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Al-Qahtani
Abdullah M. Al-Qahtani, Dammam SA
| Patent application number | Description | Published |
|---|---|---|
| 20110226455 | Slotted impingement plates for heat exchangers - Impingement plates for shell and tube heat exchangers are positioned between the inlet openings and the tubes with the surfaces of the impingement plates being normal to the flow path of the liquid entering the shell from the inlet openings and having a plurality of openings through which a portion of the liquid passes before contacting the tubes. The openings can be formed as elongated parallel slots that are positioned parallel to the tubes and function to enhance the fluid flow, especially in the area that is immediately downstream from the impingement plates, thereby reducing fluid stagnation, fouling and tube erosion and prolonging the useful life and time in service between maintenance shut downs. | 09-22-2011 |
Ahmed H. Al-Qahtani, Irvine, CA US
| Patent application number | Description | Published |
|---|---|---|
| 20110300097 | Method And Composition For The Treatment Of Moderate To Severe Keratoconjunctivitis Sicca - The present invention relates to topical ophthalmic compositions for treating or preventing epithelial lesions or ophthalmic disorders, including dry eye or keratoconjunctivitis sicca. | 12-08-2011 |
Ali Salim Al-Qahtani, Dammam SA
| Patent application number | Description | Published |
|---|---|---|
| 20090107890 | Desulfurization of whole crude oil by solvent extraction and hydrotreating - A high sulfur content crude oil feedstream is treated by mixing one or more selected solvents with a sulfur-containing crude oil feedstream for a predetermined period of time, allowing the mixture to separate and form a sulfur-rich solvent-containing liquid phase and a crude oil phase of substantially lowered sulfur content, withdrawing the sulfur-rich stream and regenerating the solvent, hydrotreating the remaining sulfur-rich stream to remove or substantially reduce the sulfur-containing compounds to provide a hydrotreated low sulfur content stream, and mixing the hydrotreated stream with the separated crude oil phase to thereby provide a treated crude oil product stream of substantially reduced sulfur content and without significant volume loss. | 04-30-2009 |
Hussain M. Al-Qahtani, Dhahran SA
| Patent application number | Description | Published |
|---|---|---|
| 20120103069 | ACOUSTIC LEAK DETECTION SYSTEM AND METHOD WITH ENVIROMENTAL NOISE ISOLATION - The acoustic leak detection system with environmental noise isolation provides for the acoustic detection of leaks in a pipe while minimizing interference from external or environmental noise. The acoustic leak detection system includes a hollow shell adapted for positioning about the pipe to be inspected. A pair of gaskets are circumferentially secured to the inner surface of the hollow shell so that the pair of gaskets bear against the outer surface of the pipe to form an acoustically isolated region defined between the pipe, the pair of gaskets and the inner surface of the hollow shell. An acoustic sensor, microphone or the like is mounted on the hollow shell within the acoustically isolated region for detecting any acoustic signals; i.e., the sound produced by a leak in the pipe within the acoustically isolated region. Upon detection of a leak, an alert signal is generated. | 05-03-2012 |
Mushabeb Z. Al-Qahtani, Al-Jubail Industrial City SA
| Patent application number | Description | Published |
|---|---|---|
| 20090202395 | Pressure control system - The present invention relates to a pressure control system for maintaining the pressure differential between a reactor ( | 08-13-2009 |