1
Howard B Johnson: Automatic header adjustment for harvesters. Johnson Farm Machinery Co, Townsend and Townsend, February 27, 1979: US04141200 (38 worldwide citation)

A vine crop, e.g. tomato harvester is disclosed which has a crop processing mechanism that is movable through a field and a rearwardly and upwardly inclined elevator or header that is pivotally connected to a forward end of the processing mechanism. A leading edge of the elevator is proximate the gr ...


2
William E Turold, Marvin O Cufaude, Frank A Diaz, Robert A Hanson: Fresh market tomato harvester. Johnson Farm Machinery Co, Townsend and Townsend, April 21, 1981: US04262477 (28 worldwide citation)

A fresh market tomato harvester comprises a leading knife for severing tomato plants, an inclined ascending conveyor for transporting the cut plants upwardly onto the harvester, a shaker bed for removing the tomatoes from the vines, transverse cross conveyors for receiving the tomatoes after they ha ...


3
Robert G Husome, Ron J Fleming, Ron E Swanson: Color sorting system. Johnson Farm Machinery Co, Acurex Corporation, Townsend and Townsend, December 26, 1978: US04131540 (28 worldwide citation)

A tomato sorter is described for removing culls, e.g. green tomatoes from the good, red tomatoes. An image of each tomato passing the station is formed on a light diffusing plate. Diffused light from the plate is divided into first and second light beams from which all but the red and the green ligh ...


4
Howard B Johnson: Johnson Farm Machinery Co, Townsend and Townsend, April 10, 1990: US04915671 (12 worldwide citation)

An apparatus and method is disclosed for threshing seed crop, such as wheat, barley, rice, corn, beans and many others, by moving the seed crop circumferentially through a trough-shaped screen with openings through which the kernels can pass. A rotatable hub and a multiplicity of tines which project ...


5
Johnson Roy W: Intermittent drive for conveyors and the like. Johnson Farm Machinery Co, March 20, 1973: US3721132 (4 worldwide citation)

An intermittent drive for periodically varying the speed and, if desired, the direction of a driven member comprising a driven shaft and a drive shaft coupled via a belt, a chain or the like. The driven shaft is stationary while the drive shaft is mounted to a pivoting frame. A wheel disposed betwee ...


6
Milton Anthony Borchard: Apparatus and method for removing plant stalks from a field and shredding the plant stalks. Johnson Farm Machinery Co, Thomas R Lampe, February 13, 2001: US06185919 (2 worldwide citation)

A system for removing plant stalks from a field and shredding the plant stalks. The plant stalks are cut and passed through feed rollers which directly feed the plant stalk to a shredder. Compression of the plant stalks by the feed rollers increases as the plant stalks slide between the feed rollers ...


7


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