Patents Represented by Attorney Nathan J. Cornfeld

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  • Injection molding machine
    Patent number: 4204827
    Abstract: An injection molding machine for thermoplastic and thermosetting materials is provided with air pressure as the sole means other than gravity for moving particulate or powder form of the plastic through the heat cylinder of the machine whereby the plastic power is converted to a viscous molten liquid that is forced through the nozzle of the machine into an orifice of a mold where, after setting, a plastic article can be removed.
    Type: Grant
    Filed: March 2, 1978
    Date of Patent: May 27, 1980
    Inventor: Ralph H. Romans
  • Motorcycle chainguard and lubricator
    Patent number: 4158402
    Abstract: A lubricating chainguard for motorcycles and similar vehicles is disclosed wherein a front or transmission-sprocket housing and a spaced rear or driven-sprocket housing are interconnected by a rigid hose or pipe assembly to form a completely enclosed guard through which a chain can pass freely while being immersed, at least in part, in an enclosed body of lubricating oil or grease thereby to maintain the said chain in continuously lubricated condition during operation of the motorcycle.
    Type: Grant
    Filed: October 11, 1977
    Date of Patent: June 19, 1979
    Inventor: Orville Romans
  • Insect trap
    Patent number: 4157629
    Abstract: An insect trap is disclosed having a source of ultraviolet (UV) light to attract flying insects, the source being supported above a pan of water on the surface of which a petroleum liquid such as oil or kerosene is floated and into which the insects fly and are exterminated, the trap also comprising overflow means for ensuring that excess water tending to fill the pan actually overflows while at the same time the said means inhibits the spilling of oil or kerosene over the surrounding property.
    Type: Grant
    Filed: April 10, 1978
    Date of Patent: June 12, 1979
    Assignee: Ralph H. Romans
    Inventor: James R. Parks