Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 5022635 | Removeable cover for a hot metal transfer car A hot metal transfer car has a pouring mouth and integral apparatus for removably covering the pouring mouth. A track has a first section which is supported by the transfer car at one end and extends upwardly toward its second end. A second section of the ... | 06/11/1991 |
| 5022458 | Controlling the position of liquid metal in a vessel A method of controlling the position of liquid metal in a mould cavity comprising the steps of feeding molten metal to the mould cavity, sensing the position of a surface of the metal in the cavity by a managing means responsive to electrical capacitance ... | 06/11/1991 |
| 5020935 | Connector A connector, to connect together two members, comprises a body having two sockets to receive the members. A wedge member is received in a pocket in the body which pocket opens to each socket so that parts of the wedge can extend into each socket to exert ... | 06/04/1991 |
| 5020676 | Stacking pipe protector A two-part, ring-like, hook-on protector device provides a secure but easily removable mounting at spaced locations along heavy pipe or casing members that are normally stacked in a horizontal lengthwise extending relation for storage and shipment to oil ... | 06/04/1991 |
| 5016599 | Closed cycle internal combustion engine A closed cycle apparatus comprising a combustion chamber, delivery means to deliver inert carrier gas, combustion supporting gas and fuel into the combustion chamber, means to cause the fuel to burn in the combustion chamber, means to exhaust exhaust gas ... | 05/21/1991 |
| 4996032 | Process for removing sulfur dioxide from flue gases A process for removing sulfur dioxide from a flue gas in a wet scrubber with an aqueous slurry formed from calcium hydroxide and magnesium hydroxide with magnesium hydroxide or magnesium oxide recovered therefrom. A thickened sludge from a thickener conta... | 02/26/1991 |
| 4989634 | Fuel dispenser catchment box A fuel dispenser catchment box has a metal casing with an outwardly extending flange for attaching a dispenser housing and an inwardly extending flange for supporting a non-metallic closure member to close the bottom thereof. The closure member is removab... | 02/05/1991 |
| 4982764 | High confidence tube plug A high confidence tube plug for sealing the bore of a tube against fluid flow has an elastomeric sleeve for sealing the tube. An axially aligned hydroscopic disk swells when contacted with water to frictionally grip the tube. The sleeve and the disk are f... | 01/08/1991 |
| 4977795 | Relating to a ratchet machanism A ratchet mechanism comprising a rotatable member incorporating a toothed periphery, the rotatable member being suitably mounted to allow free rotation thereof, a pawl incorporating apparatus for engaging the toothed periphery, the pawl being suitably mou... | 12/18/1990 |
| 4976936 | Flue gas desulfurization with oxidation of calcium sulfite in FGD discharges A method for removing sulfur dioxide from flue gases, with oxidation of calcium sulfite in the discharge from a liquid scrubbing system to produce gypsum, oxidizes the sulfite in a thickener overflow at a pH of between 4.0 and 6.5. The calcium sulfite is ... | 12/11/1990 |
| 4976158 | Tension measuring apparatus The distribution of tension in flat products is measured by a bendable roll engaged by segmented rolls. The bendable roll has a peripheral surface which engages the width of workpiece and is elastically bendable along its axis under the tension in the wor... | 12/11/1990 |
| 4976081 | Sandwich panel assembly A sandwich panel assembly for refrigerated and non-refrigerated structures has an insulating layer disposed between two facings. A chain having hooks or a wire is attached to the facings and is entirely embedded in the insulating layer for positively conn... | 12/11/1990 |
| 4976937 | Sulfur dioxide removal from flue gases with sulfite oxidation inhibition A method for removing sulfur dioxide from flue gases in a wet scrubbing system where calcium thiosulfate and calcium polysulfides are formed by the reaction of lime and emulsified sulfur and the mixture added to a recycle tank of the wet scrubber where it... | 12/11/1990 |
| 4974383 | Sandwich panel Walk-in coolers for maintaining a chamber at a temperature are assembled from sandwich panels, which are welded together in end-to-end abutting relationship. Each panel generally has an inner metallic facing and a spaced opposed metallic facing with the s... | 12/04/1990 |
| 4974333 | Width measuring device The edge to edge width of a moving workpiece is measured as the workpiece is transferred over horizontal table rolls between a pair of spaced apart generally horizontal sideguards extending perpendicularly of the axes of the table rolls. A pair of opposed... | 12/04/1990 |
| 4972785 | Free hanging reheat furnace door A free hanging reheat furnace door has a main door section with modular refractory units secured to a frame in lateral rows and a detachable bottom door section formed from channels and struts which is also covered by modular refractory units. The door se... | 11/27/1990 |
| 4960213 | Hanger support guard A guard protects the upper surface of a hanger support from scatching by hangers displaying clothing or other merchandise. The support guard has a bottom surface adapted to rest upon the upper surface of a hanger support and has one or more upwardly exten... | 10/02/1990 |
| 4953776 | Turbine blade repair A method of repairing turbine blades where it is required to repair a blade while it is in situ on a rotor involves the movement of a lacing wire out of engagement with the blade to be repaired so that the blade may be repaired. The lacing wire may be com... | 09/04/1990 |
| 4951390 | Turbine blade repair A method of and apparatus for repairing turbine blades wherein the repair requires the input of considerable thermal energy during a welding or brazing operation for example. The method involves the step of pre-distorting the blade prior to the welding or... | 08/28/1990 |
| 4940156 | Thermoplastic multi-purpose tray with variable compartments An injection molded, thermoplastic tray for storage and shipment of leadframes comprises a receptacle in the form of a rectangular base, and a plurality of dividers engageable with the base. The receptacle has first and second hinged side walls with outwa... | 07/10/1990 |
| 4940365 | Mine roof support plate bolt A mine roof support plate bolt formed from an elongated rod has a head and flange at one end, and a helical channel adjacent the other end, the rod having a threaded section adjacent the channeled section and an expansion anchor engaged on the threaded se... | 07/10/1990 |
| 4932540 | Merchandise display fixture A fixture for displaying merchandise has telescoping structural members. A vertically extending tubular member adjustably supports an elongated member having a generally horizontal arm for displaying the merchandise and a vertical arm telescopingly receiv... | 06/12/1990 |
| 4922668 | Service access unit for floors A service access unit for a floor system having elongate trunking for one service feed segregated from other service feed or feeds, has a frame to extend across and beyond such trunking at least to one side. The frame is securable in an aperture in the fl... | 05/08/1990 |
| 4915356 | Fluid valve A fluid valve permits small quantities of fluid from a container to be withdrawn with a syringe. The valve has a sleeve mounted on a hollow stem in fluid flow communication with the container. A septum is movably mounted between the bore of the sleeve and... | 04/10/1990 |
| 4912897 | Flooring systems with segregated service feeds A flooring system with services segregation for an existing base or substrate (10) to give a new floor, comprises elongate segregation ducting (20) shown with spaced parallel sides (34) and medial divider(s) (36) extending therealong, the sides (34) and d... | 04/03/1990 |
| 4912866 | Display frame A display structure is disclosed comprising rectangular panels each having at its upper edge a cross member (7) providing an upwardly open channel (80) which receives a central formation (68) of a retaining member (54) which provides, at its upper end, on... | 04/03/1990 |
| 4909060 | Oil compression compensation system A pre-set fluid actuator for setting the roll gap of a rolling mill having a transducer for detecting actuator movement and an electrohydraulic servovalve for controlling its position, a control system for compensating for the compressibility of the actua... | 03/20/1990 |
| 4906130 | Anti-scouring device for a dam stilling basin or approach An anti-scouring device for preventing scouring of the bed of a flowing stream at an upstream or downstream location proximate a dam has a plurality of rows of concrete members, positioned in the direction of flow of the stream, on the bed of the stream. ... | 03/06/1990 |
| 4900895 | Rectangular electrode An improved method of making a generally rectangular continuous electrode having a width to thickness ratio of at least 4:1 is disclosed comprising the steps of forming sheet metal into a first continuous trough shaped sheath, filling the trough with gran... | 02/13/1990 |
| 4898014 | Roll shifting system for rolling mills The invention relates to a rolling mill of the 4 Hi Mae West type having cylinders for axially shifting the work rolls for a schedule free rolling operation, work roll balance cylinders are mounted in the Mae West blocks and as a result assume a varying o... | 02/06/1990 |
| 4898012 | Roll bite gauge and profile measurement system for rolling mills A rolling mill for rolling strip in which one of its rolls serves both as a mill roll and as a gauge and/or profile measuring roll. The one roll has an outer sleeve for deflection under the rolling force and an internal stationary member for carrying a nu... | 02/06/1990 |
| 4898708 | Method for shaping closed bottom of tubular container A method for producing thermoplastic tubular containers having a tubular wall section, open neck, and integral sealed bottom where a thermoplastic disc, is sealed to the inner wall of the tubular wall section, and the disc, while in a moldable state, is f... | 02/06/1990 |
| 4897117 | Hardened penetrators Hardened penetrators (armor penetrating projectiles) of tungsten alloy can be work hardened such that they are hard at the surface, tough in the center to resist bending, and with hardness gradient such that the surface hardness is materially harder than ... | 01/30/1990 |
| 4896408 | Method of repairing turbine blades A method of repairing a turbine blade of the type wherein each of an array of blades has a tennon extending into a shroud passing around the outside of the blade, the repair being to the area of the blade in which the tennon is situated and comprises the ... | 01/30/1990 |
| 4887565 | Internal combustion engine A poppet valve in an internal combustion engine is moved in both the opening and closing directions by a follower coupled with the valve and defining an internal cam-track. There extends through an aperture defined by the follower a camshaft having a cam ... | 12/19/1989 |
| 4881848 | Method of forming an immersed dam foundation and a dam structure thereon An immersed dam foundation and a dam structure are formed in a body of moving water by forming a plurality of spaced piers having temporary support posts thereon. A current deflector is secured to the upstream support posts and sheet piling walls are driv... | 11/21/1989 |
| 4877221 | Expandable tap hole plug An expandable tap hole plug includes a plug comprising a cylindrical member having a circular nose and an outwardly extending flexible sidewall forming a variable obtuse angle with respect to the nose. The plug is adatepd to be oriented within a tap hole ... | 10/31/1989 |
| 4870970 | Ultrasonic investigation apparatus An apparatus for transmitting acoustic ultrasonic pulses and for receiving "echos" of the transmitted pulses, comprises a housing, an upstanding wall mounted on the housing defining the mouth of a well, and a transducer mounted in the housing so that the ... | 10/03/1989 |
| 4866828 | Method of repairing turbine blades A method of repairing a turbine blade of the type having one or more lacing wire holes comprising the steps of welding additional metal to the blade, subjecting the blade to a stress relieving heat treatment process before which the or each lacing wire ho... | 09/19/1989 |
| 4863101 | Accelerating slugs of liquid Discrete volumes, or slugs, of liquid are accelerated to high velocities utilizing energy stored by compressing the liquid. Liquid is forced into a pressure vessel already filled with liquid to effect the compression. A slug of liquid is ejected from the ... | 09/05/1989 |
