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| Number | Title | Issue Date |
| D529939 | Gear | 10/10/2006 |
| 4708326 | Vented pouring cup for molten metal casting A molten metal pouring cup is provided communicating with a transfer means for transferring molten metal from the pouring cup to a casting station. Vent means is provided on the pouring cup at the interface between the pouring cup and the transfer means t... | 11/24/1987 |
| 4693345 | Rectangular parallelpiped arrangement of two cases for air travel A multi-compartment case, in particular such a case for air travel, features a rectangular parallelpiped shaped part with a handle on one narrow side and, projecting beyond the narrow side a tall part which is provided with a hinged lid on the front wall ... | 09/15/1987 |
| 4687566 | Protective collar for anode spade pin A collar for protecting the iron spade of an anode rod for a carbon block that serves as an anode in the electrolytic production of aluminum comprises a plurality of shaped carbon blocks each with two close-fitting, abutting end faces and recesses which j... | 08/18/1987 |
| 4658571 | Apparatus and method of making cleaning pads A method and apparatus for making cleaning pads from a tubular meshed network having inner and outer surfaces and a resilient filler by simultaneously turning said meshed network inside out and feeding said tubular meshed network and said filler into a ho... | 04/21/1987 |
| 4540543 | Injection blow molding process and apparatus A method and apparatus for injection blow molding hollow plastic articles characterized by a rapid and efficient operating cycle. The injection mold includes a mold cavity and the blow mold is located adjacent the mold cavity in side-by-side relationship.... | 09/10/1985 |
| 4539561 | Process and device for inspecting the surface of a material The surface of a material is inspected for defects by visual examination of a television picture of the surface produced by at least one camera focused on the material and transmitting an image to a screen in the form of a video signal. The connection bet... | 09/03/1985 |
| 4537083 | Device for imparting continuous passive motion to human joints A portable apparatus for imparting continuous passive motion to a human joint. A support is provided for harnessing to parts of the body at one side of the joint and conveyor means movable relative to the support is provided for connection to a part at th... | 08/27/1985 |
| 4537761 | Hydrogen storage system A metal composition, particularly magnesium or a magnesium alloy is activated for hydrogen storage by a plurality of activation cycles each comprising a step of hydriding the metal composition followed by a dehydriding step; in this way the metal composit... | 08/27/1985 |
| 4534463 | Cigarette carton A container, especially a paper board container, for cigarettes includes an open ended rectangular casing member and a rectangular, tubular drawer member adapted to be slidably received in the casing member; cooperating means on the drawer and casing memb... | 08/13/1985 |
| 4534178 | Method and apparatus for removing condensate and oil particles from a stream of compressed air used in the production of snow A method and apparatus for removing oil particles and condensate from a stream of compressed air used in the production of snow by snow-making equipment wherein the condensate is first crystallized thus allowing the oil particles to adhere thereto and the... | 08/13/1985 |
| 4534834 | Process for continuous pretreatment by electrochemical oxidation of strip or foil of aluminum Pretreatment of aluminum strip or foil for lacquering, adhesive coating or laminating processes involves heavy metal compounds which are considered undesirable for many packaging purposes, in particular for foodstuff packaging. These disadvantages are avo... | 08/13/1985 |
| 4528099 | Filter medium for filtering molten metals Filter medium in the form of a stable body made of ceramic material and employed for filtering molten metals. The filter medium is made up of at least two effective filter layers such that a relatively thick layer of large pore diameter lies on a relative... | 07/09/1985 |
| 4525326 | Aluminum alloy 0.05 to 0.2% vanadium and manganese in a concentration equal to 1/4 to 2/3 of the iron concentration are added to an aluminum wrought alloy containing 0.3-1.0% Mg, 0.3-1.2% Si, 0.1-0.5% Fe and up to 0.4% Cu. This alloy is employed mainly for the manufactu... | 06/25/1985 |
| 4525105 | Device for controlled batch feeding of a fluidizible particulate material and process for its operation The device permits controlled batch feeding from a silo with at least one outlet opening and is particularly suitable for supplying alumina from a day's storage silo to the break in the crust on a fused salt electrolytic cell for producing aluminum. Flang... | 06/25/1985 |
| 4521277 | Apparatus for upgrading heavy hydrocarbons employing a diluent Apparatus for upgrading heavy hydrocarbonaceous materials for making coke suitable for metallurgical purposes comprises mixing the heavy hydrocarbonaceous materials with a diluent having a closely controlled boiling range so as to facilitate transport, de... | 06/04/1985 |
| 4521663 | Process for deposit welding and wear resistant coating alloy Wear resistant coatings of highly alloyed filler metal are deposited on base materials of carbon and manganese bearing ferrous alloys and this, depending on the carbon and manganese content of the base material with or without buffer layer, employing low ... | 06/04/1985 |
| 4520128 | Catalyst having high metal retention capacity and good stability for use in the demetallization of heavy crudes and method of preparation of same A new active stable catalyst for use in the removal of sulphur, nitrogen, contaminating metals, asphaltenes and Conradson carbon from heavy crudes and residues and, in particular, a method for the preparation of the catalyst and a process for the treatmen... | 05/28/1985 |
| 4519181 | Sleeve carton end panel and flap folding and sealing assembly In a carton erecting, loading and sealing machine for packaging a plurality of articles in a sleeve type carton, the gluing and sealing station of the machine is provided with a pair of upper folding plates and a pair of lower folding plates on either sid... | 05/28/1985 |
| 4516479 | Pump A pump for pumping fluids which contain a high degree of suspended solid particles comprises a piston provided with a cylindrical sleeve of a hard ceramic material having a hardness of greater than nine on the Mho scale, preferably an aluminum oxide ceram... | 05/14/1985 |
| 4513778 | Check valve In a subsurface positive displacement pump used in the petroleum industry for pumping crudes characterized by a high degree of suspended solid particles, a ball check valve comprising a valve ball and a valve seat assembly wherein the valve seat assembly ... | 04/30/1985 |
| 4512386 | Adjustable mold for electromagnetic casting An adjustable mold for use in electromagnetic casting systems wherein the side walls of the mold are adjustable so as to allow for the casting of ingots of various sizes by a single mold.... | 04/23/1985 |
| 4511398 | Process for purifying aluminum with sodium Aluminum contaminated with at least one of the metals of the groups II b, III a, IV a and V a of the periodic table of elements is purified by means of sodium applied in liquid extraction in a separating column in the temperature range between the melting... | 04/16/1985 |
| 4511449 | Cathode for a fused salt reduction cell In a fused salt electrolytic cell used in the production of aluminum, a cathode having work faces which are wet by aluminum, are resistant to attack by the molten electrolyte and are electrically conductive, is made up of a bed of loose shaped pieces or b... | 04/16/1985 |
| 4510014 | Apparatus for sealing a film or foil or the like on to a container An apparatus and method for sealing a film or foil or the like on to a container, by means of a downwardly movable heating device which is arranged between two columns or pillars bridged by a transverse member and below which the container can be passed, ... | 04/09/1985 |
| 4508616 | Hydrocracking with treated bauxite or laterite A catalyst for use in the conversion of heavy hydrocarbons to light ones, the catalyst being prepared from a naturally occurring material characterized by an elemental composition comprising aluminum, iron, silicon, magnesium and titanium by the thermal a... | 04/02/1985 |
| 4508160 | Process for cooling in ingot during continuous casting The cooling of a continuously cast ingot of metal as it emerges from the mold is carried out by applying coolant directly to the ingot surface. In order to reduce the amount of curvature at the foot of the ingot due to too rapid cooling, a substance which... | 04/02/1985 |
| 4503627 | Apparatus for the treatment of flaky or granulated material with gases or vapors in a continuous countercurrent process The invention relates to apparatus for gentle thermal treatment of flaky or granulated material with vapors in continuous operation, wherein the vapors are introduced from the bottom and conducted in countercurrent to the material falling downwardly by gr... | 03/12/1985 |
| 4500580 | Taping doughnut A taping paper for sealing a gap formed by a piece of sheetrock and an object piercing the sheetrock wherein a substantially flat substrate having a central axis and an outer peripheral surface is provided with, in the preferred embodiment, a plurality of... | 02/19/1985 |
| 4498818 | Device for batch feeding of a fluidizable particulate material A silo for storing alumina having a conical outlet at the bottom thereof is fitted with an exchangeable feeding unit mounted over the conical outlet opening. The feeding unit is adapted to close off the outlet opening when in the non-operative position. T... | 02/12/1985 |
| 4498967 | Device for producing dispersion coatings The homogeneity of the electrolyte bath close to the surface to be coated is of great importance when depositing dispersion coatings by electrolyte co-precipitation of solid particles in suspension and at least one dissolved metal salt. Homogenous suspens... | 02/12/1985 |
| 4497260 | Flat pallet Flat pallets made up to now out of extruded sections which are joined together, sometimes with additional ribbing for extra strength, have often exhibited disadvantages during assembly and when being repaired or having parts exchanged. The reason for this... | 02/05/1985 |
| 4497525 | Container, in particular for transporting freight by air A freight container is disclosed which can be used for transporting stackable items and hanging items. The container is particularly stable and features at least one section which contributes to the load-bearing frame, runs transversely and features an un... | 02/05/1985 |
| 4495947 | High speed medical ventilator A swash plate assembly converts rotary motion to reciprocatory motion to reciprocate a diaphragm in a high frequency medical ventilator; the motor which drives the assembly is pivotally mounted for variation of the stroke of reciprocation thereby varying ... | 01/29/1985 |
| 4494735 | Apparatus for degassing molten metal A gas injection nozzle design for use in a swirling tank reactor used in the degassing of molten metal with a fluxing gas. The nozzle design eliminates metal leakage from the reactor around the nozzle tip and gas leakage within the fluxing gas delivery li... | 01/22/1985 |
| 4493428 | Freight container, in particular for air freight A freight container (1), in particular a lightweight container (1) for air freight, having a support frame structure (3) which is secured to a container bottom (2) and which is formed from shaped bars or like strut members and which is at least partially ... | 01/15/1985 |
| 4492670 | Process for manufacturing solid cathodes The solid cathodes built into reduction cells for aluminum production have at least one workface which can be wet by the precipitated metal. The starting materials, which contain titanium, boron and carbon in powder form, are first intimately mixed in suc... | 01/08/1985 |
| 4488979 | Hydraulic fluid A hydraulic fluid which contains 100 parts by weight of polyisobutylene, 3 to 15 parts by weight of butylstearate and 0.5 to 5 parts by weight of palm seed oil. It shows good compatibility with newly rolled aluminum surfaces and is therefore particularly ... | 12/18/1984 |
| 4487199 | Device for imparting continuous passive motion to human joints A portable apparatus for imparting continuous passive motion to a human joint. A support is provided for harnessing to parts of the body at one side of the joint and conveyor means movable relative to the support is provided for connection to a part at th... | 12/11/1984 |
| 4487756 | Process for manufacturing crystalline alumina The invention relates to a process for manufacturing crystalline alumina from aluminum hydroxide which after further conventional treatment is advantageously suitable for ceramic and refractory purposes or as a lapping and polishing agent. The process is ... | 12/11/1984 |
