Patents Represented by Attorney, Agent or Law Firm Ajay Gambhir
  • Self-piercing rivet fastening device with improved die
    Patent number: 7412869
    Abstract: A self-piercing rivet fastening device has a punch that drives legs of the rivet into portions of workpieces that are forced into a die cavity, in order to join the workpieces. Particular surfaces of the die cavity are modified to increase the coefficient of friction in order to prevent tips of the legs of the rivet from breaking through a workpiece adjacent to the die and forming holes.
    Type: Grant
    Filed: June 27, 2005
    Date of Patent: August 19, 2008
    Assignee: Newfrey LLC
    Inventor: Toru Kato
  • Clip for joining structural parts and fastening systems using a clip
    Patent number: 7401387
    Abstract: A clip for joining structural parts comprises a disk having an inner portion and an outer portion forming a rim about the inner portion. The inner portion has a depression with a recess extending downwardly from the depression and provided with a laterally-extending opening for receiving a mounting member, such as a pin.
    Type: Grant
    Filed: April 26, 2006
    Date of Patent: July 22, 2008
    Assignee: Newfrey LLC
    Inventor: Frank Rosemann
  • Fan Retention system
    Patent number: 6224340
    Abstract: A fan retention system for a blower/vacuum securely retains the fan and creates an insulating barrier to prevent the operator from touching the functionally insulated armature shaft. A nut having interlocking ramps for interlocking with interconnecting portions on an abutting fan surface is provided. The interconnecting portions of the fan may be either ramps or recesses. Furthermore, the nut has a closed end for insulating the armature shaft from the operator.
    Type: Grant
    Filed: February 19, 1999
    Date of Patent: May 1, 2001
    Assignee: Black & Decker, Inc.
    Inventor: William R. Lessig, III
  • Hand held motorized cleaning apparatus with linear, orbital and/or dual motion
    Patent number: 5956792
    Abstract: A cleaning apparatus having a housing, a battery, a motor, an output drive shaft and a movable cleaning section. The connection between the drive shaft and the cleaning section provides linear reciprocating motion of a portion of the cleaning section. In another embodiment orbital motion is provided. In another embodiment rotational motion and linear motion are provided. In another embodiment the user can switch between two types of motion.
    Type: Grant
    Filed: April 29, 1996
    Date of Patent: September 28, 1999
    Assignee: Black & Decker, Inc.
    Inventors: Patrick N. Gutelius, Bryan P deBlois
  • Hand held vacuum cleaner
    Patent number: D437983
    Type: Grant
    Filed: August 11, 1999
    Date of Patent: February 20, 2001
    Assignee: Black & Decker
    Inventor: Mark Stratford
  • String trimmer
    Patent number: D446699
    Type: Grant
    Filed: August 12, 1999
    Date of Patent: August 21, 2001
    Assignee: Black & Decker, Inc.
    Inventors: James D. Marshall, Gabriel Concari, Michael Milligan, Chris Murray
  • Cable retainer
    Patent number: D459195
    Type: Grant
    Filed: November 9, 2000
    Date of Patent: June 25, 2002
    Assignee: Black & Decker, Inc.
    Inventor: Julian Moutrey