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Document Title |
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6900954 |
Viewing enhanced apparatus for visibility impaired fluid
Viewing enhancing apparatus for visibility impaired fluid, such as turbid water or a smoke-filled room, includes a fluid-permeable sidewall and a housing defining a confluence cavity having an axis...
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6460804 |
Emergency vision apparatus
An emergency supplementary vision device comprises a collapsible tube made of airtight material and having an expanded form and a compact stowed form; first and second clear members disposed at...
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6366415 |
Underwater seeing device
An underwater seeing device for enabling the user to see underwater without having to bend over. The underwater seeing device includes an elongate tubular member having a main portion, a neck...
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6293841 |
Foldable under water viewing window
A floating window for viewing underwater life, which has an unfolded viewing configuration and a folded storage configuration for transport and/or storage. Floating end walls are attached to a...
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6191899 |
Emergency visual assistance device
An emergency visual assistance device which provides an operator at an operator station access to operationally necessary visual information when that visual information is obscured by smoke or...
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6023382 |
Portable underwater viewer with magnifying capabilities
An underwater viewing apparatus is provided including a housing with a hollow configuration. Also included is a lens assembly comprising a magnifying lens secured within the housing for magnifying...
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H001645 |
Underwater multi-mode night vision apparatus
An underwater night vision apparatus employing a night vision device for enhancing images illuminated solely by ambient light and an LED illuminator for provision of invisible infrared light to...
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5557544 |
Spectrometer with dynamically coded components
In an analytic spectrometer (50) having a central computer (9), permanently installed and exchangeable components (5), such as a radiation source, a detector, a beam splitter, a filter, external...
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5491589 |
Meter reading apparatus
A cylindrical viewing tube for reading submerged water meters, comprising a clear, high strength polycarbonate viewing tube, a closed bottom end for engaging a submerged meter face, the bottom end...
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5458386 |
Golfball retrieval device
A device for retrieving submerged golfballs comprising a telescoping, elongated member having a golfball scoop at one end. An underwater viewing device having a lens is secured to the elongated bar...
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5397898 |
Optical component exchanger and method
An apparatus and a method for the exchange of an optical component 20 is proposed in which a storage housing 1 exhibits a lower opening with a first gate means 21 adapted for sealing the lower...
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5144481 |
Submerged meter reading apparatus
A submerged meter reading apparatus for enabling a human user to visually read a meter submerged in water or the like, having an elongated tubular body member with a sidewall defining an interior...
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4895539 |
Underwater viewing device
The invention relates to an underwater viewing device wherein a viewer can immerse the lower portion thereof into a body of water and view clear, undistorted images of objects which appear...
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4884871 |
Meter reading aid
This invention relates to a device for facilitating the reading of submerged water meters. The device has an elongate, thin wall member of generally right circular cylindrical cross sectional...
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4852508 |
Underwater window for vessels
An underwater window for vessels which is provided to cover an opening made on the hull has a first transparent plate curved to form a convex surface bulging toward the outside of hull outwardly...
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4844595 |
Viewing device for flotation body
In accordance with the present invention a viewing device for flotation bodies is provided which comprises a body having an interior defined by its side walls and at least one transparent end wall....
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4643523 |
Telescoping water meter reading apparatus
A meter reading apparatus includes a telescopic tubular viewer attached to the underground meter and provides a clear sight path through water in the meter box for easy meter reading. In a first...
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4553819 |
Visual aid apparatus for viewing objects beneath water surface
A visual aid apparatus (10) is disclosed. The apparatus (10) permits clear vision through the surface of the water. Apparatus (10) includes a relatively thin transparent sheet (11) which is...
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4536789 |
Apparatus for observation in a high velocity liquid stream
The invention relates to an apparatus capable of observing an object in the path of a liquid stream while a radiation receiving part of the apparatus is positioned in the liquid stream. In a...
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3929533 |
Method of assembling a glass spherical segment viewing port to a submarine vessel
An improved window viewing construction for viewing submersible vehicles a method of manufacture thereof is described in which a hemispherical glass dome is fitted to a metallic mounting ring which...
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3839109 |
METHOD OF FABRICATING RIGHT SPHERICAL SEGMENT GLASS SHELL-TO-METAL-JOINT
An improved viewing window construction for deep submersible vehicles and a ethod of construction thereof is disclosed. A hemispherical glass dome is ground and lapped with an edge radius of twice...
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3808621 |
SWIMMER'S VIEWING FLOAT
A swimmer's viewing float having generally spherical facing upper and lower parts, the latter being transparent and the former having a transparent concave viewing port. The concave shape of the...
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3759605 |
METHOD AND APPARATUS FOR HOUSING UNDERWATER OPTICAL INSTRUMENTS
An underwater optical method and apparatus in which the pressure within a sealed optical chamber is balanced with external hydrostatic pressure by filling the optical compartment with a pressurized...
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3628853 |
INTEGRALLY FORMED UNDERWATER VIEWING DEVICE WITH PERIPHERAL SKIRT
A clear view device for use when vacuuming the bottom or walls of a swimming pool when filled with water which eliminates glare and provides a clear view of the particular area of the swimming pool...
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3624382 |
METER-READING DEVICES
This invention relates to devices used for reading the faces of submerged meters which must be read from above and which are usually submerged in relatively opaque liquids such as muddy water, and...
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3619042 |
COLLAPSIBLE UNDERWATER VIEWING DEVICE
A collapsible and portable underwater-viewing device comprising confronting upper and lower tubular end sections having relatively thin flexible walls and inflatable to form relatively rigid rings,...
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3596082 |
HYDROSCOPE
A device for viewing underwater objects, comprising a buoyant housing, a transparent sleeve extending through the housing and a pair of mirrors are adjustable parallel to one another in the top and...
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3506332 |
AIR TO WATER VIEWING DEVICE
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3482903 |
WATER-COLUMN OPTICS SYSTEM
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3320018 |
Optical system for photographing objects at least in part in a liquid medium
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3114790 |
Wide angle viewing apparatus for high vacuum systems
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3084687 |
Underwater breathing-viewing apparatus
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3081726 |
Underwater viewers
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2996722 |
Face mask
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2968208 |
Underwater viewing device
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2959090 |
Device for inspecting a body surrounded by, or composed of, hot gases
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2928097 |
Underwater goggles
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2911878 |
Underwater viewers
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3565516 |
Title is not available
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