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 |
| 8161851 | Composite trimming process A method and device for trimming components may include mounting a component in a fixture and providing a cutting tool having a cutting portion, wherein the cutting tool is displaceable in at least three axes relative to the fixture. Gas may be supplied through a su... | 04/24/2012 |
| 8118117 | Thrust bearing assembly A thrust bearing assembly comprising a bearing runner and a bearing carrier, the carrier defining thrust pad sites annularly around the carrier, with a thrust pad disposed at a site and with the carrier limiting movement of the thrust pad in a direction generally ra... | 02/21/2012 |
| 8071008 | Composite forming technology A system, machine and method of forming a composite structure. The composite may be placed between a first mold half and a second mold half and heated at a first temperature, T1, and held at a first pressure, P1, wherein the first pressure is a... | 12/06/2011 |
| 8016052 | Thrust bearing assembly A thrust bearing assembly comprising a rotating bearing runner and a stationary bearing carrier, the carrier defining a plurality of thrust pad sites annularly around the carrier, with a thrust pad disposed at a site and with the carrier constraining movement of the... | 09/13/2011 |
| 7989380 | High resistivity SiC material with B, N and O as the only additions A dense silicon carbide (SiC) material with boron (B), nitrogen (N) and oxygen (O) as the only additives and with excellent insulting performance (electrical volume resistivity greater than 1×108 Ω·cm). The SiC ceramic material, made from a powder mix ... | 08/02/2011 |
| 7964296 | High-volume, fully dense silicon nitride monolith and method of making by simultaneously joining and hot pressing a plurality of RBSN parts High-volume, fully dense, multi-component monoliths with microstructurally indistinguishable joints that can be used as refractory, corrosion and wear resistant components in the non-ferrous metal industry. The Si3N4 monoliths according to the ... | 06/21/2011 |
| 7789010 | Adjustable louvered armor window system The adjustable louvered armor window system invention comprises angled louvers made of the lightweight opaque armor. For the front window a viewing window of ballistic glass can be installed, the rear or sides could be solid armor. The louvers have overlaps to provi... | 09/07/2010 |
| 7763205 | Continuous process for fabricating reaction bonded silicon nitride articles Method of fabricating RBSN parts in which the processing of compacts of silicon to produce reaction bonded silicon nitride products is accomplished in a continuous style furnace. The furnace of the preferred embodiment is arranged as a contiguous series of furnace s... | 07/27/2010 |
| 7712550 | Thrust bearing assembly A thrust bearing assembly comprising a rotating bearing runner and a stationary bearing carrier, the carrier defining a plurality of thrust pad sites annularly around the carrier, with a thrust pad disposed at a site and with the carrier constraining movement of the... | 05/11/2010 |
| 7665954 | Hydrodynamic bearing runner for use in tilting pad thrust bearing assemblies for electric submersible pumps An electrical submersible pump runner having a core layer and a wear layer affixed to the core layer. One embodiment of the invention provides an electrical submersible pump that includes a motor section and a centrifugal pump section. A seal section and rotary gas ... | 02/23/2010 |
| 7309672 | Lightweight boron carbide materials with improved mechanical properties and process for their manufacture This disclosure describes sintered bodies comprising about 90 wt % to about 99 wt % of boron carbide, having a B:C atomic ratio ranging from 3.8 to 4.5:1; 0 to 1 wt % free carbon; 0 to 1 wt % BN or AlN, remainder an oxide binder phase; said sintered body having a un... | 12/18/2007 |
| 7163434 | Method and apparatus for generating complex shapes on cylindrical surfaces A method and apparatus for shaping the radial surface of a roller or other cylindrically shaped part in a single cycle. The preferred embodiment forms a crown geometry on one roller at a time using a CNC system to control a grinding surface in three axes. The grindi... | 01/16/2007 |
