Search
Now showing items 71-80 of 190
Hemisphere-belt floor system
(United States. Patent and Trademark Office, 1997-01-28)
A conveyor belt having raised hemispheres serves as the floor for caged production of poultry. The belt is preferably molded plastic and moves continuously at a speed undetectable by the birds, allowing complete removal ...
Method of manufacturing a micro-alloy high purity aluminum conductor for use at ultra low temperature
(United States. Patent and Trademark Office, 1998-03-31)
A method for manufacturing an aluminum alloy conductor for use at ultra low temperature which involves the steps of adding at least one of the metallic and semimetallic effective elements selected from the group consisting ...
Method for producing reflective taps in optical fibers and applications thereof
(United States. Patent and Trademark Office, 1990-05-08)
A method for producing reflectors in a continuous length of optical fiber is disclosed. The present process includes the steps of preparing the ends of two or more optical fibers, placing one or more of these fibers in a ...
Capactive power circuit
(United States. Patent and Trademark Office, 1998-12-22)
A circuit for controlling power to a capacitive load includes a DC power source coupled in series with an inductor and the capacitive load. The inductor provides for resonant charging of the capacitive load from the DC ...
Method and system for ride-through of an adjustable speed drive for voltage sags and short-term power interruption
(United States. Patent and Trademark Office, 1999-12-21)
In one embodiment of the present invention, a system for ride-through of an adjustable speed drive for voltage sags is provided. The system comprises an adjustable speed drive including a three phase electric utility, a ...
Lepidopteran AKH signal sequence
(United States. Patent and Trademark Office, 1991-06-11)
A baculovirus expression vector system is constructed wherein the natural signal DNA peptide sequence associated with the desired foreign gene, such as CD4 (T cell surface protein T4) is replaced by the signal DNA sequence ...
Nitrogen-containing aromatic heterocyclic ligand-metal complexes and their use for the activation of hydrogen peroxide and dioxygen in the reaction of organic compounds
(United States. Patent and Trademark Office, 1992-09-22)
Nitrogen-containing aromatic heterocyclic ligand-metal complexes and their use for the activation of hydrogen peroxide and dioxgen are disclosed. Processes whereby activated hydrogen peroxide or dioxygen are used to transform ...
Inverse dual converter for high-power applications
(United States. Patent and Trademark Office, 1993-05-04)
An inverse dual converter circuit (20) provides continuous voltage step-up or step-down control over a wide range and without the need of a transformer. The converter comprises an input DC voltage source (22) for generating ...
Use of bacterial luciferase structural genes for cloning and monitoring gene expression in microorganisms and for tagging and identification of genetically engineered organisms
(United States. Patent and Trademark Office, 1993-06-22)
A host microorganism is genetically and stably modified by the insertion into any of its non-essential chromosomal location of a non-homologous, recombinant foreign DNA fragment, maintaining an insertion of a luxAB gene ...
Precisely regulated expression of deleterious genes
(United States. Patent and Trademark Office, 1993-03-23)
The invention relates to an expression vector system based on the regulation of bacterial luminescence (the lux gene system). The invention further relates to the construction of a precisely regulatable expression vector ...