Did You Know...
...that to encourage use of his new invention, the shopping cart, market owner Sylvan Goldman hired fake shoppers to push the carts around his store in Oklahoma City? Seems his customers were reluctant to give up their hand-carried baskets.
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| Number | Title | Issue Date |
| 4661178 | Beta copper base alloy adapted to be formed as a semi-solid metal slurry and a process for making same A predominately beta phase copper base alloy which is adapted for forming in a semi-solid slurry condition. The alloy has a microstructure comprising discrete particles within a lower melting point matrix and consists essentially of from about 9% to about... | 04/28/1987 |
| 4594117 | Copper base alloy for forging from a semi-solid slurry condition A process and apparatus for forming a thin-walled, elongated member having superior strength properties from an age hardenable copper base alloy consisting essentially of about 3% to about 20% nickel, about 5% to about 10% aluminum, and the balance essent... | 06/10/1986 |
| 4589938 | Single phase copper-nickel-aluminum-alloys Novel gold colored copper alloy compositions of single phase crystal structure possessing a combination of good cold and hot workability, excellent ductility and excellent corrosion, pitting, and tarnishing resistance. The compositions contain between abo... | 05/20/1986 |
| 4585494 | Beta copper base alloy adapted to be formed as a semi-solid metal slurry and a process for making same A predominately beta phase copper base alloy which is adapted for forming in a semi-solid slurry condition. The alloy has a microstructure comprising discrete particles within a lower melting point matrix and consists essentially of from about 9% to about... | 04/29/1986 |
| 4569702 | Copper base alloy adapted to be formed as a semi-solid metal slurry A precipitation hardenable copper base alloy adapted for forming in the semi-solid slurry condition consists essentially of from about 5 to about 8% by weight nickel, from about 5 to about 7.5% by weight aluminum, from about 0.5 to about 1.25% by weight s... | 02/11/1986 |
| 4518444 | Material which is at least partially made from a constituent having a one-way shape memory effect and process to produce said material Material, in the form of bars, tubes, profiles, wires, sheets, or bands, which is, at least partially, composed of a constituent showing a one-way shape memory effect, and a further inactive constituent hindering the one-way effect of the first, and which... | 05/21/1985 |
| 4517033 | Contact material for vacuum circuit breaker A contact material for a vacuum circuit breaker consists essentially of copper as the basic component, and, as the other components, 35% by weight or below of chromium and 50% by weight or below of tantalum, the total quantity of chromium and tantalum in ... | 05/14/1985 |
| 4398969 | Shape-memory alloy based on copper, zinc and aluminum and process for preparing it A fine-grained shape-memory alloy of the Cu/Zn/Al type, prepared by powder metallurgy, exhibiting the beta-high temperature phase, having dispersed in the matrix dispersoids in the form of Y2 O3 and or TiO2 particles which... | 08/16/1983 |
| 4395295 | Process for treating copper-aluminum-silicon alloys to improve fatigue strength A process for improving the fatigue strength and fatigue life of a substantially single phase copper-aluminum-silicon alloy is described. The process comprises cold working the copper alloy from about 75% to about 98% and heating the alloy at a temperatur... | 07/26/1983 |
| 4146392 | Stable heat shrinkable ternary beta-brass type alloys containing manganese Those alloys falling within the area on a ternary diagram defined by the points: A. 82.9%cu; 12.5%Al; 4.6%Mn B. 81.1%cu; 11%Al; 7.9%Mn C. 80.8%cu; 9.1%Al; 10.1%Mn D. 78.6%cu; 8.6%Al; 12.8%Mn E. 77.9%cu; 11%Al; 11.1%Mn F. 79.5%cu; 12.5%Al; 8%Mn Are particularly suit... | 03/27/1979 |
| 4110132 | Improved copper base alloys The instant disclosure teaches a process for obtaining an improved combination of strength and bend properties in copper base alloys having low stacking fault energy. The process is characterized by a critical combination of cold reduction and annealing f... | 08/29/1978 |
| 4108692 | Rock bit roller cutter and method therefor In a rock bit, roller cutter body having plural hard metal inserts; the body is formed of an age-hardenable superalloy having dimensional stability through hardening enabling pre-drilling of the insert-receiving holes prior to hardening the body, and meth... | 08/22/1978 |
| 4025336 | Aluminum bronze having a good wear resistance The present aluminum bronze contains 4 to 12% by weight of aluminum, not more than 1% by weight of at least one of solid solution silicon and beryllium, and more than the eutectic composition in the equilibrium phase diagram for quasi-binary copper-alumin... | 05/24/1977 |
| 3995917 | Aluminum bronze bearing A bearing and bearing material adapted for use with a relatively movable bearing member or bearing material having a considerably greater hardness, the bearing material of the invention comprising aluminum bronze which is heat treated to create therethrou... | 12/07/1976 |
| 3976479 | Alloy solution hardening with solute pairs Solution hardened alloys are formed by using at least two solutes which form associated solute pairs in the solvent metal lattice. Copper containing equal atomic percentages of aluminum and palladium is an example.... | 08/24/1976 |
