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 |
| 7455020 | Method and apparatus for seeding canola and flax A method for seeding flax seeds and canola seeds includes: with a plurality of side banding furrow openers, depositing seeds into a corresponding plurality of seed furrows; with each side banding furrow opener, depositing phosphate fertilizer in a corresponding side... | 11/25/2008 |
| 7395770 | Agricultural additive dispensing apparatus A ground working apparatus for dispensing an agricultural additive to the soil is provided. The apparatus is mounted to a tool bar that is operable to be towed across an agricultural field. The apparatus includes a coulter blade in combination with a knife element, ... | 07/08/2008 |
| 7213523 | Agricultural additive dispensing apparatus A ground working apparatus for dispensing an agricultural additive to the soil is provided. The apparatus is mounted to a tool bar that is operable to be towed across an agricultural field. The apparatus includes a coulter blade in combination with a knife element, ... | 05/08/2007 |
| 7159523 | Method and apparatus of agricultural field seeding A seeding and fertilizing apparatus comprises a plurality of seed assemblies each comprising a trailing arm pivotally connected at a front end thereof to the frame and a packer wheel rotatably attached to rear end thereof. A seed knife is attached to the trailing ar... | 01/09/2007 |
| 7152539 | Fertilizer injector wing for disc openers Disc openers (14) for use with an air seeder (10) are configured for seeding and fertilizing a field (G). The opener (14b) broadly includes a coulter disc (20), a seed boot (24), and a fertilizer injector wing (26). T... | 12/26/2006 |
| 7096803 | Seed boot opener having interchangeable dispensers A seed boot having a modular or replaceable opener removably fastened to the seed boot. The opener is configured in any of several embodiments for discharging a fluent material such as seed in different ways, including narrow single row, wide single row, and double ... | 08/29/2006 |
| 7004090 | Fertilizer injector wing for disc openers Disc openers (14) for use with an air seeder (10), are configured for seeding and fertilizing a field (G). The opener (14b) broadly includes a drawbar assembly (16), a disc assembly (18) including a coulter disc (20) ... | 02/28/2006 |
| 6990911 | Seed planting assembly and liquid application device for same A planting assembly including a frame, a furrow opening mechanism, a seed tube for directing a seed into a furrow, a liquid source, a liquid delivery conduit having a delivery end, and a furrow closing mechanism. An adapter is configured for mounting to the seed tub... | 01/31/2006 |
| 6966270 | Seeding tool A seeding tool for depositing seeds and fertilizer within a furrow including a knife opener having a liquid wing projecting from the side thereof for providing and maintaining spacing between the seeds and fertilizer. Preferably, the liquid wing is a tungsten carbid... | 11/22/2005 |
| 6302040 | In-line sub-surface seeding, fertilizing and watering device A sub-surface seeding, fertilizing and watering device includes an opening blade having first and second sides extending between a leading edge and an aft edge. The opening blade has an upper surface and a lower surface extending between upper and lower e... | 10/16/2001 |
| 6182587 | In-line sub-surface seeding, fertilizing and watering device A sub-surface seeding, fertilizing and watering device includes an opening blade. The opening blade has first and second sides extending between a leading edge and an aft edge on the blade. The first and second sides are generally symmetrical to each othe... | 02/06/2001 |
| 6178900 | Combination chisel plow and fertilizer placement apparatus A fertilizer applicator assembly for use with a chisel plow includes a diverter shoe located in the root zone of the crop, above the tillage point of the plow. The diverter shoe closes the furrow formed by the plow shank and forms a lateral pocket in the ... | 01/30/2001 |
| 6116172 | Shank-mounted row chop opener A shank-mounted opener assembly connected to a seed distribution system is provided for both till and no-till operations. The opener assembly includes a spike member that is supported on the shank, a firming point, a seed sensor connected to the seed supp... | 09/12/2000 |
| 6082274 | Liquid dispenser for seed planter with diverter The present invention is a planter which embeds planted seeds into the ground and then dispenses liquid in the vicinity of the embedded seeds. The planter includes a flexible arm which drags upon the ground and presses the deposited seeds into the ground ... | 07/04/2000 |
| 5537942 | Apparatus for simultaneously seeding and fertilizing agricultural crops An apparatus for simultaneously seeding and fertilizing agricultural crops is described which includes a seeding blade having opposed sides, a knife-like leading edge, a trailing edge and a bottom edge. A seed conduit is disposed along the trailing edge o... | 07/23/1996 |
| 5033398 | Air seeder boot An air seeder boot includes a rigid pipe connected to the seed tube of the seeder and mounted to the back side of the cultivator shank by a bracket fixed to the front of the pipe. The pipe has an obtuse bend bringing the seed outlet to a position at appro... | 07/23/1991 |
| 5025736 | Furrow opener A furrow opener and press wheel for an agricultural implement to place fertilizer and seed at different depths in soil has replaceable abrasive resistant plastic side plates and a press plate to avoid soil build up and plugging of fertilizer discharge ope... | 06/25/1991 |
| 4409910 | Method and apparatus for planting seeds while conditioning soil Method and apparatus for planting seeds in a field. An anti-cohesion liquid chemical is injected at 30 to 50 p.s.i. into a narrow ribbon of soil, no more than two inches wide and two inches deep. Immediately thereafter, the soil ribbon is vigorously agita... | 10/18/1983 |
| 4345531 | Apparatus and method for cultivating land A method and apparatus of treating or cultivating soil consists of a mobile chassis which when propelled over the ground, has means for removing a predetermined amount of soil from the ground to create an open trench therein, tilling the removed soil and ... | 08/24/1982 |
| 4285284 | Seeder with pivoting soil breakers A soil cultivating implement has a row of pivotable soil working members linked to a transverse beam of the frame and individual eccentrics are connected to the members to raise and lower soil engaging portions thereof. The portions are pivoted so that th... | 08/25/1981 |
| 4244522 | Liquid storage and distribution apparatus for agricultural implements Apparatus for storing and distributing a liquid from a mobile agricultural implement is provided. The apparatus includes an improved vent structure carried in the upper portion of fluid storage tanks supported on the implement, with the vent structure bei... | 01/13/1981 |
| 4145980 | Seeder for planting seeds at precise intervals An automatic seeder for planting tiny seeds at a consistent depth and at evenly spaced intervals, utilizing a vehicle carrying a novel seed dispersing means operationally disposed a short, preascertained distance above a seed bed. A ground sensing arrange... | 03/27/1979 |
| 3976017 | Leguminous plant inoculation process and apparatus A process and apparatus used in inoculating leguminous plants with nitrogen fixing bacteria is disclosed. The process involves the preparation of an aqueous dispersion of the bacteria from a suitable source material and its dispensation to the soil in the... | 08/24/1976 |