Patents by Inventor Philip D. Bartlett

Philip D. Bartlett 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).

  • Patent number: 5480056
    Abstract: A plunger for attachment to a drum reseal cap, the plunger having opposed ends with a handle alone end, resilient fingers at the other end and a sliding cylinder for forcing the resilient fingers in an outward direction to engage the reseal cap.
    Type: Grant
    Filed: September 15, 1993
    Date of Patent: January 2, 1996
    Assignee: Russell-Stanley Corporation
    Inventors: William Lima, Earl V. Lind, Philip D. Bartlett
  • Patent number: 5328104
    Abstract: A system and method to shred, transport and reconstruct plastic drums. The drums are loaded into a shredding apparatus that shreds the drums into shreddings. The shreddings are then projected into a compartment in a storage means in a trailer. The loaded storage means is transported to a remote location to be further ground and pelletized for construction into new drums.
    Type: Grant
    Filed: May 18, 1993
    Date of Patent: July 12, 1994
    Assignee: Russell-Stanley Corporation
    Inventors: William Lima, Earl V. Lind, Philip D. Bartlett
  • Patent number: 5284998
    Abstract: Drums liners and methods used in the handling of hazardous materials and liquids comprising the use of disposable drum liners having a fitting allowing communication with the interior of the liner for securing the liner to a conventional drum bung hole, said fitting to be used to evacuate and collapse the liner, and a reseal plug attached to the fitting to seal the collapsed liner, said reseal plug having means to accept a plunger. The lid of the drum is removed and the sealed liner is taken from the drum using the plunger attached to the reseal plug. The liner is then placed into a disposal drum made of the same material as the liner and compressed. Once the disposal drum contains a sufficient number of compressed liners, it is removed for incineration or other safe disposal.
    Type: Grant
    Filed: April 29, 1993
    Date of Patent: February 8, 1994
    Assignee: Russell-Stanley Corporation
    Inventors: William Lima, Earl V. Lind, Philip D. Bartlett
  • Patent number: 5265751
    Abstract: A safety container having an array of ratchet teeth cooperating with a pawl stop is provided. The cover of the container can only be removed by counterclockwise rotation while the pawl is urged out of engagement with the ratchet teeth.
    Type: Grant
    Filed: April 24, 1992
    Date of Patent: November 30, 1993
    Assignee: Russel-Stanley Corporation
    Inventors: William Lima, Earl V. Lind, Philip D. Bartlett, Michael R. McGrath
  • Patent number: 5147060
    Abstract: A safety container having an array of ratchet teeth cooperating with a pawl stop is provided. The cover of the container can only be removed by counterclockwise rotation while the pawl is urged out of engagement with the ratchet teeth.
    Type: Grant
    Filed: November 1, 1991
    Date of Patent: September 15, 1992
    Assignee: Russell-Stanley Corporation
    Inventors: William Lima, Earl V. Lind, Philip D. Bartlett, Michael R. McGrath