Did You Know...
...When G.G. Hubbard learned of his future son-in-law's invention, he called it "only a toy." His daughter was engaged to a young man named Alexander Graham Bell.
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| Number | Title | Issue Date |
| 6145517 | Method of removing agglomerations of polyethylene from reactor A method of removing a solidified body of polyethylene from a Unipol reactor using a robotic apparatus extended through a porthole on top of the reactor.... | 11/14/2000 |
| 5564347 | Ash clinker ramming apparatus An apparatus mounted to an enclosure housing of a water entrained ash hopper for dislodging ash pluggages across an ash discharge opening in the ash hopper to maintain passage of ash from the ash hopper. The apparatus comprising a plate rotatably and seal... | 10/15/1996 |
| 4820382 | Method and apparatus for removing solids from an upwardly moving bed chamber A method for forming a terraced structure in the upper surface of a particulate solid bed, typically oil shale, moving upward through an upflow retort and removing particulate solids from the upper surface, which includes rotating a scraping means compris... | 04/11/1989 |
| 4416624 | Vertical tunnel kiln A vertical tunnel kiln (10) comprising a firing kiln (30) having a interior core (42) supporting a spiral chute (46) attached to the periphery of the core (42). A vibratory bowl feeder (20) automatically feeds parts (100) individually to the upper end (24... | 11/22/1983 |
| 4407489 | Apparatus for discharging hot flowable solids from an upright container, particularly for discharging sponge iron from a shaft furnace A discharge implement is provided, which is operable to discharge sponge iron from a shaft furnace and constitutes the bottom structure of the shaft furnace and is formed with flow passages for a cooling liquid. In order to ensure a uniform discharge, the... | 10/04/1983 |
