Patents by Inventor Viktor V. Alekseyev

Viktor V. Alekseyev 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).

  • Pump with pneumatic motor
    Patent number: 6923348
    Abstract: A pump having a compressed-air-operated reciprocating motor for reciprocating a pump plunger through forward and return strokes. The motor comprises a motor cylinder and a motor piston operable in the cylinder and itself acting as a valve for effecting its return through each return stroke. A fluid dispenser is driven by the plunger between a charge position for charging a dispensing chamber with fluid and a discharge position for discharging fluid.
    Type: Grant
    Filed: October 14, 2003
    Date of Patent: August 2, 2005
    Assignee: Lincoln Industrial Corporation
    Inventors: Ayzik Grach, Viktor V. Alekseyev
  • Pump with pneumatic motor
    Publication number: 20040129735
    Abstract: A pump having a compressed-air-operated reciprocating motor for reciprocating a pump plunger through forward and return strokes. The motor comprises a motor cylinder and a motor piston operable in the cylinder and itself acting as a valve for effecting its return through each return stroke. A fluid dispenser is driven by the plunger between a charge position for charging a dispensing chamber with fluid and a discharge position for discharging fluid.
    Type: Application
    Filed: October 14, 2003
    Publication date: July 8, 2004
    Applicant: Lincoln Industrial Corporation
    Inventors: Ayzik Grach, Viktor V. Alekseyev
  • Pneumatic reciprocating motor and grease gun incorporating same
    Patent number: 6736292
    Abstract: A grease gun having a compressed-air-operated reciprocating motor for reciprocating a pump plunger through forward and return strokes. The motor comprises a motor cylinder and a motor piston operable in the cylinder and itself acting as a valve for effecting its return through each return stroke.
    Type: Grant
    Filed: March 1, 2002
    Date of Patent: May 18, 2004
    Assignee: Lincoln Industrial Corporation
    Inventors: Ayzik Grach, Viktor V. Alekseyev
  • Pneumatic reciprocating motor and grease gun incorporating same
    Publication number: 20030164387
    Abstract: A grease gun having a compressed-air-operated reciprocating motor for reciprocating a pump plunger through forward and return strokes. The motor comprises a motor cylinder and a motor piston operable in the cylinder and itself acting as a valve for effecting its return through each return stroke.
    Type: Application
    Filed: March 1, 2002
    Publication date: September 4, 2003
    Applicant: Lincoln Industrial Corporation
    Inventors: Ayzik Grach, Viktor V. Alekseyev