Famous Patents
Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 4926749 | Rotary compaction of fibrous material In a compression device 100 (FIG. 1), two shafts 4,6 carry double lobed packers 5,101 which force crop through a throat formed by static elements 7,8 into a chamber 9. The packers are intermeshed and angularly displaced around their shafts to reduce the d... | 05/22/1990 |
| 4490968 | Baling apparatus Baling apparatus including a support portion including a carriage section with a base section, a pair of upstanding sections and a hitch section; a forage pickup portion including a generally cylindrical rake rotatably disposed below the base section on a... | 01/01/1985 |
| 4302923 | Method for making large rectangular bales Layers of fibrous material are deposited in a bale forming chamber in continuous folded-like arrangement. The deposition and compaction of the subsequent folded-like layers is accomplished in a continuous process in which the bale forming chamber and the ... | 12/01/1981 |
| 4270446 | Bale forming apparatus This invention pertains to a bale forming apparatus for making rectangular bales from fibrous materials, such as, agricultural crops and industrial products. The principle mechanism consists of; a bale forming chamber and a feeder-compactor mechanism whic... | 06/02/1981 |
