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5195922 |
Environmental control system
An environmental control system including a modular isolation chamber wherein the work pieces and processing or other machinery are isolated from the remainder of the rooms in which they are...
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5188136 |
Cleaning device
A cleaning device in the present invention comprises cleaning chambers each for cleaning subjects to be cleaned, transport units for transporting the subjects, transport chambers each having one of...
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5181883 |
Smoker's booth
A smoker's booth for isolating, containing, venting, and filtering tobacco smoke. The booth has a walled enclosure with a smoker's access aperture. The presence of a smoker is detected, thereby...
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5167572 |
Air curtain fume cabinet and method
An air curtain fume cabinet, in which an air curtain jet is directed across the face opening to an exhaust duct. Sufficient flow is exhausted at the exhaust duct to swallow (i) the entire air...
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5145459 |
Process and apparatus for the dynamic separation of two zones
In order to ensure a bidirectional dynamic separtion between two zones (10,12), between said zones is formed a gas curtain constituted by three juxtaposed gas streams or jets (28,30,32). The...
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5113749 |
Air curtain producing an outward ramping effect for use with an access way or enclosure
An apparatus for producing an air curtain comprising a central opening bounded by a frame on the top, bottom, and sides which defines internal channels which fluidly communicate with one another....
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5083558 |
Mobile surgical compartment with micro filtered laminar air flow
Surgical procedures are conducted in a protected environment wherein a laminar flow of micro filtered air is passed from a top to a bottom of an enclosure with transparent panels defining a space...
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5065668 |
Air circulation system
An apparatus for use with a multi-station workspacae including a predetermined number of core walls which define an enclosed core. The core walls include an inlet at or below a predetermined...
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5056422 |
Fume hood apparatus
A fume hood includes an elongate tubular frame member which defines an elongate chamber, an inlet to the chamber, and an outlet from it. It also includes partitions secured to the frame member....
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5017197 |
Glove bag and method of use
A sealed glove bag for containing and disposed of asbestos particles released during work on a pipe section is continuously ventilated by negative pressure applied at an exhaust port. An inlet port...
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4996910 |
Sterile air trolley
A sterile zone is provided above a horizontal working surface of a mobile casing by provision of an upstanding top section fitment having perforated walling. A fan inside the casing draws air in...
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4989506 |
Charcoal filter system for a trash compactor
A charcoal filter system for a trash comparator includes a charcoal filter snap-fit to a first face of a mounting cover and a fan snap-fit to a second, opposite face of a mounting cover. The filter...
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4986715 |
Stock unit for storing carriers
A stock unit for carriers includes a stocker having shelves, for storing carriers containing semiconductor wafers, a mounting port on which the carriers are temporarily mounted, and a handler for...
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4963069 |
Container for the handling of semiconductor devices and process for particle-free transfer
The container and transfer process are intended to prevent stop contamination of semiconductor devices from occurring, even if the container is stored or handled under unclean room conditions. The...
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4961766 |
Adjustable ventilation, air purification and storage apparatus for modular office furniture
An adjustable cabinet having a built-in ventilation and air purification unit for portability and versatility when used in conjunction with modular work stations. The adjustable cabinet can expand...
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4934308 |
Improved spray chamber for powder deposition
Sheet material is fed from a sheet supply station to a sheet receiving station and is guided by guiding means which define the floor as well as the side walls of a spray chamber. The sheet material...
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4884554 |
Spit roaster
Provided is a spit roaster comprising: a body having an opening communicating with an exhaust duct, formed at the center of the bottom wall thereof, and an air supply path defined at both ends...
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4872400 |
Laboratory work station with controllable environment
Means and methods for maintaining laboratory work stations which have essentially open work areas, free of noxious and malodorous air contaminants by the use of tempered induction air combined with...
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4832717 |
Clean air cabinet
A clean air cabinet is disclosed including a cabinet shell defining a cabinet interior. Internal walls including a ceiling, back wall and floor are disposed within the interior and define a work...
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4809391 |
Apparatus for removing asbestos from pipes
Apparatus for removing asbestos material from horizontally arranged pipes in a linear, T-shaped or L-shaped configuration includes a rigid box-like device having a rectangular bottom wall and four...
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4781145 |
Detonation deposition apparatus
A detonation deposition apparatus has a sound insulated deposition chamber and a sound insulated plenum ventilation chamber communicating with the deposition chamber, detonation equipment, and a...
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4723480 |
Manufacturing apparatus with air cleaning device
A manufacturing apparatus equipped with product transfer means is arranged along the flow of products and provided with an air cleaning device. A partition panel is provided the downstream side of...
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4637302 |
Air supply device
An air supply device (17,18) including an elongated blow opening (23) for blowing ejector air (P1,P3) directed towards an exhaust device for entraining polluted air or other gases which are to be...
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4637301 |
Contamination control work station
A work station for use when working with radioactive and other toxic or hazardous materials having an enclosed centralized work area which is normally open to the surrounding space in order to...
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4622888 |
Hoods for the extraction of gases, vapors and suspended material
The hood for the extraction of gases, vapors and suspended matter comprises a hood casing, a supply air feed device and one or more suction outlets. It serves preferably as a laboratory hood. In...
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4590847 |
Supply make-up air attachment for exhaust booths
Energy conservation upgrading of existing large continuous atmospheric exhaust booths such as used for spray painting or abrasive blasting occurs when the exhaust booth is supplied with outside...
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4584929 |
Exhaust device
An exhaust device comprising an elongate hood having side walls (3,4). An internal, centrally located deflection casing (10) has two mutually aligned suction openings (8,9) which, in combination...
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4562791 |
Containerized thermal spraying plant
A containerized movable maintenance plant grouping all equipment and facilities necessary to conduct abrasive blasting and thermal spraying operations at any location, even under severe climatic...
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4557184 |
Clean bench
Clean bench having an outlet wind velocity measuring apparatus for the filter. The measuring apparatus comprises an air duct on a downstream of the filter, a rectifier means at the passage of the...
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4553475 |
Laboratory hood attachment
An attachment for a laboratory hood having an opening leading to a work area includes a housing that has a lower open end and opening means extending the entire length along an upper portion of the...
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4550650 |
Hood for the extraction of gases, vapors and suspended matter
The hood for the extraction of gases, vapors and suspended matter comprises a hood casing, a supply air feed device and one or more suction outlets. It serves preferably as a laboratory hood. In...
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4409890 |
Fume cupboard
A fume cupboard with a ventilated enclosure having an access opening along an edge of which is a cowling for improving containment of the cupboard. The cowling is shaped such that there is a...
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4280400 |
Fume cupboards
A fume cupboard which comprises a ventilated enclosure provided with an access opening. A cowling is provided along at least one edge of the opening, the cowling being spaced from the edge so that...
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4249463 |
Workstation
A workstation (10) includes a working area (12) inside an enclosure (11) to which an operative can gain access via an access aperture (13) beneath a transparent window, an air circulation system,...
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4211155 |
Laboratory hood
A laboratory hood has a housing that is horizontally elongated and that is provided with an exhaust that withdraws gas from inside the housing through the back wall thereof. A horizontally...
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4197646 |
Housing for dental amalgamator
A housing for containing a dental amalgamator is adapted both to retain liquid mercury lost during operation of the amalgamator such that the liquid mercury may be recovered and confine mercury...
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4153044 |
Backshelf ventilating hood
A low profile backshelf type hood having back, top, and side walls is either floor mounted or wall mounted to form a hood enclosure partially surrounding a source fo fumes or vapors. Outside...
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4117833 |
Exhaust hood with adjustable air injection nozzle
An exhaust hood for kitchens, spray booths, etc., is provided with an air intake plenum having a nozzle spout which is adjustable to inject air from the plenum into the hood on selectively...
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4108509 |
Controlled environment work enclosure
An improved controlled atmosphere work enclosure for use in handling hazardous materials such as mercury and mercury alloys. The work enclosure comprises a hollow housing defining a work space...
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4100847 |
Convertible, laminar flow biological safety cabinet apparatus
A laminar airflow biological safety cabinet apparatus is disclosed which is convertible by the user for changing the airflow pattern through the cabinet in order to meet different specialized...
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4098174 |
Total exhaust laminar flow biological fume hood safety cabinet and method
A total exhaust laminar flow biological fume hood safety cabinet is disclosed having a closed housing with a viewing panel and access port therebeneath at its front portion. Centrally a work tray...
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4059903 |
Controlled environment work enclosure
A controlled atmosphere work enclosure for use in handling hazardous materials such as mercury and mercury alloys. The work enclosure comprises a hollow housing defining a workspace having disposed...
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4050368 |
Exhaust system for industrial processes
A textile or other industrial machine, of the type where one or a plurality of operations generate a gaseous discharge at a work station, is provided with at least one wall leaving at least one...
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3944405 |
Down-flow chamber
A down-flow chamber in which, from a filter in the ceiling of a working room, a germfree and dustfree flow of air is directed downwardly to a working face that is surrounded by walls with exhaust...
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3895570 |
Air-insulated work station
A work station having a work space bounded by an air duct system. Air is sucked out of the ducts for filtering, part of the air being circulated downwardly through the work space and back to the...
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3745908 |
HOOD
Air is circulated through an area overlying a predetermined portion of a horizontal work surface such as a laboratory table while both enclosing confinement of the area and opening thereof to...
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3598039 |
MOVABLE PAPER MACHINE HOOD
The fourdrinier section of a papermaking apparatus is isolated from the remainder by a completely removable encompassing hood cover or housing, having disengaging vent means, isolating the...
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3496857 |
FUME CUPBOARDS
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3425335 |
LABORATORY FUME HOOD
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3273323 |
Laminar flow air hood apparatus
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