Quotables
"For a list of all the ways technology has failed to improve the quality of life, please press three."
Alice Kahn
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 |
| 7261818 | Method for the fabrication of a pleated filter A filter is made by the folding of a filter media to pleats after the application of strings of glue thereon and the glue serves as distance elements and fixing for the filter media. The glue contains an expandable filler, that when heated expands to a larger size t... | 08/28/2007 |
| 7014690 | Expandable desiccant element An expandable desiccant element for removal of moisture from an air stream. Such expandable desiccant element includes at least one first expandable containment section capable of expanding a first predetermined amount, at least one second expandable containment sec... | 03/21/2006 |
| 7005001 | X-spring volume compensation for automotive carbon canister A fuel vapor storage canister is provided. The canister includes a vapor storage chamber of variable volume, a partition, vapor adsorbing material, and a volume compensator. The partition is movable within the canister and partially defines the vapor storage chamber... | 02/28/2006 |
| 6955715 | Water-based air filter system A water-based air filter system for recycling and cleaning the air found in industrial plants, in particular. The water-based air filter system includes a support base; and also includes a tank being disposed in the support base and being at least partially-filled w... | 10/18/2005 |
| 6328778 | Filter apparatus The invention provides a filter apparatus for removing air entrained particles comprising a collapsible filter media. The filter media has a periphery. A continuous frame extends around and attaches to the periphery of the filter media whereby the filter ... | 12/11/2001 |
| 5744036 | Pleated filter arrangement A pleated filter medium arrangement including a sheet of pleated porous filtering media nestingly engaged between adjacent pleats by a pleated sheet of thermobondable plastic screening with preselected facing opposite portions of the screening being heat ... | 04/28/1998 |
| 5620507 | Canister for containing a bed of particles A canister for containing a bed of particles, for example sorbent particles, which includes a loading device for applying a predetermined compressive load to the bed of particles and an adjusting device for automatically adjusting the loading device to ma... | 04/15/1997 |
| 5619989 | Respirator filter A respirator filter with a pot-shaped filter housing, with a flange at the edge of the filter housing, with a flow channel passing through the filter housing with a sealing surface, with a housing cover and with a filter element located in the filter hous... | 04/15/1997 |
| 5318704 | Apparatus for filtering and coalescing liquids An apparatus for removing contaminants from a liquid comprises a casing and a tubular filter dividing the casing into two compartments. The tubular filter is formed of fibers attached at each end to end supports which are movable axially relative to one a... | 06/07/1994 |
| 5290447 | Block-shaped pleated filter insert A filter insert having a block-shaped configuration comprises a planar material that is permeable to a medium and is arranged as a plurality of pleats having pleat walls. Each pleat wall has opposing first and second edges. The pleat walls are arranged in... | 03/01/1994 |
| 5232479 | Adsorber comprising annular superposed beds of adsorbent materials The adsorber of the type comprising annular superposed beds, contains in its upper zone, a device to maintain and compress the upper bed, a flexible impervious membrane which separates the lower bed from the upper bed in its intermediate zone, and a cylin... | 08/03/1993 |
| 5211025 | Slug surge suppressor for refrigeration and air conditioning systems A refrigeration and defrost system utilizing various valves for opening a defrost line to hot gas and regulating the pressure in refrigerant lines. A slug surge suppressor is provided at several points in the defrost and refrigerant lines to alleviate hyd... | 05/18/1993 |
| 5205849 | Air filter having a low internal pressure drop Disposable air filter includes a filter element formed from a stacked plurality of annular disks. The disks are formed from a sorptive material and expand upon absorption of oil or water droplets. The disks are slightly compressed by a movable baffle. The... | 04/27/1993 |
| 5176721 | Adsorber and process for the separation by adsorption An adsorber having an upright longitudinal extent includes two perforated parallel panels extending within the vessel formed therein and spaced apart defining an adsorbent mass chamber. The adsorbent mass is in two longitudinal parts having a first part o... | 01/05/1993 |
| 5143847 | Enzyme-fixed bioreactor An enzyme-fixed bioreactor, including a reaction column, enzyme-fixed catalyst particles uniformly and densely filled in the reaction column, the catalyst particles being composed of carrier sepiolite particles consisting essentially of sepiolite and an e... | 09/01/1992 |
| 5122172 | Vapor canister with carbon loading maintenance A vapor storage canister has an improved carbon bed loading pressure maintenance mechanism. A pressure plate is driven up indirectly, through a threaded shaft turned by a radially wound spiral spring, rather than by an axially compressed helical spring. T... | 06/16/1992 |
| 5118331 | Gas treatment or separation apparatus A gas treatment or separation apparatus includes a vessel (2) containing a bed (18) of particulate material. Within the bed (18) there is located a plurality of distensible hollow members (30) each capable of being placed in communication with a source of... | 06/02/1992 |
| 5102541 | Supporting tube construction for filter modules To simplify the assembly of filter modules 10, the supporting tube 1 which carries the filter cells 9 is constituted in two pieces. Both the upper tube piece 4 and the lower tube piece 5 contain locking elements 7 which are received in correspondingly lar... | 04/07/1992 |
| 5071555 | Filter folded in a zig-zag configuration An air filter comprising a sheet of filter material folded in a zig-zag configuration. A hardenable material is dispensed in a flowable state onto the sheet. The hardenable material has a varying thickness such that upon hardening, it holds the folds of t... | 12/10/1991 |
| 5043068 | Tubular filter element with axially yieldable section A filter cartridge has a support structure consisting of at least one tube provided with openings over its entire length and having at least one axially yieldable annular zone to permit axial movement to compensate for axial stresses and prevent damage to... | 08/27/1991 |
| 5006242 | Mechanically secured wool filter cartridge There is disclosed a fluid filtration element having a porous core cylinder, a sectionally thick filtration cylinder fitted around the core cylinder, and end plates secured to the end surfaces of filtration cylinder. Highly densified portions are formed a... | 04/09/1991 |
| 4997465 | Anti-fluidization system for molecular sieve beds A valve assembly (B) cycles compressed gas from a compressor (A) to a pair of molecular sieve beds (C) to perform a pressure swing adsorption gas separation cycle. Each bed includes a peripheral outer wall (20) and has a tubular member (30) extending down... | 03/05/1991 |
| 4976934 | Nested, recirculating-fiber filter A recirculating fiber filter (1) and method is provided for removing particulates from moving fluid streams. High aspect ratio fibers (2) are used which readily nest with each other to form the high voidage fiber filter bed. In the method, fibers are cont... | 12/11/1990 |
| 4971688 | Apparatus for separating at least two elements contained in a liquid or gaseous fluid by means of an absorbent filtering material The apparatus relates to separation apparatus (1) for separating at least two elements contained in a liquid or gaseous fluid, the apparatus including a separation chamber (60) of adjustable height delimited by a piston (30) slidably mounted in a piston c... | 11/20/1990 |
| 4891051 | System for decontaminating compressed gas A system for decontaminating compressed gas having twin particulate desiccant-containing towers and a two-stage coalescer-containing precoalescer upstream of and connected to the towers by an inlet manifold, each tower having a pneumatically actuated inle... | 01/02/1990 |
| 4867770 | Filter cartridge A filter cartridge incorporates a layer of granular material (4d) for adsorbing gases and/or vapors retained in position by porous retaining elements (4e, 4f, 4g). The cartridge includes a housing (2) and a closure element (3) for closing the housing. The... | 09/19/1989 |
| 4826510 | Portable low profile DC oxygen concentrator A portable PSA device having a combination of features including a demand device to thereby limit the necessary size of the PSA unit itself; an improved spring loaded bed to permit horizontal use, and an arrangement of parts overall to produce a low profi... | 05/02/1989 |
| 4816047 | Gas drying apparatus In an adaptation of an air dryer assembly for removing moisture from a stream of compressed air a container comprising a first part 15 and a second part 7 with a separable annular seal 17 and the adaptation including passageways for directing flow of comp... | 03/28/1989 |
| 4795616 | Catalytic converter monolithic substrate retention A monolithic catalytic converter has a two-piece slip pin that extends through a monolithic substrate and is connected at its opposite ends to the housing so as to retain the substrate therein while freely allowing differential thermal expansion between t... | 01/03/1989 |
| 4770678 | Contaminant removal from fluids Apparatus to remove moisture from a natural gas stream includes: (a) a conduit for a stream of fluid, the stream containing impurities, such as H2 O and H2 S, (b) and a filter assembly in communication with the conduit for passing the str... | 09/13/1988 |
| 4766872 | Canister for capturing evaporated fuel The invention relates to a horizontally mounted canister having a evaporated fuel supply port and a purge port provided on one side of an absorber chamber therein, an atmospheric air port provided on the other side thereof, a movable tray pushing one side... | 08/30/1988 |
| 4758255 | Canister for adsorbing fuel vapors A canister for absorbing fuel vapors includes a vapor-absorbing adsorbent layer contained in a cylindrical, laterally-mounted casing, an intake port and a purge port which are provided at one side of the adsorbent material layer, an air port provided at t... | 07/19/1988 |
| 4737170 | Molecular sieve bed containers A molecular sieve bed container provides a plurality of molecular sieve bed chambers. The chambers are formed by tubular wall members concentrically located within a tubular outer housing and are closed at their ends by end closure members. One end closur... | 04/12/1988 |
| 4364753 | Apparatus for the adsorptive cleaning of gases An apparatus for the adsorptive cleaning of gases comprises a rigid hermetically sealed housing provided internally with an inner vessel connected with the outer housing by a fluid carrying duct which is yieldable along the axis of the inner housing. The ... | 12/21/1982 |
| 4363156 | Vacuum cleaner dust container having compressing means associated therewith A vacuum cleaner having an air non-pervious body in the shape of a closed bellows in the suction chamber thereof with one end of the bellows bearing against the dust container, and the other end bearing against a partition separating the suction chamber f... | 12/14/1982 |
| 4336042 | Canister-compactor assembly A canister-compactor assembly insertible as a unit in a housing of a compressed gas filter, the assembly including a canister loadable with a particulate desiccant and a pneumatic compactor mounted in an outlet end of the canister and chargeable with comp... | 06/22/1982 |
| 4290785 | Dust collector and method of operation An upwash, upflow or downflow, graded sand bed dust collector has a reusable imperforate or slightly porous diaphragm on the top of the graded filter media and an inlet for pressurized gas above the diaphragm for inflating the diaphragm against the media ... | 09/22/1981 |
| 4261715 | Desiccant canister assembly A canister assembly for containing a particulate desiccant in a housing of a compressed gas filter assembly having for the feed end of a canister a resiliently compressible closure formed of normally spring-spaced inner and outer parts connected for limit... | 04/14/1981 |
| 4131442 | Pneumatic compactor for particulate desiccant In a compressed gas filter unit including a housing and, for selective filtering, a particulate desiccant packed in a canister removably seatable from below in a central bore of the housing, a pneumatic compactor automatically charged in any filtering cyc... | 12/26/1978 |
| 4049404 | Ventilation system with thermal energy recovery A high performance ventilation system with means for recovering a high percentage of sensible and latent thermal energy from the exhausted air for return via the supply air. Two matrices of thermally absorbent, expanded honeycomb material are respectively... | 09/20/1977 |
