Patents Assigned to Greenmaster Industrial Corporation
  • Patent number: 5338271
    Abstract: The motions of mountain climbing and running are simulated by an exerciser having a pair of movable treadles which are connected to ropes that extend around plural pulleys and having free ends provided with handles which are gripped by the user and pulled during movement of the treadles to thereby exercise both the arms and legs. The treadles are connected to hydraulic cylinders which permit the treadles to be utilized independently of the ropes.
    Type: Grant
    Filed: August 17, 1993
    Date of Patent: August 16, 1994
    Assignee: Greenmaster Industrial Corporation
    Inventor: Leao Wang
  • Patent number: 5326339
    Abstract: An exercising machine carrying wheel assembly is disclosed including a tubular wheel frame, which has two central shafts aligned at two opposite ends, wheels respectively mounted on the central shafts and locked in place by cotter pins, washers respectively mounted on the central shafts and retained between the stepped wheels and respective inside flanges inside the tubular wheel frame, protective caps respectively covered on the wheels, and a mounting frame welded to the wheel frame at right angles, a mounting frame connected to the base of an exercising machine by screws for permitting it to be carried on the protective caps and moved from place to place.
    Type: Grant
    Filed: January 4, 1993
    Date of Patent: July 5, 1994
    Assignee: Greenmaster Industrial Corporation
    Inventor: Leao Wang
  • Patent number: 5324246
    Abstract: Disclosed is a physical exercising machine including a high pulley station, a scissor grip, a thigh & knee machine and a rowing machine respectively mounted on a machine frame at the front, and a low pulley station and a stepping machine respectively mounted on the machine frame at the back, wherein the rowing machine is reciprocated as the thigh & knee machine is operated; the low pulley station is releasably coupled to the high pulley station in using the same counter balance mechanism.
    Type: Grant
    Filed: January 13, 1993
    Date of Patent: June 28, 1994
    Assignee: Greenmaster Industrial Corporation
    Inventor: Leao Wang
  • Patent number: 5300005
    Abstract: An abdomen exerciser includes two three-end links respectively pivoted to two curved supports on a base frame at opposite sides to hold two leg presses, two sets of weights, and a back cushion. The sets of weights automatically turn the three-end links on the curved supports in lifting the back cushion from a horizontal position to a vertical position as the player bends the trunk upwards, or give a pressure to the player's back as the player lies down. Either leg press can be turned into the operative position for hanging the respective leg in raising the player's center of gravity.
    Type: Grant
    Filed: February 25, 1993
    Date of Patent: April 5, 1994
    Assignee: Greenmaster Industrial Corporation
    Inventor: Leao Wang
  • Patent number: D347040
    Type: Grant
    Filed: March 17, 1992
    Date of Patent: May 17, 1994
    Assignee: Greenmaster Industrial Corporation
    Inventor: Leao Wang
  • Patent number: D347668
    Type: Grant
    Filed: November 24, 1992
    Date of Patent: June 7, 1994
    Assignee: Greenmaster Industrial Corporation
    Inventor: Leao Wang
  • Patent number: D358437
    Type: Grant
    Filed: February 24, 1994
    Date of Patent: May 16, 1995
    Assignee: Greenmaster Industrial Corporation
    Inventors: Leao Wang, Peter Wu
  • Patent number: D358624
    Type: Grant
    Filed: March 15, 1994
    Date of Patent: May 23, 1995
    Assignee: Greenmaster Industrial Corporation
    Inventors: Leao Wang, Peter Wu
  • Patent number: D358855
    Type: Grant
    Filed: December 15, 1993
    Date of Patent: May 30, 1995
    Assignee: Greenmaster Industrial Corporation
    Inventor: Leao Wang