Did You Know...
...that the Eveready Battery began as an invention called the "electric flowerpot," which was a tube with a battery and light bulb inside? The idea was to fasten this gizmo to the side of a flowerpot so it would illuminate the flowers from the bottom. The idea died on the vine and the businessman who licensed the flower pot, Conrad Huber, was left with a pile of useless tubes -- until he found a way to market them as batteries to light the world!
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| Number | Title | Issue Date |
| 6024804 | Method of preparing high nodule malleable iron and its named product The invention is a malleable iron comprising about 250 to 400 nodules of graphite per square millimeter as observed in a photomicrograph at 100×, and a Brinell hardness of about 195 to 550 BHN. Preferably, the malleable iron further comprises sulfur and ... | 02/15/2000 |
| 5439535 | Process for improving strength and plasticity of wear-resistant white irons Composition and process for the manufacture of wear-resistant white iron, and articles made therefrom. A melt is solidified that contains iron, carbon and at least two carbide forming elements selected from silicon, manganese, chromium or mixtures thereof... | 08/08/1995 |
| 4410373 | Process for heat treatment of a metal workpiece A process for heat treatment of a metal workpiece, such as a casting (steel, aluminum based alloy or white cast iron). The casting is heated in a fluidized particulate bed (sand) to a relatively constant first temperature. Then, the casting is held (e.g.,... | 10/18/1983 |
| 3961994 | Manufacture of grinding members of ferrous alloys Forged grinding members and a method for their manufacture from white cast iron having a high chromium content comprising heating a bar of white cast iron of 1.5% to 3% by weight carbon, 8 to 25% by weight chromium, 0% to 2% by weight molybdenum at a temp... | 06/08/1976 |
