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| Number | Title | Issue Date |
| 7354191 | Mortar mixer and trunnion assembly A mortar mixer includes a substantially cylindrical drum having end plates supporting trunnion assemblies, with housings, having an interior space defined by an interior surface around the paddle shaft. A first seal is located adjacent the end plate and is positione... | 04/08/2008 |
| 6788836 | Multi-level waveguide A multi-level waveguide to transmit light through a series of substrates. The multi-level waveguide is made up of stacked substrates, each containing a two dimensional array of transparent material filled vias. Transparent materials such as optical fiber, cladding, ... | 09/07/2004 |
| 6274875 | Fluid bearing vacuum seal assembly A fluid bearing vacuum seal assembly comprises an annular stator with first and second opposed surfaces, at least part of the first surface defining a first bearing surface. The stator also defines an aperture having a wall extending between the first and... | 08/14/2001 |
| 6271530 | Apparatus for reducing distortion in fluid bearing surfaces A fluid bearing and seal for an ion implanter is disclosed. The fluid bearing has a stator attached to a base and a moving member provided over the stator so that a fluid bearing can be formed between the opposing surfaces of the stator and the moving mem... | 08/07/2001 |
| 6129533 | Sealing system for rotating component of a pump The invention relates to a fluid-conveying machine, in particular, a pump having a component rotating in a stationary housing part inside an annular gap. The stationary housing part separates an interior having a higher product pressure from an exterior h... | 10/10/2000 |
| 4783179 | Sealing device for rotary fluid machine The present invention is directed to a sealing device for a rotary fluid machine having bearings which are disposed at opposite end portions in a shaft chamber and support a shaft, the sealing device being characterized by comprising a fluid seal of a flu... | 11/08/1988 |
| 4739997 | Pressurized bearing seal assembly A pressurized bearing seal which uses pressurized air (1) to expand a sealing member which surrounds a shaft supported by the bearing to create a seal between the shaft and bearing, and (2) for an air purge from the bearing along the shaft to prevent inta... | 04/26/1988 |
| 4279452 | Bearing assembly A bearing assembly for use in fluid pumps having a pump housing through which a pump drive shaft is extended for rotation about an axis of rotation, the bearing assembly including a pair of sleeves dimensioned to be fitted within the pump housing substant... | 07/21/1981 |
| 4249459 | Fluid coupling for a rotary chuck Journalled in a peripheral groove in an operationally turning chuck body is a non-turning fluid coupling ring of which opposite side faces confront opposite side walls of the groove. Leading from annular ports in the groove walls are fluid passages which ... | 02/10/1981 |
| 4152032 | Pressure-fed journal bearing A pressure-fed journal bearing for a steam turbine is shown having a generally tangentially oriented oil inlet discharging at the horizontal centerline of the supported shaft to utilize the pressure head of the oil and retain laminar flow in the direction... | 05/01/1979 |
