Patents by Inventor Douglas W. Adams

Douglas W. Adams 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).

  • Publication number: 20240093663
    Abstract: A DC power plant generating DC power from a variety of engines including a Stirling cycle engine. The DC power plant includes a relatively small start-up power source that is discontinued after the engine is running. A method for producing DC power for a load including starting up an engine using power supplied by a relatively small power supply supplemented by a capacitor bank, providing output from the engine to a generator, producing alternating current (AC) power by the generator, converting the AC power to direct current (DC) power, disabling output of the DC power during a first set of pre-selected conditions, limiting a rate of change of current of the DC power during a second set of pre-selected conditions, reducing conducted and radiated emissions of the DC power, disconnecting the DC power from the load under a third set of pre-selected conditions, and providing the DC power to the load.
    Type: Application
    Filed: November 20, 2023
    Publication date: March 21, 2024
    Inventors: Andrew A. Schnellinger, James R. Lowell, Bryan A. Finseth, Christopher L. Barber, Jason M. Sachs, Donald J. Lucas, Shannon Prescott, Jeffrey W. Kite, Andras K. Fekete, Douglas R. Adams
  • Patent number: 10371599
    Abstract: A method and system for measuring, determining and/or analyzing the cranking RPM of a vehicle is provided. The system measures the voltage of at least a portion of a vehicle's electrical system to determine high and/or low voltage time periods during at least a portion of a starting or cranking cycle. The time between high and/or low voltage points can then be used, along with the number of cylinders in the vehicle, to determine the cranking RPM of the vehicle. The system may include a load module and a control module that are removably coupled to one another in first and second configurations.
    Type: Grant
    Filed: October 30, 2015
    Date of Patent: August 6, 2019
    Assignee: Auto Meter Products, Inc.
    Inventors: Michael R. Gathman, John C. McMillion, Douglas W. Adams, Scott R. Crerar, Gary Humbert, Jeffrey L. Hauman, John P. Leahy
  • Publication number: 20170299465
    Abstract: A method and system for measuring, determining and/or analyzing the cranking RPM of a vehicle is provided. The system measures the voltage of at least a portion of a vehicle's electrical system to determine high and/or low voltage time periods during at least a portion of a starting or cranking cycle. The time between high and/or low voltage points can then be used, along with the number of cylinders in the vehicle, to determine the cranking RPM of the vehicle. The system may include a load module and a control module that are removably coupled to one another in first and second configurations.
    Type: Application
    Filed: October 30, 2015
    Publication date: October 19, 2017
    Inventors: Michael R. Gathman, John C. McMillion, Douglas W. Adams, Scott R. Crerar, Gary Humbert, Jeffrey L. Hauman, John P. Leahy
  • Patent number: 6029855
    Abstract: A cap and figurine device disclosed has a main member with a throughbore and includes a lower coupling portion suitable for threading externally onto a bottle top, an intermediate hollow, elongated neck portion and an upper inner valve portion. A movable outer valve portion moves on the inner valve portion between open and closed positions and is removable from the main member to enable one of a plurality of interchangeable figurines to be placed on and carried by the neck portion which serves as a spindle with the movable outer valve portion retaining the figurine body in place during use.
    Type: Grant
    Filed: February 16, 1999
    Date of Patent: February 29, 2000
    Inventor: Douglas W. Adams
  • Patent number: 5229736
    Abstract: A waveguide and a scaler ring assembly in which the waveguide has external threads and the scaler ring has internal threads for threaded mating engagement so that the position of the waveguide can be easily selected, and is maintained in a secure, close-fitted relationship. The scaler ring has means for attaching to an antenna dish.
    Type: Grant
    Filed: January 7, 1992
    Date of Patent: July 20, 1993
    Inventors: Douglas W. Adams, Carol Kirksey
  • Patent number: 4807887
    Abstract: A novel missed-hit detection and player proximity detection system for an electronic, automatically scored projectile target game apparatus wherein the scoring system thereof is automatically deactivated whenever a player comes within a proscribed distance range from the game and wherein the impact of a projectile which misses the target, yet strikes the front of the game registers as a non-scoring "missed-hit" and is deducted from the number of remaining throws in that round.
    Type: Grant
    Filed: October 1, 1987
    Date of Patent: February 28, 1989
    Assignee: Industrial Design Electronic Assoc., Inc.
    Inventors: Donald P. DeVale, Douglas W. Adams, Robert W. Van Naarden
  • Patent number: D352614
    Type: Grant
    Filed: July 30, 1993
    Date of Patent: November 22, 1994
    Inventor: Douglas W. Adams
  • Patent number: D399049
    Type: Grant
    Filed: December 15, 1997
    Date of Patent: October 6, 1998
    Inventor: Douglas W. Adams
  • Patent number: D409371
    Type: Grant
    Filed: December 15, 1997
    Date of Patent: May 11, 1999
    Inventor: Douglas W. Adams
  • Patent number: D416799
    Type: Grant
    Filed: January 5, 1999
    Date of Patent: November 23, 1999
    Inventor: Douglas W. Adams
  • Patent number: D419449
    Type: Grant
    Filed: January 5, 1999
    Date of Patent: January 25, 2000
    Inventor: Douglas W. Adams
  • Patent number: D419450
    Type: Grant
    Filed: January 5, 1999
    Date of Patent: January 25, 2000
    Inventor: Douglas W. Adams
  • Patent number: D419880
    Type: Grant
    Filed: January 5, 1999
    Date of Patent: February 1, 2000
    Inventor: Douglas W. Adams
  • Patent number: D760100
    Type: Grant
    Filed: October 31, 2014
    Date of Patent: June 28, 2016
    Assignee: Auto Meter Products, Inc.
    Inventors: Michael R. Gathman, John C. McMillion, Douglas W. Adams
  • Patent number: D789813
    Type: Grant
    Filed: June 1, 2016
    Date of Patent: June 20, 2017
    Assignee: Auto Meter Products, Inc.
    Inventors: Michael R. Gathman, John C. McMillion, Douglas W. Adams