Patents Assigned to Dandy Enterprises, Limited
  • Environmental filter
    Patent number: 6551505
    Abstract: A filter for removing particulate matter from water flowing into an inlet, such as a catch basin is disclosed. The filter may comprise an envelope of filter material adapted to receive an inlet cover device, such as a catch basin grate. The inlet device may be inserted within the envelope and placed in an opening of the inlet. Water, for example, may then be double filtered before entering the inlet. A roll filter comprising porous material is also disclosed that may be used in combination or alone when filtering runoff entering a curb drain or other inlet.
    Type: Grant
    Filed: November 29, 1999
    Date of Patent: April 22, 2003
    Assignee: Dandy Enterprises, Limited
    Inventors: Andrew W. Chinn, Daniel M. Strawser, Sr., Geralde M. Chinn
  • Environmental filter
    Patent number: 6010622
    Abstract: A filter for removing particulate matter from water flowing into an inlet, such as a catch basin is disclosed. The filter may comprise an envelope of filter material adapted to receive an inlet cover device, such as a catch basin grate. The inlet device may be inserted within the envelope and placed in an opening of the inlet. Water, for example, may then be double filtered before entering the inlet. A roll filter comprising porous material is also disclosed that may be used in combination or alone when filtering runoff entering a curb drain or other inlet.
    Type: Grant
    Filed: December 2, 1997
    Date of Patent: January 4, 2000
    Assignee: Dandy Enterprises Limited
    Inventors: Andrew W. Chinn, Daniel M. Strawser, Sr., Geralde M. Chinn
  • Environmental filter
    Patent number: 5725782
    Abstract: A filter for removing particulate matter from water flowing into an inlet, such as a catch basin is disclosed. The filter may comprise an envelope of filter material adapted to receive an inlet cover device, such as a catch basin gate. The inlet device may be inserted within the envelope and placed in an opening of the inlet. Water, for example, may then be double filtered before entering the inlet. A roll filter comprising porous material is also disclosed that may be used in combination or alone when filtering runoff entering a curb drain or other inlet.
    Type: Grant
    Filed: December 18, 1996
    Date of Patent: March 10, 1998
    Assignee: Dandy Enterprises Limited
    Inventors: Andrew W. Chinn, Daniel M. Strawser, Sr., Geralde M. Chinn
  • Environmental filter
    Patent number: 5632888
    Abstract: A filter for removing particulate matter from water flowing into an inlet, such as a catch basin is disclosed. The filter may comprise an envelope of filter material adapted to receive an inlet cover device, such as a catch basin grate. The inlet device may be inserted within the envelope and placed in an opening of the inlet. Water, for example, may then be double filtered before entering the inlet. A roll filter comprising porous material is also disclosed that may be used in combination or alone when filtering runoff entering a curb drain or other inlet.
    Type: Grant
    Filed: May 11, 1995
    Date of Patent: May 27, 1997
    Assignee: Dandy Enterprises Limited
    Inventors: Andrew W. Chinn, Daniel M. Strawser, Sr., Geralde M. Chinn