatus for sorting desired pieces of material from undesired material present in mixtures thereof. A piece of material from a mixture of pieces of desired and undesired materials is irradiated with a plurality of wavelengths of near-infrared radiation. The absorptions by |
| 4801804 |
Method and apparatus for near infrared reflectance measurement of non-homogeneous materials |
January 31, 1989 |
| A method and apparatus for near infrared reflectance measurement of non-homogeneous materials. Constituents of a material are quantitatively analyzed by reflectance techniques utilizing a planar surface of the material within a cup-shaped sample holder opaque to near-infrared radiati |
| 4761552 |
Standard for near-infrared reflectance measurement and method of making the same |
August 2, 1988 |
| A fixed stable standard for near-infrared reflectance measurement is provided by using a sample holder having an IR-quartz window and a measured amount of PTFE powder pressed directly thereagainst so that the PTFE powder has a fixed density providing a permanent reflectance standard |
| 4734584 |
Quantitative near-infrared measurement instrument for multiple measurements in both reflectance |
March 29, 1988 |
| A near-infrared quantitative measurement instrument allows measurement in either reflectance or transmission modes depending upon a sample holder which is loaded in a sample chamber. The instrument has means for detecting in both the reflectance mode and the transmission mode, and the |
| 4692620 |
Near infrared measuring instrument with sample holder |
September 8, 1987 |
| Near infrared instrument for measuring constituents such as moisture, protein and oil in materials has a movable sample holder of predetermined thickness depending upon the particular material being measured. The sample holder is moved past a source of near infrared radiation and det |
| 4633087 |
Near infrared apparatus for measurement of organic constituents of material |
December 30, 1986 |
| A non-destructive testing instrument useful for measuring of organic constituents of materials utilizes interactance of near infrared radiation from near infrared emitting diodes positioned at one end of a light transmitting cylinder having a length sufficient so that diode point sou |
| 4627008 |
Optical quantitative analysis using curvilinear interpolation |
December 2, 1986 |
| In the quantitative analysis of a sample by computing constituents from optical absorptivity data at different wavelengths, optical absorptivity data values for selected nominal wavelengths are obtained by curvilinear interpolation from measured optical absorptivity data values obtained |
| 4487278 |
Instrument for providing automatic measurement of test weight |
December 11, 1984 |
| An instrument for automatically and accurately determining the "test weight" of grain, utilizes a confined column having a constant cross sectional area with means for sequentially dumping a plurality of batches of grain from the column and weighing the batches as dumped, combined with |
| 4480706 |
Automatically determining the test weight per bushel of grain |
November 6, 1984 |
| An apparatus for automatically determining the test weight per bushel of grain utilizes the principal components of the standard approved test, namely a stoppered bottom hopper, a measured quart kettle and a stroker. The operation of the stoppered bottom and the stroker is automatic by |
| 4466076 |
Apparatus for near infrared quantitative analysis with temperature variation correction |
August 14, 1984 |
| A near infrared quantitative analysis instrument provides for correction of wide temperature variations in unground cereal grain sample and the ambient by providing thermistors to measure the temperature of the sample and the ambient and utilizing the measurements as additional variables |
| 4404642 |
Apparatus for near infrared quantitative analysis with temperature variation correction |
September 13, 1983 |
| A near infrared quantitative analysis instrument provides for correction of wide temperature variations in unground cereal grain sample by providing a thermistor to measure the temperature of the sample and utilizing this measurement as an additional variable in multiple regression equat |
| 4379233 |
Optical arrangement for quantitative analysis instrument utilizing pulsed radiation emitting dio |
April 5, 1983 |
| An instrument for quantitative analysis using a matrix of radiation emitting diodes has means for assuring that a sample receives substantially uniform radiation from each diode. In the preferred embodiment a lens is used to direct the radiation beams to a focal plane where there is |
| 4286327 |
Apparatus for near infrared quantitative analysis |
August 25, 1981 |
| An apparatus for near infrared quantitative analysis with an infrared emitting diode (IRED) source utilizes narrow bandpass filters and silicon detectors to provide highly accurate and inexpensive measurement. A narrow bandpass filter in the light path of the IRED passes wavelengths outs |
