Did You Know...
...Daniel Webster invented a "bull plow" to pull out tree stumps. It didn't catch on because it was huge and required four oxen to pull it!
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| Number | Title | Issue Date |
| 6552243 | Catalyst and process for aromatic hydrocarbons production from methane A molybdenum-loaded crystalline aluminosilicate molecular sieve that exhibits the MFI crystal structure and has a silica-to-alumina ratio of about 50:1 is useful for aromatizing a hydrocarbon feed stream. The crystalline aluminosilicate preferably has an ... | 04/22/2003 |
| 6489371 | Fischer-Tropsch processes and catalysts with promoters A process is disclosed for producing hydrocarbons. The process involves contacting a feed stream comprising hydrogen and carbon monoxide with a catalyst in a reaction zone maintained at conversion-promoting conditions effective to produce an effluent stre... | 12/03/2002 |
| 6483902 | System and method for retrofitting existing building telecommunications infrastructures An improved system and method for retrofitting telecommunications infrastructures of existing buildings with new telecommunications services. The present invention allows new telecommunications services to be provided over existing telephone lines with re... | 11/19/2002 |
| 6476085 | Fischer-Tropsch processes using catalysts on mesoporous supports This invention provides a process for producing hydrocarbons. The process involves contacting a feed stream comprising hydrogen and carbon monoxide with a catalyst in a reaction zone maintained at conversion-promoting conditions effective to produce an ef... | 11/05/2002 |
| 6461539 | Metal carbide catalysts and process for producing synthesis gas Mixed metal carbide catalysts that are active for catalyzing the net partial oxidation of methane to CO and H2 are disclosed, along with their method of making. The preferred catalysts of the invention comprise a mixture of at least two carbide... | 10/08/2002 |
| 6429867 | System and method for generating and playback of three-dimensional movies A system and method for generating and playing back three-dimensional (3D) movies are disclosed. The system is capable of partially rendering frames without relying upon exact viewpoint information. The partially rendered frames may be rendered to the ext... | 08/06/2002 |
| 6426970 | Bi-directional signal coupler method and apparatus A bi-directional signal coupler is incorporated into a transmission/reception communication system and is used for the transmission and reception of signals over a single transmission medium. The bi-directional signal coupler includes a primary nulling de... | 07/30/2002 |
| 6426755 | Graphics system using sample tags for blur A graphics system and method for performing blur effects, including motion blur and depth of field effects, are disclosed. In one embodiment the system comprises a graphics processor, a sample buffer, and a sample-to-pixel calculation unit. The graphics p... | 07/30/2002 |
| 6425115 | Area efficient delay circuits The present invention provides a library of cells that can be stored in a computer readable memory and used in the computer-aided design of integrated circuits. Some of the cells in this cell library describe circuits having variable delays. In this cell ... | 07/23/2002 |
| 6421393 | Technique to transfer multiple data streams over a wire or wireless medium A method and system for combining multiple individual asynchronous data streams for simultaneous transmission in the analog domain via a single conductor or wireless transmission medium. In one embodiment, a carrier signal is modulated and demodulated on ... | 07/16/2002 |
| 6417861 | Graphics system with programmable sample positions A method and computer graphics system for rendering images using programmable sample positions is disclosed. In one embodiment, the computer graphics system may comprise a graphics processor, a sample buffer, and a sample-to-pixel calculation unit. The gr... | 07/09/2002 |
| 6418443 | Hot spot analysis of IMS databases A method and system for analyzing the physical characteristics of database records, such as in IMS databases. The information obtained during this analysis may then be used to perform a more efficient reorganization or restructuring of the database. In on... | 07/09/2002 |
| 6385666 | Computer system having remotely located I/O devices where signals are encoded at the computer system through two encoders and decoded at I/O devices through two decoders A system comprise a computing system and a human interface located remotely from the computing system. The human interface may comprise a display device and an input/output ("I/O") device. The system may include a first interface device coupled to the com... | 05/07/2002 |
| 6373485 | Mitigating the effects of object approximations A system for determining nearest leaf bounds per leaf cone of a cone hierarchy based on a dual-tree search of the cone hierarchy and a bound hierarchy. A processor, performing the dual-tree search, maintains for each leaf cone a collection of nearest leaf... | 04/16/2002 |
| 6343217 | Digital cordless telephony with PCM coding A digital cordless telephone system using lossless pulse code modulation (PCM) for encoding an audio signal. By using an efficiently implemented and uncompressed encoding scheme, the system substantially reduces implementation costs and improves the quali... | 01/29/2002 |
| 6289353 | Intelligent query system for automatically indexing in a database and automatically categorizing users An intelligent Query Engine (IQE) system automatically develops multiple information spaces in which different types of real-world objects (e.g., documents, users, products) can be represented. Machine learning techniques are used to facilitate automated ... | 09/11/2001 |
| 6266797 | Data transfer network on a computer chip using a re-configurable path multiple ring topology A computer chip including a data transfer network. The data transfer network comprises a plurality of communication ports and a plurality of modules. Each of the communication ports is directly connected to two or more other communication ports, and each ... | 07/24/2001 |
| 6218931 | Home-appliance network with nodes identified by direct-sequence spreading codes Described herein is a network interface for coupling residential appliances into a code-division multiple access (CDMA) network. The network is used to convey appliance control signals and appliance status signals. The network interface includes a transmi... | 04/17/2001 |
| 6080193 | Adjustable height fusion device Method and apparatus for promoting a spinal fusion between neighboring vertebrae. The apparatus may be located in an intervertebral disc space and the apparatus preferably includes a pair of engaging plates for contacting the vertebrae. An alignment devic... | 06/27/2000 |
| 6071326 | Process for the production of naphtha gas from landfill gas The production of naphtha gas from landfill gas is preferably accomplished through a gas purification step, a catalytic conversion of methane gas to hydrogen gas, and a blending step in which various process streams are blended to produce the naphtha gas ... | 06/06/2000 |
| 5973031 | Buoyancy material A buoyancy material comprising: i. a matrix obtainable by reacting a dispersion of polyester precursor in water with a catalyst; and ii. at least one density reducing agent selected from the group consisting of gas bubbles, microspheres and macrospheres disper... | 10/26/1999 |
| 5552039 | Turbulent flow cold-wall reactor A high pressure and high temperature reactor, especially operating under supercritical water conditions combined with corrosive atmosphere. The reactor comprises a reaction chamber and a pressure vessel, which surrounds the reaction chamber. It has high i... | 09/03/1996 |
