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| Number | Title | Issue Date |
| 4085533 | Device for producing aesthetic effects The specification describes a device for producing aesthetic effects, more particularly light effects, with at least one partly transparent or transluscent and preferably closed vessel. The vessel contains at least two liquids of different density which a... | 04/25/1978 |
| 4086157 | Electrode for electrochemical processes A coated valve metal electrode for electrochemical processes, which has (a) an electrode base body of valve metal; (b) a base layer on said valve metal, said base layer comprising an electrically conducting element without valve effect, and (c) a cover la... | 04/25/1978 |
| 4082247 | Valve actuator A valve actuator is provided for use in conjunction with a valve having a rotatable member wherein rotation of the rotatable member selectively actuates the valve in accordance with the direction of rotation of the rotatable member. The valve may be of th... | 04/04/1978 |
| 4080079 | Universal joint A universal joint is provided and comprises a male and female member which are rotatably coupled together even when the members are not in axial alignment with each other. The female member includes a socket with a polygonal cross-sectional shape while th... | 03/21/1978 |
| 4079779 | Rotary regenerative heat exchanger A rotary regenerative heat exchanger including a supply duct for admitting fluid to an area of a face of the matrix of the heat exchanger bounded by a seal, the supply duct having an outlet covered by a ported distribution plate in which ports are so arra... | 03/21/1978 |
| 4079707 | Variable compression ratio piston A two part variable compression ratio (VCR) piston assembly for use in a two cycle internal combustion engine, the piston assembly including an outer member movable relative to an inner member to vary the compression ratio of the engine and a hydraulic sy... | 03/21/1978 |
| 4078440 | Valve actuator A valve actuator is provided for use in conjunction with a valve having a rotatable member wherein rotation of the rotatable member selectively actuates the valve in accordance with the direction of rotation of the rotatable member. The valve may be of th... | 03/14/1978 |
| 4077155 | Aerodynamic toy An aerodynamic toy comprising a disc shaped aerodynamic throwing implement of the type adapted to rotate about its axis upon an airborne flight and a member which detaches from the implement after a predetermined number of revolutions of said implement. T... | 03/07/1978 |
| 4077738 | Time modulated position controller A time modulated position controller is provided comprising a hydraulic actuator having a cylinder and a piston slidably disposed in the cylinder thus defining a chamber within the cylinder. An electric solenoid valve functions upon actuation to permit fl... | 03/07/1978 |
| 4077784 | Electric filter An electric filter for separating impurities from air including a housing which contains separator plates disposed in spaced relationship and formed of conductive material and alternate ones of said plates are connected to opposite poles of a source of vo... | 03/07/1978 |
| 4078036 | Cartridge filter construction In a cartridge filter having a support member defining the shape of the cartridge filter and a filter media contained within the support member, a method of constructing a sealable end cap for the cartridge filter comprising the steps of placing a seal el... | 03/07/1978 |
| 4077855 | Bright nickel electroplating bath and process A primary brightener for use in aqueous nickel electroplating baths has the following general formula: ##STR1## wherein: R1 is methyl, ethyl or a hydroxyethyl radical; R2 is alkenyl, alkynyl, hydroxy-substituted alkynyl or lower ... | 03/07/1978 |
| 4076299 | Detachable truck body A detachable truck body adapted to be mounted onto the bed of a truck is provided and comprises a substantially horizontal base and a plurality of support legs pivotally secured to the base and movable between a first and second pivotal position. In their... | 02/28/1978 |
| 4075909 | Automatic shaft balancer A shaft balancer is provided for automatically correcting an unbalanced condition in a rotating shaft and thereafter maintaining the rotating shaft in a balanced condition. The shaft balancer comprises a housing having an outer rim and means for securing ... | 02/28/1978 |
| 4074670 | Engine efficiency system A pair of closely adjacent electrically conductive coils, suitably encapsulated, are secured to or retained closely adjacent an electrical accessory and a fuel line of an internal combustion engine. When the engine is utilized to drive a rubber-tired moto... | 02/21/1978 |
| 4071227 | Small movable hot deseamer A portable, remote controlled hot deseamer apparatus equipped with a nozzle arrangement and an ignition device which is suitable for selective hot deseaming or flame cutting of a workpiece.... | 01/31/1978 |
| 4071274 | Pivotal and detachable truck body system A system for removably and pivotally securing a truck body onto the bed of a truck is provided in which the truck body is automatically locked to the bed of the truck as the truck body is lowered onto the truck bed. The system comprises a plurality of gui... | 01/31/1978 |
| 4067292 | Device for coating popcorn A device suitable for coating popcorn with cheese, butter, or the like comprises an axle positioned at an acute angle to a horizontal plane, means for rotating the axle, and four vessel-gripping prongs releasably secured to the axle for rotation therewith... | 01/10/1978 |
| 4065845 | Device for changing bore crowns A device for changing bore crowns on a drill rod including a bore crown magazine member and means for automatically stopping and locking the magazine member in a desired rotated position.... | 01/03/1978 |
| 4064773 | Sound deadening means for use on a bar feeding machine An elongated non metallic cylindrical tubular member is provided and adapted to be received in the feed tube of a bar feeding machine. The cylindrical member is provided with an inside diameter sufficient to receive bar stock therethrough and functions to... | 12/27/1977 |
| 4065377 | Metal anode for electrochemical processes An anode for electrochemical processes comprises a basis metal and a new electrochemical active substance for the cover layer, which substance is thallium palladate having the formula TlPd3 O4.... | 12/27/1977 |
| 4065713 | Voltage stabilizer A voltage stabilizer includes the series combination of a series regulator element and inductor and an inverter circuit connected across a direct voltage supply. The series regulator is controlled by a comparator which compares the stabilized output volta... | 12/27/1977 |
| 4063455 | Flow meter A positive displacement flow meter is provided and comprises a housing having an inlet and an outlet. A vane is secured to a rotatably mounted shaft extending through the housing and resilient means attached to the shaft urge the vane to a closed position... | 12/20/1977 |
| 4062224 | Brake tester Apparatus for the determination of the brake actuation and release time for pneumatic brake systems. The brake tester is pneumatically connected to both an external source of pressure and the vehicle reservoir with a solenoid valve disposed between the ex... | 12/13/1977 |
| 4062495 | Gas supply device for flame scarfing A burner for use in a flame scarfing apparatus including a plurality of flame scarfing sections, a transverse bore extending through the burner, a screw-threaded bolt disposed within the bore, chamber sleeves disposed about the bolt and spaced to correspo... | 12/13/1977 |
| 4061034 | Fluid pressure sensing device A device operable in response to an input fluid force includes a housing having an inner surface and a fluid pressure responsive member carried within the housing and having a surface that abuts the inner surface of the housing. The surfaces are curved an... | 12/06/1977 |
| 4060581 | Method of making a composite burial vault A composite burial vault is provided having a hollow liner constructed of a synthetic plastic resinous material which is filled with concrete. In constructing the burial vault, the liner is constructed from thermosetting resinous material in any conventio... | 11/29/1977 |
| 4056953 | Torque limiting coupling A torque limiting coupling for transmitting torque to a tubular member from a driving shaft extending axially throughout the tubular member, and more particularly for driving a conveyor roller from a power shaft, the torque limiting coupling comprising th... | 11/08/1977 |
| 4057229 | Ignition rod and feed device An ignition rod for an oxygen flame cutting and welding apparatus comprising a plurality of individual rod elements and a device for feeding the ignition rod from storage to a point of use.... | 11/08/1977 |
| 4054398 | Centrifugal compressor or centripetal turbine A diffuser for a centrifugal compressor or a nozzle assembly for a centripetal turbine comprising a pair of axially-spaced walls defining an annular housing open at its inner and outer peripheries and a plurality of vanes extending between the walls and d... | 10/18/1977 |
| 4053157 | Board game apparatus A game apparatus and method for playing the game including a game board having a plurality of squares located along each of its sides and bearing instructional information, a plurality of play directing cards which relate to the instructional information ... | 10/11/1977 |
| 4053173 | Bicycle A bicycle of the type comprising a frame and a front and rear wheel rotatably mounted to the frame is provided with improved means for rotatably driving the rear wheel. The driving means comprises a right and left foot lever pivotally connected at one end... | 10/11/1977 |
| 4053252 | Cutting tool holder A cutting tool holder for rotatably supporting a cutting bar is provided in which the radial distance between the axis of rotation of the cutting tool holder and the cutting edge of the cutting bar is adjustable. The cutting tool holder comprises a hub me... | 10/11/1977 |
| 4052312 | Strainer magnets A pliable magnet member adapted to be removably mounted to filter elements of different diameters to provide means for attracting metal particles to remove them from the hydraulic system with which the filter element is employed.... | 10/04/1977 |
| 4050223 | Device for unpacking bottles or similar articles in a shrink foil package A table is adapted to receive the shrunk foil package, and its top is substantially the same in size or somewhat smaller than the base surface of the package. A pressing platen is adapted to be lowered on to the package, for clamping and holding firm the ... | 09/27/1977 |
| 4050168 | Footwear with detachable symbols An attachment for footwear having a sole is provided and comprises at least one raised symbol detachably mounted to the sole by a pressure sensitive adhesive. With the symbol or symbols arranged as desired on the sole, the outline of the symbol is imprint... | 09/27/1977 |
| 4048719 | Carton opener A hand-held cutting device is provided for opening cartons, such as cardboard boxes, without damaging the contents within the carton. The cutting device comprises a handle having an elongated flat bottom surface which is adapted to slide along the outer s... | 09/20/1977 |
| 4046487 | Turbine blade indexing assembly A turbine blade indexing assembly adapted for variably adjusting the pitch of the turbine blades in a turbine wheel. The indexing assembly includes a housing secured to a turbine hub and an indexing ring contained between the housing and the hub and adapt... | 09/06/1977 |
| 4046019 | Locking device for a lift A locking device for a lift having a base and a lifting platform which may be variably elevated above the base of the lift. The locking device comprises an elongated gear rack secured at one end to the lifting platform of the lift and slidably received wi... | 09/06/1977 |
| 4044629 | Reciprocating piston machine A reciprocating piston engine, pump or compressor including a crank-shaft having a crank-pin offset laterally from the axis of rotation of the crank-shaft, a connecting-rod pivotally-mounted on the crank-pin and pivotally-connected at the end thereof remo... | 08/30/1977 |
