Patents by Inventor Douglas S. Hardesty

Douglas S. Hardesty 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: 6827357
    Abstract: A janitorial cart having zone separation to separate storage areas from water zones to help maintain clean and dry storage areas. Basically, a central trash unit separates the water zone from the supply storage zone. Additionally, an enclosed trash compartment is used to conceal a trash collection bag and improved the appearance of the janitorial cart when being used. The enclosed trash compartment is positioned above a pair of large central wheels for improved stability.
    Type: Grant
    Filed: February 6, 2002
    Date of Patent: December 7, 2004
    Assignee: Akro-Mils, a division of Myers Industries Company
    Inventors: Randall W. Calmeise, Douglas S. Hardesty
  • Publication number: 20040090029
    Abstract: A dolly with removably attachable riser blocks in which the connectors for attaching the riser blocks to the upper surface of the dolly are separate and distinct from the connectors used to attach the casters on the lower surface of the dolly. The dolly is comprised of a plastic frame having a top surface, bottom surface, a pair of longitudinal side members and a pair of transverse side members intersecting to form corners of the frame, constituting a generally rectangular shape. A caster is attached to each corner on the bottom of the frame with fasteners. At least one riser block is removably attached to the top surface of the frame on at least one of the transverse side members. The riser block is attached with riser block fasteners that are separate from the fasteners used to attach the casters, providing a dolly with removable risers.
    Type: Application
    Filed: September 17, 2003
    Publication date: May 13, 2004
    Applicant: Akro-Mils, A Division of Myers Industries Co.
    Inventor: Douglas S. Hardesty
  • Publication number: 20030122331
    Abstract: A compact cleaning cart for efficient cleaning that transports a vacuum cleaner, cleaning equipment, and a mop bucket or refuse container from the storeroom to the cleaning area, all in one trip. The compact size and contoured shape of the cleaning cart make it highly maneuverable in tight areas. The cleaning cart includes a rear vacuum cleaner platform for a vacuum cleaner and a front platform for a mop bucket or refuse container. A top shelf includes a zippered vinyl refuse bag to conceal trash. A plastic trash liner is preferably used within the vinyl refuse bag. A deep storage pocket, utility hooks, handle holes and handle slot, molded in top shelf, are provided for cleaning supplies, broom handles, bottles, dusters, etc.
    Type: Application
    Filed: January 16, 2003
    Publication date: July 3, 2003
    Applicant: Akro-Mils, A Division of Myers Industries Inc
    Inventors: Alex P. DiGiacomo, Douglas S. Hardesty
  • Publication number: 20020109318
    Abstract: A janitorial cart having zone separation to separate storage areas from water zones to help maintain clean and dry storage areas. Basically, a central trash unit separates the water zone from the supply storage zone. Additionally, an enclosed trash compartment is used to conceal a trash collection bag and improved the appearance of the janitorial cart when being used. The enclosed trash compartment is positioned above a pair of large central wheels for improved stability.
    Type: Application
    Filed: February 6, 2002
    Publication date: August 15, 2002
    Applicant: Akro-Mils
    Inventors: Randall W. Calmeise, Douglas S. Hardesty
  • Patent number: D469235
    Type: Grant
    Filed: February 6, 2002
    Date of Patent: January 21, 2003
    Assignee: Akro-Mils, a division of Myers Industries, Inc.
    Inventors: Randall W. Calmeise, Douglas S. Hardesty
  • Patent number: D481188
    Type: Grant
    Filed: January 16, 2003
    Date of Patent: October 21, 2003
    Assignee: Akro-Mils, a division of Myers Industries, Inc.
    Inventors: Alex P. DiGiacomo, Jr., Douglas S. Hardesty
  • Patent number: D630294
    Type: Grant
    Filed: March 2, 2007
    Date of Patent: January 4, 2011
    Assignee: Infiltrator Systems, Inc.
    Inventors: Douglas S. Hardesty, Bryan A. Coppes