...that power steering was invented by independent inventor Francis W. Davis? As chief engineer in the 1920s of the truck division of the Pierce Arrow Motor Car Company, he saw how hard it was to steer heavy vehicles. So that he would be able to keep the profits from his future invention, Davis left his job, rented a small engineering shop in Waltham, Mass., and developed a hydraulic power steering system that led to power steering.
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| Number | Title | Issue Date |
| 8171639 | Decorative bracelet and method of fabrication A decorative article such as a bracelet is formed from one or more elastomeric cords and one or more braiding cords. Generally, the elastomeric cords provide a structure around which one or more braiding cords may by arranged, and upon which one or more decorative e... | 05/08/2012 |
| 7414221 | Memorializing wristband jewelry A memorialization wristband jewelry includes an elongated semi-flexible metal plate strip having an top surface and a lower surface and a paint material applied in a generally even layer to the top surface of the metal plate strip. A memorialization image is formed ... | 08/19/2008 |
| 7036338 | String of beads A string of beads with deformable connecting pieces which extend between each pair of adjacent beads and which are secured to the beads, wherein the connecting pieces are plastics threads or flexible wires. ... | 05/02/2006 |
| 6993841 | Process for the production of filled wire and plate strip to create bi-color ornamental items as well as similarly made items A ribbon of color A metal is combined with a thin layer of soldering alloy, bent and soldered to form a tube, it is then filled with a core of color B metal. The compound is then drawn and/or laminated until it is transformed into a long ribbon or into a wire, exter... | 02/07/2006 |
| 6968671 | Lightweight OMEGA chain and improved method of manufacture A method of manufacturing jewelry and a chain article formed therefrom that results in a product substantially lighter than its solid counterpart. A length of wire mesh or woven wire type of “fabric” having a hollow seamed wire with a non-precious core of a widt... | 11/29/2005 |
| 6910273 | Manufacturing method for jewelry including shape memory alloy elements A method of manufacturing jewelry pieces formed entirely or partially of a shape memory alloy provided with a pre-determined memory shape, where the shape memory characteristic and/or the superelastic characteristic of the alloy is used either in the construction of... | 06/28/2005 |
| 6860097 | Lightweight omega chain and improved method of manufacture A method of manufacturing jewelry and a chain article formed therefrom that results in a product substantially lighter than its solid counterpart. A length of wire mesh or woven wire type of “fabric” having a hollow seamed wire with a non-precious core of a widt... | 03/01/2005 |
| 6615491 | Ion processed stylish ornament An ornament is provided that is useful in causing negative ions to be generated from the surface, thereby improving the immunity strength, improving psychological stability and bodily functions, improving the discharge of egesta and the function of the re... | 09/09/2003 |
| 6601301 | Jewelry formed by sections of multiply colored elements and process for making the same Process for making jewels such as necklaces, bracelets or the like with different colors on at least two of their faces in sight so that a user can choose to put on the necklace or jewel so as to show one face or the other of the jewel according to the wi... | 08/05/2003 |
| 6477861 | Beaded ornament and arrangement for and method of making same An ornament such as a bracelet, necklace or like jewelry is made by turning one bight end portion of a closed loop on which beads have been threaded relative to an opposite bight end portion. The beads are held in a fixed relation by twisted rail portions... | 11/12/2002 |
| 6344103 | Sublimation process of transferring a decal to surface of a watch case A sublimation decalcomania of the surface of a watch case includes a first step in which the surface of the watch case is provided with a coating before the watch case and a decal-bearing paper are held in a plastic bag. The plastic bag containing the coa... | 02/05/2002 |
| 6026572 | Manufacture of a jewelry ring having inner lips at edges thereof and being elongated and shaped by a roller assembly to strengthen the same A ring is formed by first inverting a washer comprising a substantially planar annular member with an outer circumference and a central opening defining an inner circumference, an inner lip extending from one side of the annular member at the inner circum... | 02/22/2000 |
| 6019860 | Method for fixing two elements together, in particular links of a metal wristwatch strap Method for fixing two elements together, in particular links (1) of a metal wristwatch strap, according to which a metal pin (2) made of a moulding memory alloy with large hysteresis--programmed such that it turns from the martensitic structure to the aus... | 02/01/2000 |
| 5887448 | Toy jewelry kit with assembly work stations A toy kit includes a ring base, a ring gem and/or a ring dome, and preferably a plurality of each component. A first work station for assembling a toy ring base with either a toy ring gem or a toy ring dome includes a base and an upright support structure... | 03/30/1999 |
| 5715589 | Jewelry fixture and method The jewelry fixture 10, 38, 60 includes a rigid support and a low temperature polymeric material. The configuration of the rigid support may be altered for supporting a pendant, earrings, a bracelet, a necklace or a ring thereon. The low temperature polym... | 02/10/1998 |
| 5655300 | Method of making stampato jewelry A process of forming a metal stampato jewelry piece includes stamping a sheet of metal to produce a hollow front section of a desired shape; stamping a sheet of metal to produce a back section including a ledge defining an opening, the ledge having an out... | 08/12/1997 |
| 5611144 | Method of manufacturing unique jewelry and article formed therefrom A method of manufacturing jewelry and a chain article formed therefrom which provides an embossed, decorative pattern in either surface of an omega-style chain. A length of wire mesh or woven wire type of "fabric" of a width and length corresponding gener... | 03/18/1997 |
| 5586390 | Method of making jewelry articles A method of manufacturing articles of jewelry such as bracelets of curved planar configuration which permits substantial savings of precious metal materials. The method includes the use of a corresponding punch and die set to form the material from planar... | 12/24/1996 |
| 5343608 | Method of forming an identification band A method of forming an identification band from a tube with a constant circular cross-section along the majority of its outer circumference. The tube holds an indicia, and the information on the indicia is magnified by the generally circular shape of the ... | 09/06/1994 |
| 4986067 | Process for the production of chains and other ornamental items made of a lined tube bar and of similar objects A process for the production of an elongated composite member of circular cross section, comprising producing a hollow metal tube having an inside diameter, inserting in the hollow tube an elongated core of circular cross section of a light-weight, tough ... | 01/22/1991 |
| 4769884 | Robotic apparatus for automatically assembling chains A robotic chain assembly which uses two clamps, a robot gripper and a computer with auxiliary stations. The assembly both measures and cuts the chain, secures fasteners to the ends of the chain and secures the fasteners one to the other.... | 09/13/1988 |
| 4562704 | Jewelry clasp A clasp is provided for a jewelry chain, particularly a chain adapted to hold interchangeable designer elements. The clasp has a male and a female member, the male member locking within the female member and being so sized that, when the clasp is opened, ... | 01/07/1986 |
| 4543803 | Lightweight, rigid, metal product and process for producing same A lightweight, rigid, metal product and a process for preparing such a product are disclosed in which a wire metal mesh is formed into a desired three-dimensional shape and is then electroplated to plate a metal thereon to fill the voids of mesh and provi... | 10/01/1985 |
| 4295640 | Jeweler's tool Mandrels for ring working and bracelet working are rigidly supported by a specially adapted mandrel holder secured to a supporting base. A chucking opening is provided in the holder for receiving the mandrel and a fastener is provided for securing the man... | 10/20/1981 |
| 4258459 | Machine for automatically preparing and introducing closure sliders inside annular hollow members for producing annular spring safety catches for necklaces, bracelets and the like A machine for preparing and introducing closure sliders inside annular hollow members for producing spring safety catches for necklaces and the like, consisting of two operative unitsets, each comprising a table rotatably mounted about a vertical axis and... | 03/31/1981 |
| 4238935 | Method for manufacturing a chain from the vertebra of an animal The invention relates to a method for manufacturing a chain or the like, particularly for ornamental use, wherein modules are made from one or more vertebrae taken from the vertebral column of an animal, presenting the same type of articulation as the ori... | 12/16/1980 |
| 4114398 | Process for producing articles of jewelry, trinketry and the like, made of metals of different colors A process for producing articles of jewelry, trinketry and the like, such as rings, necklaces, bracelets and the like starting from a composite tubular element made of different elements, characterized by the fact that it comprises the following steps of:... | 09/19/1978 |
| 4077099 | Machine for the production of helical springs and for their introduction into hollow annular safety catches for necklaces Apparatus for inserting helical springs into annular safety catches including a revolving table, four pliers units positioned on the periphery of the table, a first station for feeding catches, a second station where a helical spring is inserted in a catc... | 03/07/1978 |
| 4016741 | Bracelet domer A hand powered machine forms jewelry blanks into domed bracelets between guided toroidal convex hammer and concave anvil. The shaping of the bracelet is by a combined pressing and pounding action.... | 04/12/1977 |