Patents by Inventor Daniel C. Ertl

Daniel C. Ertl 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).

  • Vertical shaft pressure washer coupling assembly
    Patent number: 5494414
    Abstract: An apparatus for coupling a vertically oriented internal combustion engine to an axial piston pump for use with pressure washers. Attached to the lower surface of the engine is a circular flange with inwardly extending ribs which supports a pump attachment unit. The pump attachment unit is comprised of a series of concentric annular rings for an oil seal and thrust bearing and for pump attachment. The pump drive shaft slides over and is keyed to the engine drive shaft and has an annular lip for mating with the thrust bearing. The pump wobble plate is bolted to the lower end of the pump drive shaft.
    Type: Grant
    Filed: December 2, 1994
    Date of Patent: February 27, 1996
    Assignee: Mi-T-M Corporation
    Inventors: Eric E. Steinhart, Daniel C. Ertl
  • Portable cold water pressure washer
    Patent number: D375590
    Type: Grant
    Filed: August 12, 1994
    Date of Patent: November 12, 1996
    Assignee: Mi-T-M Corporation
    Inventors: Eric E. Steinhart, Daniel C. Ertl
  • Portable cold water pressure washer
    Patent number: D420773
    Type: Grant
    Filed: April 20, 1998
    Date of Patent: February 15, 2000
    Assignee: Mi-T-M Corporation
    Inventors: Daniel C. Ertl, Gregory J. Hillary