Patents by Inventor Jerzy Krysicki

Jerzy Krysicki 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).

  • Easy insert composite tube cleaner
    Patent number: 5940922
    Abstract: A composite tube cleaner has a shaft, nose portion and tail portion, and a plurality of metallic scraper devices spaced along the shaft. The scraper devices are U-shaped and have at least two leg portions which terminate as scraping sections. A plastic sheath is secured to and encloses the scraping sections and at least a portion of the leg portions, the sheath preferably having at least one inclined surface along the leg portion which extends outwardly to the scraping section.
    Type: Grant
    Filed: September 12, 1997
    Date of Patent: August 24, 1999
    Assignee: Conco Systems Inc.
    Inventors: Gregory J. Saxon, Jerzy Krysicki
  • Easy insert tube cleaner
    Patent number: 5784745
    Abstract: A tube cleaner that provides for easy insertion into an open end of a tube has a shaft, a nose portion and tail portion, and a plurality of scraper devices secured to the shaft. The scraper devices are U-shaped and have a base and at least two leg portions which have terminal scraping sections. A tongue is provided on the leg portion which extends from the leg portion rearwardly and outwardly to a position adjacent the scraping section of the scraper device.
    Type: Grant
    Filed: September 12, 1997
    Date of Patent: July 28, 1998
    Assignee: Conco Systems, Inc.
    Inventors: Gregory J. Saxon, Jerzy Krysicki
  • Camera having film feed indicator
    Patent number: 4492446
    Abstract: A camera is disclosed which has a film feed indicator in the form of a member which is disposed behind openings in a wall of a door and which is connected to a pawl engageable in a film aperture to be moved to a latched condition by an initial advance of the film. The indicator is released from the latched condition when the door is opened.
    Type: Grant
    Filed: April 19, 1983
    Date of Patent: January 8, 1985
    Assignee: Keystone Camera Corporation
    Inventors: Arthur Zawodny, Jerzy Krysicki
  • Film advance and rewind mechanism
    Patent number: 4332449
    Abstract: A film advance and rewind mechanism is disclosed in which a thumbwheel is rotatable in only one direction and is drivingly coupled to a take-up spool only when rotated, the take-up spool being free to rotate in a rewind direction when a supply spool is rotated in a rewind direction.
    Type: Grant
    Filed: November 17, 1980
    Date of Patent: June 1, 1982
    Assignee: Keystone Camera Corporation
    Inventors: Arthur Zawodny, Jerzy Krysicki