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Now showing items 11-20 of 754
Optical data transmission apparatus and method
(United States. Patent and Trademark Office, 2004-05-25)
In a system for transmitting intensity modulated light waves (20) over an optical fiber (18), an optical data transmission apparatus (10) includes a cw laser (12) conformed to emit light at substantially a single frequency. ...
Methods for the dynamic shut-in of a subsea mudlift drilling system
(United States. Patent and Trademark Office, 2002-05-28)
A method for a dynamic shut-in of a subsea mudlift drilling system. The method comprises detecting a kick, isolating a wellbore, and adjusting a subsea mudlift pump and a surface mud pump to provide a selected wellbore ...
Process for recovering low-boiling acids
(United States. Patent and Trademark Office, 2002-05-28)
The invention provides a method for recovering low-boiling acids from a concentrated solution of the calcium salt of the acid by treating the concentrated solution of calcium salts of the low-boiling acids with a high ...
Gerotor apparatus for a quasi-isothermal brayton cycle engine
(United States. Patent and Trademark Office, 2006-03-07)
According to one embodiment of the invention, a gerotor apparatus includes an outer gerotor having an outer gerotor chamber, an inner gerotor, at least a portion of which is disposed within the outer gerotor chamber, and ...
Flow fields for fuel cells
(United States. Patent and Trademark Office, 2006-02-28)
An improved proton exchange membrane fuel cell assembly and fuel cell stack assembly are provided for the economical and efficient production of electricity. The present invention comprises improved flow fields, which ...
Isolation of proteins involved in posttranscriptional gene silencing and methods of use
(United States. Patent and Trademark Office, 2006-02-21)
The present invention includes a method for detecting and isolating sugarcane proteins that interact with the HC-Pro and P1 proteins of SrMV and other proteins involved in gene silencing, particularly in sugarcane. The ...
Method for electrophoretic separations using dynamically generated opposite mobilities
(United States. Patent and Trademark Office, 2006-05-30)
Method and materials to carry out preparative-scale electrophoretic separations based on the principle of dynamically created non-co-directional effective electrophoretic mobilities are disclosed. The primary application ...
Quantifying gene relatedness via nonlinear prediction of gene
(United States. Patent and Trademark Office, 2006-02-21)
Relatedness between genes is quantified by constructing nonlinear models predicting gene expression. Effectiveness of the model is evaluated to provide a measurement of the relatedness of genes associated with the model. ...
Unitized MEA assemblies and methods for making same
(United States. Patent and Trademark Office, 2006-02-21)
The present invention comprises a unitized MEA assembly for use in a fuel cell or a fuel cell stack assembly. In the embodiments of the invention, the MEA is made integral to the frame to reduce certain risks and disadvantages ...
Unipolar drive topology for permanent magnet brushless DC motors and switched reluctance motors
(United States. Patent and Trademark Office, 2006-05-23)
A unipolar drive includes a booster, an energy storage module, and a unipolar inverter. The booster increase a voltage received from a power supply to produce an energy output. The energy storage module store at least some ...