Patents Represented by Attorney N. A. Blish

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  • Heated die for carbonized material
    Patent number: 4498858
    Abstract: A heated die (10) is divided into four segments slidable with respect to adjacent segments so that when opposing segments (12) and (16) move together and forward, segments (14) and (18) are moving out and back. Thus, friable material may be formed and drawn through die (10) by the action of the die.
    Type: Grant
    Filed: August 23, 1982
    Date of Patent: February 12, 1985
    Assignee: Philip Morris Incorporated
    Inventor: Donald A. Full
  • Ultralow pressure relief valve
    Patent number: 4460018
    Abstract: An ultralow pressure relief valve (10) is disclosed. Sealing fluid (24) is held in place by capillary forces inside capillary tube (12). When pressure in tube (11) exceeds capillary forces, sealing fluid (24) is forced into reservoir (14), protecting pressure gage (20) from overpressurization.
    Type: Grant
    Filed: June 19, 1981
    Date of Patent: July 17, 1984
    Assignee: Philip Morris, Incorporated
    Inventor: William R. Sweeney
  • Cigarette detection and rejection device
    Patent number: 4445520
    Abstract: A cigarette testing device (10) detects improperly filled or missing cigarettes in groups of cigarettes in a cigarette packing machine. Tappets (20) are positioned against the ends of cigarettes (11) and the position of tappets (20) is determined by optical sensors (28). Defective cigarettes (15) are removed from the group by nozzles (24). One to one correspondence between cigarettes, tappets, sensors, and nozzle ejectors allows single defective cigarettes to be rejected without rejecting the entire group of cigarettes.
    Type: Grant
    Filed: February 8, 1982
    Date of Patent: May 1, 1984
    Assignee: Philip Morris Incorporated
    Inventors: Raymond J. Knight, Robert T. Mitten, Robert L. Ripley