Did You Know...
...that Charles Goodyear performed some of his experiments on rubber while in debtor's prison? He was there so often he referred to it as his "hotel". Chronically in debt because of poor business sense and ill health, Goodyear depended on the generosity of friends and family. Even after he unlocked the secret to vulcanizing rubber, he was unable to improve his financial situation. When he died, his estate was $200,000 in debt.
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| Number | Title | Issue Date |
| 7210570 | Device for the dynamic weighing of postal items The device for dynamically weighing postal items (P) comprises a plate (1) floatingly mounted on a weight sensor, and a conveyor belt mounted on the plate to move the postal items in a longitudinal direction (D) of the conveyor. The conveyor has two parallel ... | 05/01/2007 |
| 4972882 | Automatic weight sorting machine An automatic weight sorter used with a rotary container filling machine for sorting filled containers by weight. The filling machine has a rotary platform with a plurality of filling stations in which the containers, such as bottles, are supported for fil... | 11/27/1990 |
| 4849175 | Apparatus for automatically determining certain characteristics of cement A method and apparatus for automatically measuring the grain fineness, the gypsum content and the limestone content of a cement sample. A first fraction of the sample is loaded by a vibrating hopper into a crucible resting on an automatic scale. This crucible ... | 07/18/1989 |
| 4715412 | Method and apparatus for check-weighing charges for containers Method and apparatus for check-weighing a product charge in a continuously operating conveyor system without interrupting the operation and without having extra empty containers in the system after a check-weigh has occurred. Containers are fed forward in... | 12/29/1987 |
| 4522788 | Proximate analyzer The specification discloses a proximate analyzer for the analysis of fossil fuels such as coal and coke. The analyzer includes a temperature-controllable and atmosphere-controllable furnace chamber, a balance having a weigh platform positioned within the ... | 06/11/1985 |
| 4519506 | Rotary weigh-sorter Rotary weighsorter comprising a frame, a driving turret supported on a vertical shaft, a plurality of containers, each connected by a radial arm to the turret, a pivot connection between the arm and both the turret and the container having horizontal pivo... | 05/28/1985 |
| 3995668 | Net weight filler This invention relates to a new and useful apparatus that incorporates the precision and accuracy of net weight fillers with the speed and economy of volumetric fillers. The invention comprises means for receiving a flowable product, said means being conn... | 12/07/1976 |
