Patents by Inventor James A. Maass

James A. Maass 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).

  • Air logic circuit for airfeed peck drill
    Patent number: 5222844
    Abstract: An improvement to an air logic circuit for an airfeed peck drill includes the insertion of an advance valve into the timer circuit. This advance valve generates a signal to actuate the timer circuit only after the drill quill has fed forward through rapid advance.
    Type: Grant
    Filed: December 30, 1991
    Date of Patent: June 29, 1993
    Assignee: Cooper Industries, Inc.
    Inventors: James A. Maass, John F. Stewart, Joseph F. Carter
  • Air logic circuit for airfeed peck drill
    Patent number: 4867617
    Abstract: An improvement to an air logic circuit for an airfeed peck drill includes the insertion of a retract valve between the command valve and the air motor.
    Type: Grant
    Filed: October 30, 1987
    Date of Patent: September 19, 1989
    Assignee: Cooper Industries, Inc.
    Inventors: James A. Maass, John F. Stewart, Joseph F. Carter
  • Nose piece for a peck drill
    Patent number: D309616
    Type: Grant
    Filed: October 30, 1987
    Date of Patent: July 31, 1990
    Assignee: Cooper Industries, Inc.
    Inventors: Joseph F. Carter, John F. Stewart, James A. Maass
  • Nose piece for airfeed peck drill
    Patent number: D315279
    Type: Grant
    Filed: October 30, 1987
    Date of Patent: March 12, 1991
    Assignee: Cooper Industries, Inc.
    Inventors: John F. Stewart, Joseph F. Carter, James A. Maass
  • Nose piece for airfeed peck drill
    Patent number: D315280
    Type: Grant
    Filed: October 30, 1987
    Date of Patent: March 12, 1991
    Assignee: Cooper Industries, Inc.
    Inventors: John F. Stewart, Joseph F. Carter, James A. Maass
  • Airfeed peck drill
    Patent number: D316508
    Type: Grant
    Filed: October 30, 1987
    Date of Patent: April 30, 1991
    Assignee: Cooper Industries, Inc.
    Inventors: John F. Stewart, Joseph F. Carter, James A. Maass, Russell D. Richardson