Celebrity Inventors
Actress Jamie Lee Curtis is a patented inventor - she created a diaper equipped with a premoistened baby wipe. And that's no act!
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 8186654 | Sieve tray for use in gas treatment towers A sieve tray is used in a gas treatment tower, wherein the tray openings are hexagonal in shape, enabling a higher open area in the tray while maintaining the tray structural integrity, thereby enabling use of the tray in higher velocity towers. ... | 05/29/2012 |
| 8167281 | Liquid distribution in a distillation apparatus A tray deck with a distillation column includes a sump suspended from the tray deck for receiving a liquid mixture from the tray deck, at least one vapor opening for rising vapor through the tray deck and at least one vapor baffle for receiving vapor passing through... | 05/01/2012 |
| 8128072 | Deflecting system for column trays A gas-liquid contact column tray has a section including a gas pathway (SAA) and a liquid pathway section (SD) delimited by at least one downspout, wherein a deflecting system including a roof is included, located above the liquid gas interface at the level of the l... | 03/06/2012 |
| 8074972 | Device for gas-liquid contacting One exemplary embodiment can be a device for a gas-liquid contacting apparatus. The gas-liquid contacting apparatus can include a member. The member can include: a non-breakable portion, and a breakable portion ada... | 12/13/2011 |
| 8070142 | Downcomer distributor A tray assembly is provided for improved gas/liquid contact when used in a large chemical process tower. Each tray has a downcomer wall of which the lower portion is a distributor. The distributor has discharge ports sized to control the rate of liquid flow at diffe... | 12/06/2011 |
| 8042790 | Vapour-liquid distribution device A liquid-vapor distribution device for use in two-phase stream concurrent down-flow vessels including: a plurality of BOXVLTs fabricated in form of self-supporting structures (beams) and tray panels when installed forms a tray whic... | 10/25/2011 |
| 7988134 | Transfer trays for mass transfer columns in offshore use The invention describes a mass transfer column with at least one transfer tray via which liquid is routed in essentially the horizontal direction and through which gas is routed in the vertical direction. The transfer tray is designed as a reverse flow tray and a fi... | 08/02/2011 |
| 7810796 | Dead zone activation in vapor-liquid contacting apparatus The invention involves a spacing element situated between a vapor-liquid contacting tray and a tray support to reduce the dead zone typically caused by the tray supports blocking of the perforations in the vapor-liquid contacting tray directly above the tray support... | 10/12/2010 |
| 7753348 | Gas-liquid contact apparatus A tray assembly is provided for improved gas/liquid contact when used in a large chemical process tower, resulting in better performance. Each tray assembly has two levels of tray decks and associated downcomers. Tray decks provide gas/liquid contact for mass transf... | 07/13/2010 |
| 7648128 | Gas-liquid contact apparatus An apparatus is provided for improved gas/liquid contact in a chemical process tower, resulting in better performance. The apparatus includes a tower having a series of tray decks and downcomers. Tray decks provide gas/liquid contact for mass transfer and the downco... | 01/19/2010 |
| 7552915 | Mass exchange column with exchange plates A column for mass exchange between a liquid and a gas includes at least one pair of adjacent exchange plates, formed by an upper exchange plate and a lower exchange plate. The column also includes a drain shaft for passing liquid between the upper exchange plate and... | 06/30/2009 |
| 7537201 | Thermal separating process A separating column containing a sequence of mass transfer trays that are supported by at least one covered double-T support and/or covered U-shaped support. ... | 05/26/2009 |
| 7510173 | Gas-liquid contacting tray A gas-liquid contacting tray suitable for horizontal mounting in a normally vertical column, which tray comprises a tray plate with substantially circular circumference and having top and bottom surfaces, which tray plate is provided with passages for gas between th... | 03/31/2009 |
| 7448602 | De-entrainment of liquid particles from gas A multi-tray distillation unit having a separator for de-entraining liquid particles. The separator comprises vertically spaced tiers of elongated, substantially horizontal open-topped liquid collector channels arrayed in parallel rows transversely to the flow of th... | 11/11/2008 |
| 7370846 | Parallel flow fractionation tray The invention comprises multiple configurations of downcomers in a parallel flow multiple downcomer tray for vapor-liquid contacting processes such as the separation of chemical compounds via fractional distillation or the removal of a component of a gas stream with... | 05/13/2008 |
| 7347413 | Tray column and method for mass transfer in a tray column A tray column is proposed which includes column trays, two or more supports which are arranged on the underside of the column trays and support them and a bearing ring for the column trays on the i... | 03/25/2008 |
| 7326323 | High capacity purification of thermally unstable compounds Separations processes and apparati capable of purifying thermally sensitive materials at high capacity. An apparatus having a rectification section and a stripping section with the stripping section having a stripping tray with 5 to 50% open area, a pressure drop fr... | 02/05/2008 |
| 7287745 | Liquid-continuous column distillation Bubble columns fractionate with vapor-liquid mass transfer efficiencies approaching that of distillation towers when vapor velocities in excess of 50% of jet flood are used. If the vapor velocities are pushed above about 70% of jet flood then the distillation perfor... | 10/30/2007 |
| 7282118 | Method for production of easily polymerizable substance and purification apparatus This invention resides in providing a method for the prevention of possible polymerization of the easily polymerizable substance during the purification thereof by a column provided with (a) at least one tray directly fixed to a support ring with a bolt and a nut an... | 10/16/2007 |
| 7276215 | Mixing device for two-phase concurrent vessels In a vertical reactor vessel through which vapor and liquid flow concurrently, the fluids pass vertically through a horizontal mixing box having internal flow baffles that form at least one mixing orifice through which the process stream flows at high velocity. In t... | 10/02/2007 |
| 7270315 | Exchange column, perforated tray assembly In, for example, a gas-liquid, liquid/liquid exchange column, perforated tray assemblies are provided which have a plurality of adjacent tray sections with slots adjacent rounded leading edges of the sections, and catches extending along trailing edges which interlo... | 09/18/2007 |
| 7270316 | Distillation column tray configuration A new tray configuration for a distillation column that utilizes the entire column cross section area as active tray area for vapor/liquid contact. The new tray configuration has no downcomers and utilizes a liquid/vapor seal pan(s) located in the vapor space of the... | 09/18/2007 |
| 7267330 | Split ring seal A split ring seal having a structured split formed with first and second overlapping leaves, movable between a compressed state and an expanded state, and having a first bore through the first leaf and a second bore through the second leaf such that, in the compress... | 09/11/2007 |
| 7234691 | Radial-crossflow distillation trays for divided wall column applications An assembly of trays in a divided wall column having an inner column wall, a dividing wall, and an interior space includes: a first tray having at least one radial downcomer adjacent the dividing wall and extending radially toward the inner column wall a first subst... | 06/26/2007 |
| 7234692 | Column tray A column tray assembly includes a tray having passages formed therein. The tray is a multifunction tray and is configured to receiving appropriate superstructures which can be selected according to the respective use of the assembly. Superstructures which communicat... | 06/26/2007 |
| 7232115 | Gas-liquid contacting tray A gas-liquid contacting tray equipped with downcomers having sidewalls with liquid outlet openings, which openings are provided with a liquid guiding device such as a lip or a spout. In one embodiment the contacting tray constitutes an upper tray having downcomer(s)... | 06/19/2007 |
| 7204437 | Waste pulping system In a waste pulping apparatus, an impeller assembly comprises a rotating blade for pulping solid waste to form a slurry, the rotating blade having an axis of rotation, a base and a plurality of ears that axially extend away from the base. The impeller assembly also i... | 04/17/2007 |
| 7204477 | Parallel flow fractionation tray The invention comprises multiple configurations of downcomers in a parallel flow multiple downcomer tray for vapor-liquid contacting processes such as the separation of chemical compounds via fractional distillation or the removal of a component of a gas stream with... | 04/17/2007 |
| 7161826 | Low-noise leakage-tolerant register file technique A memory circuit includes a word line, a data storage circuit including one or more memory cells or sub-cells, and an inverter coupled between the word line and the N memory cells. The inverter inverts a word-line signal input into a read port of the cells or sub-ce... | 01/09/2007 |
| 7137622 | De-entrainment of liquid particles from gas A multi-tray distillation unit having a separator for de-entraining liquid particles which are picked up by an upwardly flowing gaseous stream which is flowing countercurrent to a descending liquid flow in the unit. The separator which is placed above the contact pl... | 11/21/2006 |
| 7125005 | Contact tray having tray supported downcomers A plurality of fluid-fluid contact trays of the cross-flow type are provided for mounting within a shell of a mass transfer or heat exchange column. The trays include tray decks that may be supported on rings fixed to an inner surface of the shell and downcomers tha... | 10/24/2006 |
| 7125004 | Liquid distributor for use in mass transfer column A flow distributor for liquid descending in a vertically elongated process column having an internal space. The distributor is made up of an elongated liquid distribution trough configured and arranged for being mounted in a process column in a position to extend ac... | 10/24/2006 |
| 7118098 | Hydraulically sealed crossflow mass transfer tray A hydraulically sealed crossflow mass transfer tray, separating columns which contain the hydraulically sealed crossflow mass transfer tray and the use of such separating columns for thermal separating processes. ... | 10/10/2006 |
| 7118654 | Riser base A chimney tray for a column for thermal treatment of a liquid. The chimney tray includes a total take-off of liquid by a drain connection arranged at an edge of the chimney tray, and having one or more drain channels having a gradient in a direction of the drain con... | 10/10/2006 |
| 7091252 | Liquid-continuous column distillation Bubble columns fractionate with vapor-liquid mass transfer efficiencies approaching that of distillation towers when vapor velocities in excess of 50% of jet flood are used. If the vapor velocities are pushed above about 70% of jet flood then the distillation perfor... | 08/15/2006 |
| 7066988 | Segmented plate for assembly within a confined area having limited access A segmented plate adapted for assembly within a confined area or volume, and a method of assembly of the segmented plate. The plate, as assembled, has an exterior perimeter that includes exterior edge-boundaries of a plurality of generally rigid plate-sections, each... | 06/27/2006 |
| 7055810 | Expansion ring for mass transfer column and method employing same A mass transfer column (10) is provided with at least one vapor-liquid contact tray (12) that is disposed within the open internal region (14) defined by a shell (16) of the column (10). At least one expansion ring (26) unde... | 06/06/2006 |
| 7028995 | Vapor-liquid contact trays and method employing same A mass transfer column (20) is provided with an external shell defining an open internal region. Centrifugal contact trays (26) and return contact trays (28) are positioned in an alternating and vertically spaced apart relationship within the op... | 04/18/2006 |
| 7014177 | Process for effecting mass transfer between a liquid phase and a gaseous phase A process for effecting mass transfer between a liquid phase and a gaseous phase in a filled-type column having an external shell which accommodates at least one filler-containing basket wherethrough the phases are caused to flow in countercurrent relationship. The ... | 03/21/2006 |
| 6997445 | Method and device for introducing a liquid-vapor mixture into a radial feed cylindrical fractionating column A method and device for introducing a liquid-vapor mixture into a radial feed cylindrical fractionating column (1). The method includes separating the liquid-vapor mixture into two opposite and horizontal flows (6, 7), and directing the flows toward th... | 02/14/2006 |
