Celebrity Inventors
Lawrence Welk, the bandleader who entertained millions of Americans over a generation of broadcasting his TV show, once received a patent: for a music-themed design of an ashtray.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 7025115 | Ladle for molten metal A method and apparatus for the quiescent-fill dip of a foundry ladle and the transportation of molten material from a crucible to a mold through a foundry pour basin. Advantages from this process include, among others, a design which minimizes or eliminates turbulen... | 04/11/2006 |
| 7021361 | Molten metal feed apparatus of die casting machine, molten metal feed method, and ladle A molten metal feed apparatus of a die casting machine preventing shortening of the lifetime of a sleeve due to local heating of the sleeve, provided with a ladle having a receptacle for holding the molten metal and a conveyor system for conveying the ladle to a pre... | 04/04/2006 |
| 6779585 | Method for controlling ladle motion to reduce aluminum oxide formation A method for filling a ladle cup of a ladle assembly with molten aluminum to reduce formation of aluminum oxides. The ladle cup is rotated into alignment with an axis of a ladle arm, which carries the ladle cup, such that a plane defined by the ladle cup rim is gene... | 08/24/2004 |
| 5131452 | Method and apparatus for the dosed removal molten metal out of a melt vessel The volume of melt within the ladle dipper is maintained essentially unchanged in its position relative to the volume of melt remaining in the holding crucible during the ladling operation in order to avoid undesirable turbulence and the formation of foam... | 07/21/1992 |
| 4842171 | Metering casting ladle A small, simple tool used to meter precise volumes of molten metal. It has been effectively utilized by the bullet caster to make expandable projectiles for hunting. This is accomplished by using the tool to meter a small volume of molten soft lead alloy ... | 06/27/1989 |
| 4564175 | Molten metal transfer crucible with external filter The molten metal transfer crucible of the present invention filters molten metal during transfer of the molten metal to a receptacle such as a mold. The molten metal transfer crucible of the present invention is fitted with an external removable filter bl... | 01/14/1986 |
| 4516699 | Automatic ladling apparatus An automatic ladling apparatus for conveying molten metal from a furnace to a die casting machine or the like. The ladle dipper is carried through its ladling cycles by means of cooperating link assemblies mounted on an upright base or pedestal. The assem... | 05/14/1985 |
| 4474315 | Molten metal transfer device A molten metal transfer device for withdrawing a selected quantity of molten metal from a bath includes structure defining a chamber disposed within the bath, the chamber including a first opening through which molten metal can flow from the bath into the... | 10/02/1984 |
| 4444377 | Molten metal transfer crucible The improved crucible of the present invention both filters molten metal during the transfer of the molten metal from a supply receptacle such as a melting furnace to a receiving receptacle such as a mold. The transfer crucible of the present invention ma... | 04/24/1984 |
| 4353406 | Metal casting machine The machine has a casting ladle mounted rotatably on a movable support member which conveys the ladle between a filling station and at least one casting station. The movable member carries a motorized rotary disc cam cooperating with a cam-follower which ... | 10/12/1982 |
| 4289259 | Automatic ladler Automatic ladle systems adapted for use in metal die casting operations are disclosed herein. In a preferred form the invention comprises a rigid, supporting base on which a control platform is rotatably mounted for radially moving a ladle between a metal... | 09/15/1981 |
| 4219139 | Bottom pouring crucible A device for metering and transferring liquid metals. It includes a supporting structure and a hollow sleeve open at both ends on the supporting structure. A pouring spout is on one end of the sleeve and has a passageway therethrough communicating with th... | 08/26/1980 |
| 4176693 | Apparatus and method of operating An apparatus has means for containing a level of flowable hardenable material therein, and means is selectively operable for carrying a predetermined amount of the hardenable material from the level thereof in the containing means to a preselected positio... | 12/04/1979 |
| 4078707 | Dipping type molten metal feeding apparatus A ladle of an automatic molten metal feeding apparatus of a die-casting machine is supported by a pair of links which are driven in synchronism with a constant velocity relation whereby a lateral shift range of the pouring end of the ladle is regulated.... | 03/14/1978 |
| 4074837 | Automatically operating casting ladle apparatus An automatically operating casting ladle apparatus for the scooping up and delivery of an exactly measured amount of molten metal to die-casting machines, casting molds, etc., in which an exact positioning of the casting ladle is ensured, on the one hand ... | 02/21/1978 |
| 4022359 | Ladling apparatus A ladling apparatus for picking up a preselected amount of molten metal from a bath, and for transferring and pouring this molten metal into the cold chamber of a die casting machine. The apparatus includes an elongated transfer arm which is swingably mov... | 05/10/1977 |
