Patents Represented by Attorney Hershkovita & Associates, LLC

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  • Burner having variable output structure
    Patent number: 8215952
    Abstract: A burner having a variable output structure includes a flame-hole plate having a plurality of flame holes located on a surface of the flame-hole plate. The plurality of flame holes are exposed to a combustion chamber. Further, the burner can include a flame hole adjusting unit configured to change an output of the burner by adjusting a size of each of the plurality of flame holes according to a load required in a combustion device.
    Type: Grant
    Filed: March 14, 2008
    Date of Patent: July 10, 2012
    Assignee: Kyungdong Navien Co., Ltd.
    Inventor: Tae Sik Min
  • Power ratchet assembly
    Patent number: 8117947
    Abstract: A power ratchet assembly has a handle, a power shaft, a sleeve, a crankshaft, multiple planet gears, multiple pins, two support bearings and a ratchet head device. The crankshaft has an outer surface. The support bearings are securely mounted around the outer surface of the crankshaft. Because the crankshaft is supported by the support bearings, the crankshaft is effectively stabilized so mitigating vibration of the crankshaft and reducing wear of the planet gears and noise and increasing useful life of the power ratchet assembly.
    Type: Grant
    Filed: December 2, 2009
    Date of Patent: February 21, 2012
    Assignee: Jetly Professional Air Tools Co., Ltd.
    Inventor: Hsu-Huan Chiang