Patents by Inventor Roland C. Bean

Roland C. Bean has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4059911
    Abstract: A pair of laterally spaced plow discs are supported by a framework which is mounted resiliently adjacent each pair of support wheels of a center pivot irrigation system in position to engage the laterally spaced mounds of earth produced as the wheels form a depressed annular track in the soil during rotation of the irrigation system, the plow discs being disposed adjustably to direct the mounded earth back into the track and thereby level the ground.
    Type: Grant
    Filed: September 8, 1975
    Date of Patent: November 29, 1977
    Inventors: Roland C. Bean, Bruce L. Bean
  • Patent number: 4022331
    Abstract: A tank carrier for releasably mounting an anhydrous ammonia tank on a farm tractor includes a pair of relatively movable tank support members by which a tank is raised from the ground and held firmly against lateral displacement. In one form of the invention one of the support members of the pair comprises a pair of laterally spaced fluid pressure cylinders arranged to engage and elevate a tank from the ground, and the other support member of the pair comprises a pair of plates having contoured edges matching the confronting periphery of the tank.
    Type: Grant
    Filed: September 8, 1975
    Date of Patent: May 10, 1977
    Inventors: Roland C. Bean, Bruce L. Bean