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| Number | Title | Issue Date |
| 7364708 | Multi-catalyst injection system The invention is a multi-catalyst injection system. In one embodiment, the system comprises a vessel suitable for storing fluid cracking catalyst and having a separator defining at least two compartments within the vessel. A plenum is defined in the vessel and is fl... | 04/29/2008 |
| 7220291 | Filter housing assembly A filter housing assembly having a gas-tight seal and a method of replacing a filter are generally provided. In one embodiment, the filter housing assembly includes a housing having an opening adapted to receive a filter and an inlet. A seal member is coupled to the... | 05/22/2007 |
| 7210363 | Scan testable filter housing assembly for exhaust applications A filter housing assembly for exhaust applications and method of testing the same is provided. In one embodiment, the filter housing assembly includes a housing having a filter receiving aperture, a first air flow port configured to couple the housing to an exhaust ... | 05/01/2007 |
| 7201039 | Axial flow scan testable filter system A filter system having in-situ scan capabilities is provided. In one embodiment of the invention, the system includes a downstream probe which may be rotated to scan the field of a filter installed in the system. The probe may be utilized for leak detection, velocit... | 04/10/2007 |
| 7198115 | Lead alignment attachment A construction equipment attachment for driving an object, such as a timber piles, steel piles, pipe piles, steel sheet piles, h-beam and the like, is provided. In one embodiment, the attachment includes a hammer slidably coupled to a lead, a lead mounting assembly ... | 04/03/2007 |
| 7186286 | Filter housing assembly with leak testable aerosol injection port A filter housing assembly having a leak testable aerosol injection port is a conduit coupled to an aerosol injection selectively traps aerosol port of the filter housing assembly after disconnecting an aerosol generator used to challenge a filter installed in the ho... | 03/06/2007 |
| 7050944 | FCC catalyst injection system having local data access A system and method for injecting catalyst into a fluid catalyst cracking (FCC) unit is provided. In one embodiment, a system for injecting catalyst into a FCC unit includes a catalyst injection apparatus coupled to a controller. The controller is housed in an enclo... | 05/23/2006 |
| 7004989 | Filter assembly with compressed media edge seal Embodiments of a filter assembly and method of fabricating the same are provided. In one embodiment, a filter assembly includes a filter media pack disposed in a frame assembly. A first seal biases the filter media pack against a second seal along at least one edge ... | 02/28/2006 |
