Patents by Inventor Michael Rukamp

Michael Rukamp 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).

  • Publication number: 20220095537
    Abstract: A lawn mower includes a cutting deck with first and second cutting blades to form clippings beneath the cutting deck and a baffle system to direct the clipping through a discharge opening. The baffle system includes a baffle wall that at least partially surrounds the first and second cutting blades to define first and second cutting chambers. The baffle wall includes a front baffle wall portion having a front guide surface to guide the clippings from the first and second cutting chambers towards the discharge opening, and a rear baffle wall portion having a concave guide surface and an end positioned between the first cutting chamber and the discharge opening. A discharge transition area is positioned between the first cutting chamber and the discharge opening.
    Type: Application
    Filed: February 11, 2020
    Publication date: March 31, 2022
    Inventors: Michael Rukamp, Edward Boldt, Jr., Suzanne Zampaloni
  • Publication number: 20210378175
    Abstract: A utility machine, such as an outdoor power equipment unit such as a lawn mower, includes a work unit performing work in addition to motive power for the utility machine and a trailer occupied by an operator in a standing position. The operator may seamlessly step onto the trailer to operate the machine in stand-on mode and step off the trailer to operate the machine in walk-behind mode. The trailer remains in the deployed condition in both stand-on mode and walk-behind mode.
    Type: Application
    Filed: August 18, 2021
    Publication date: December 9, 2021
    Inventors: Thomas E. Phillip, Aric Hamburg, William D. Maile, Craig Key, Brent P. Berglund, Michael Rukamp, Andrew Donati, Jeffrey M. Berchem, John Adams
  • Patent number: 11116130
    Abstract: A utility machine, such as an outdoor power equipment unit such as a lawn mower, includes a work unit performing work in addition to motive power for the utility machine and a trailer occupied by an operator in a standing position. The operator may seamlessly step onto the trailer to operate the machine in stand-on mode and step off the trailer to operate the machine in walk-behind mode. The trailer remains in the deployed condition in both stand-on mode and walk-behind mode.
    Type: Grant
    Filed: August 9, 2017
    Date of Patent: September 14, 2021
  • Publication number: 20190166758
    Abstract: A utility machine, such as an outdoor power equipment unit such as a lawn mower, includes a work unit performing work in addition to motive power for the utility machine and a trailer occupied by an operator in a standing position. The operator may seamlessly step onto the trailer to operate the machine in stand-on mode and step off the trailer to operate the machine in walk-behind mode. The trailer remains in the deployed condition in both stand-on mode and walk-behind mode.
    Type: Application
    Filed: August 9, 2017
    Publication date: June 6, 2019
  • Publication number: 20180105207
    Abstract: A work machine includes a machine frame, a prime mover supported by the machine frame, and wheels rotatably coupled to the machine frame and driven by the prime mover. The wheels are supported on a ground surface. The work machine further includes a steering assembly having a pivot frame pivotally coupled to the machine frame about a pivot axis. The steering assembly is pivotable about the pivot axis relative to the machine frame to turn the work machine. The steering assembly also includes a damping mechanism positioned between the pivot frame and the machine frame to inhibit oscillations.
    Type: Application
    Filed: October 19, 2017
    Publication date: April 19, 2018