Patents Represented by Attorney, Agent or Law Firm Mark Krietzman
  • Integrated heated prevaporation module
    Patent number: 7892321
    Abstract: An integrated heating system for adding heat to a feed fuel within a module by way of an integrated heating element within the body or casing of the module. The heat may be selectively added to maintain a selected temperature.
    Type: Grant
    Filed: April 21, 2008
    Date of Patent: February 22, 2011
    Assignee: Intelligent Energy, Inc.
    Inventors: Diane Lee Aagesen, Kandaswamy Duraiswamy
  • Side-emitting surface mounted light emitting diode
    Patent number: 6677707
    Abstract: A unique side mounted LED and side sensing photo-transistor with free-end contacts, useful for thin profile side and back lighting and low-profile touch screen photo-circuits, and a method of manufacturing the side mounted side emitting or sensing photo circuit components.
    Type: Grant
    Filed: July 8, 2000
    Date of Patent: January 13, 2004
    Assignee: The Regents of the University of California
    Inventor: Thomas Dietiker
  • IEEE 1394 or USB powered computer light
    Patent number: 6575593
    Abstract: A light for use with computers containing one or more light emitting diodes on one or more flexible necks which is powered via the computers USB or IEEE 1394 port. An auxiliary USB or IEEE 1394 port may be combined with the plug-in light to allow for additional devices top be connected through the same port powering the light.
    Type: Grant
    Filed: May 21, 2001
    Date of Patent: June 10, 2003
    Inventor: Mark Howard Krietzman
  • Snap together modular storage
    Patent number: 6557955
    Abstract: An modular storage rack, display or cube system formed by snap together panels with alignment guides, which may also support wheels, shelves, drawers and doors. The system is assemble-in-place and may shipped and displayed for sale in a flat pack.
    Type: Grant
    Filed: January 13, 2001
    Date of Patent: May 6, 2003
    Inventor: Darren Saravis
  • Thin flat illuminator
    Patent number: 6533436
    Abstract: A flat illuminator, which may utilize a plurality of batteries and may support multiple LED illumination sources, adapted for high volume assembly with a momentary on/off switch formed therein. Encoded data and/or a key blank may also be combined with the flat illuminator.
    Type: Grant
    Filed: May 8, 2001
    Date of Patent: March 18, 2003
    Inventors: Mark Howard Krietzman, Yu-Hsin Chen
  • Slide-switched flat illuminator
    Patent number: 6508569
    Abstract: A flat illuminator, which may have a replaceable battery power supply and with a sliding inner body forming an “on” and “off” switch.
    Type: Grant
    Filed: May 8, 2001
    Date of Patent: January 21, 2003
    Inventors: Mark Howard Krietzman, Yu-Hsin Chen
  • Flat credit card illuminator with flexible integral switching arm
    Patent number: 6447143
    Abstract: A flat card shaped illuminator with an on/off switch integrally formed therein. The flat card shaped light is adapted to a variety of uses and the on/off switch may be momentary or latching. One or more LEDs may be incorporated therein and the batteries may be removable.
    Type: Grant
    Filed: December 19, 2000
    Date of Patent: September 10, 2002
    Inventors: Mark Howard Krietzman, Yu-Hsin Chen
  • Laser device and method for producing diffuse illumination
    Patent number: 6431731
    Abstract: A laser device which directs one or more wavelengths of pulsed diffuse laser light at a target to produce a diffuse laser illumination, and a method of illuminating and viewing a target with the reflection from one or more wavelengths of diffuse laser light reflected off a target.
    Type: Grant
    Filed: March 14, 2000
    Date of Patent: August 13, 2002
    Inventor: Mark Howard Krietzman
  • Laser light
    Patent number: 6196702
    Abstract: A novel hand held waterproof or submersible laser illumination device which provides for prolonged precise controlled illumination. The present invention also provides for a combination generalized illumination and selectable precise laser outputs.
    Type: Grant
    Filed: March 22, 1999
    Date of Patent: March 6, 2001
    Inventor: Mark Howard Krietzman
  • Security lock for laptop and notebook computers
    Patent number: 6182481
    Abstract: A novel security lock for laptop and notebook computers which prohibits the separation of the monitor from the keyboard, may provide an audible motion sensitive alarm and a secondary anchor cable.
    Type: Grant
    Filed: October 25, 1999
    Date of Patent: February 6, 2001
    Inventor: Neil Frank Nagy
  • Laser light
    Patent number: 6062702
    Abstract: A novel hand held waterproof or submersible laser illumination device which provides for prolonged precise controlled illumination. The present invention also provides for a combination generalized illumination and selectable precise laser outputs.
    Type: Grant
    Filed: August 21, 1997
    Date of Patent: May 16, 2000
    Inventor: Mark Howard Krietzman
  • Multi-function switching head for use with handheld illumination devices
    Patent number: 6022127
    Abstract: A novel multi-function switching head for use with handheld illumination devices for switching electrical current to multiple illumination sources and for selecting from multiple battery power supplies.
    Type: Grant
    Filed: July 11, 1998
    Date of Patent: February 8, 2000
    Inventor: Mark Howard Krietzman
  • Rolling cat scratcher
    Patent number: 6021741
    Abstract: A cylindrical or conical rolling cat scratching device which provides a series of corrugated cardboard surfaces, to which catnip may be added.
    Type: Grant
    Filed: September 24, 1998
    Date of Patent: February 8, 2000
    Inventors: Mark Howard Krietzman, Robert Alan Krietzman
  • Switchable tail-cap illuminator with power supply
    Patent number: 6017129
    Abstract: A novel switchable tail-cap illuminator with power supply which adds onto, or replaces a standard tail cap at the end of a flashlight and provides a secondary illumination source, with switchable separate power supply for independent use or for simultaneous illumination with the flashlight.
    Type: Grant
    Filed: July 27, 1998
    Date of Patent: January 25, 2000
    Inventor: Mark Howard Krietzman
  • Laser pointer with light shaping rotating disk
    Patent number: 6000813
    Abstract: A portable or stationary light shaping system which can shape a variety of light sources via a series of selectable & moving output specific light shaping optical elements which produces a controlled and precise composite illumination of optical outputs.
    Type: Grant
    Filed: August 21, 1997
    Date of Patent: December 14, 1999
    Inventor: Mark Howard Krietzman
  • Over-the-door cat scratching post
    Patent number: 5988114
    Abstract: A removable over-the-door suspending scratching device for cats which is self-dampening and provides a large volume scratching surface without requiring floor space for a base, which encourages a pet to scratch at and climb the device rather than upholstered furniture. A track suspending a raised rolling target may also be formed as part of the scratching device.
    Type: Grant
    Filed: January 26, 1999
    Date of Patent: November 23, 1999
    Inventors: Mark Howard Krietzman, Yu-Hsin Chen
  • Secondary power supply for use with handheld illumination devices
    Patent number: 5909062
    Abstract: A secondary or redundant battery supply which nests in-line in a tubular or oval housing. The present invention also provides for a flashlight or flashlight laser illuminator with a secondary or redundant battery supply.
    Type: Grant
    Filed: March 10, 1998
    Date of Patent: June 1, 1999
    Inventor: Mark Howard Krietzman
  • Multi-apertured feline toy and exercise device
    Patent number: 5870971
    Abstract: A multi-apertured enclosure having one or more rolling target objects located therein. A plurality of slotted openings, of a fixed maximum diameter, which provide access for multiple cat paws, at a great variety of angles and configurations to attack the targets, external replaceable targets, scratching surfaces and refillable catnip dispensing reservoirs may be added which encourage the cat to play on its own.
    Type: Grant
    Filed: August 12, 1997
    Date of Patent: February 16, 1999
    Inventors: Mark Howard Krietzman, Yu-Hsin Chen
  • Led key chain light
    Patent number: D454650
    Type: Grant
    Filed: June 28, 2001
    Date of Patent: March 19, 2002
    Assignee: Hartleigh Creations, Inc.
    Inventors: Steven Lodge, Daniel A. Seigel, Steven Bartok