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System for magnetically attaching templeless eyewear to a person
A system of eyewear that eliminates the need for hinges on the frames of the eyewear.
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| Number | Title | Issue Date |
| 4331176 | Replaceable cartridge valve assembly A replaceable cartridge valve assembly adapted for use in a sanitary fitting which includes a pair of discs, each disc having at least one opening or orifice therein to provide the valving function and an auxiliary valve means is disclosed. The valve asse... | 05/25/1982 |
| 4328831 | Rotary valve A rotary valve apparatus having particular utility to the valving of high solids content fluids such as slurries and the like provides a normally fixed, generally flat circular disk defining a valve body and providing a plurality of radially spaced flow o... | 05/11/1982 |
| 4312415 | Reverse circulating tool In a combination for the drilling of a gas, oil, water and/or steam well comprised of a well hole, which is being drilled, well casing, which extends at least part of the way down the well hole, rotatable drill pipe, which extends down the well hole to th... | 01/26/1982 |
| 4285408 | Reverse circulating tool Device for use in the drill string used to drill an oil well. The device has a cylindrical body, four passageways located lengthwise through the cylindrical body, and a Y-shaped bottom member, which has a Y-shaped passageway therethrough. The two upper ar... | 08/25/1981 |
| 4256163 | Valve cartridge A valve cartridge which is particularly suited for replacing valve assemblies of the type utilizing axially movable valve cones, includes a valve disk arrangement. The cartridge housing includes an upper portion adapted to extend above a valve housing and... | 03/17/1981 |
| 4191281 | Damping-force control mechanism in a hydraulic shock absorber A damping force control mechanism in a hydraulic shock absorber having a piston disposed within a cylinder casing so as to define a pair of hydraulic chambers. A plurality of ports are formed through the partition to enable passage of hydraulic fluid betw... | 03/04/1980 |
| 4187881 | Cone valve assembly In accordance with the present invention, a container outlet valve assembly is provided surrounding a container outlet including a generally cone-shaped housing extending upwardly into the container, and including radially spaced outer openings in the con... | 02/12/1980 |
| 4186773 | Control valves for fluids A control valve for fluids has two relatively rotatable plates, each having ports which cooperate to control fluid flow. The plates are biased towards one another, and one of the plates is provided with lands round its ports, these lands creating a space ... | 02/05/1980 |
| 4145004 | Showerheads A showerhead of the type including an inlet end, an outlet end, and a bore defining a passage between the two. Two discs are disposed in the passage, in face-to-face engagement with each other and mounted for relative rotation about a central axis. A plur... | 03/20/1979 |
| 4134425 | Device for distributing flowing media over a flow cross section A device for distributing flowing media over a flow cross section comprising a distributor plate extending over the flow cross section and having a multiplicity of openings over its entire extent. The device further includes a cover plate having passages ... | 01/16/1979 |
| 4105043 | Faucet valve A valve is provided which is adapted for removable insertion in a valve body used for the control of the flow of fluid in a plumbing fixture. The valve includes a pair of discs in intimate movable contact with one another along a common interface. The fir... | 08/08/1978 |
| 4100938 | Flow control unit for air distribution system The flow control unit includes a shell or housing defining a flow passage and a damper assembly disposed in the housing for controlling the volume of air flowing through the flow passage. The damper assembly includes a pivotally mounted damper blade which... | 07/18/1978 |
| 4098294 | Flow control valve A flow control valve having means within the valve body for forming simultaneously variable inlet and outlet orifices which are separated by an expansion chamber.... | 07/04/1978 |
| 4067935 | Volatile anesthetic vaporizing apparatus A volatile anesthetic vaporizing apparatus including a concentration control flow valve means actuated by a substantially linear rotary dial for dividing an inflowing gas stream into two separate streams, one stream being passed over liquid anesthetic to ... | 01/10/1978 |
| 4049021 | Variable dome valves and combustors provided with said valves A variable valve is provided for mounting on the end of a tubular conduit for controlling fluid flow through said conduit. Said valve is particularly well adapted to be employed as a dome valve on the upstream end of a flame tube of a combustor for contro... | 09/20/1977 |
| 3960177 | Low torque and low noise butterfly valve disc A butterfly valve disc with generally oval plane surface, tiltingly arranged so that the outer periphery forms a perfect circle intersecting with the inner bore of a butterfly valve, and where the outer rim of the disc further supports a row of ribs arran... | 06/01/1976 |
| 3942951 | Contact plate for mass-exchange apparatus The contact plate for mass-exchange apparatus consists of two disks facing each other with their end surfaces and capable of mutual rotation round the axis thereof. Each disk has one slit-like hole shaped as an Archimedean spiral so that when one disk rot... | 03/09/1976 |
| 3934612 | Fluid valve with wide temperature range A fluid valve suitable for either metering or pressure regulating fluids at various temperatures is provided for a fuel system as may be utilized in an aircraft gas turbine engine. The valve includes a ceramic or carbon pad which cooperates with a window ... | 01/27/1976 |
