Patents by Inventor Stanley E. Thorwaldsen

Stanley E. Thorwaldsen 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: 4185867
    Abstract: A visor structure is provided for the cab of a harvester which has horizontal parts which extend forwardly and laterally outwardly from the top of the cab to approximately the tread of vehicle and approximately to the lateral extremities of the grain bin mounted immediately behind the cab. The visor structure supports forwardly directed operating lights and rear view mirrors. The cab is provided with an access door at one lateral side and a walkway extends laterally outwardly therefrom. The visor structure does not extend over the walkway, thus freely permitting operator ingress and egress. The visor structure also includes a part extending forwardly from the cab. The top of the visor structure, the top of the cab and the top of the grain bin lie substantially in a common horizontal plane.
    Type: Grant
    Filed: May 8, 1978
    Date of Patent: January 29, 1980
    Assignee: Allis-Chalmers Corporation
    Inventors: William M. Schmidt, Stanley E. Thorwaldsen, David C. McElroy, Stephen G. Miggels
  • Patent number: 4041679
    Abstract: A self-propelled rotary lawn mower. The drive shaft of the engine is operably connected through a clutch mechanism to the cutting blade and to a belt drive connected the front wheels to drive the mower across the terrain. By disengaging the clutch through manual action of a cable, the driving connection to both the blade and the wheels is stopped, so that the blade will not rotate when the mower is stationary. The housing of the mower includes inner and outer housing sections with the space between the housing sections defining a chamber. The exhaust gases from the engine are directed into the chamber and are discharged from the chamber adjacent the grass discharge outlet in the housing. Directing the exhaust gases through the internal housing chamber substantially decreases the noise level of the mower. The four wheels of the mower are adapted to be raised and lowered in unison by single lever control to thereby vary the height of the blade above the ground.
    Type: Grant
    Filed: March 25, 1975
    Date of Patent: August 16, 1977
    Assignee: Lester H. Seifert
    Inventors: Lester H. Seifert, Raymond P. Powers, William M. Schmidt, Stanley E. Thorwaldsen, Frederick W. Smith
  • Patent number: D246974
    Type: Grant
    Filed: April 16, 1976
    Date of Patent: January 17, 1978
    Assignee: Sycor, Inc.
    Inventors: Stanley E. Thorwaldsen, David McElroy
  • Patent number: D272710
    Type: Grant
    Filed: December 1, 1981
    Date of Patent: February 21, 1984
    Assignee: Thor Power Tool Company
    Inventors: Milton J. Antonick, Stanley E. Thorwaldsen
  • Patent number: D275199
    Type: Grant
    Filed: January 4, 1982
    Date of Patent: August 21, 1984
    Assignee: Allis-Chalmers Corp.
    Inventors: William M. Schmidt, Robert Demick, Stanley E. Thorwaldsen
  • Patent number: D279569
    Type: Grant
    Filed: January 4, 1982
    Date of Patent: July 9, 1985
    Assignee: Allis-Chalmers Corporation
    Inventors: Stephen G. Miggels, Stanley E. Thorwaldsen