Patents by Inventor Stephen B. Maguire

Stephen B. Maguire 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).

  • MULTIPLE SENSOR RESIN DELIVERY OPTIMIZING VACUUM PUMP OPERATION
    Publication number: 20180099449
    Abstract: Method and apparatus for pneumatically conveying granular resin material and controlling such conveyance includes a sensor associated with granular plastic resin material receiver with the sensing vacuum level thereat and a microprocessor adjusting vacuum pump speed based on vacuum level sensed at the receiver.
    Type: Application
    Filed: December 13, 2017
    Publication date: April 12, 2018
    Applicant: Novatec, Inc.
    Inventors: James Zinski, Stephen B. Maguire
  • Resin delivery apparatus and method with plural air flow limiters
    Patent number: 9937651
    Abstract: Apparatus has a vacuum pump for conveying granular plastic resin material from a supply to receivers retaining and dispensing the resin when needed by a process machine with a flow limiter connected to the suction head of the vacuum pump, and a second flow limiter controlling and limiting to a maximum value vacuum flow through a conduit carrying auxiliary additives to the receivers.
    Type: Grant
    Filed: March 10, 2016
    Date of Patent: April 10, 2018
    Assignee: Novatec, Inc.
    Inventors: James Zinski, Stephen B. Maguire
  • FLOW LIMITING AND VARIABLE FREQUENCY DRIVE APPARATUS FOR LIMITING FLOW TO SELECTED LEVEL
    Publication number: 20180079604
    Abstract: A controlled, variable speed vacuum pump with a flow limiter connected to the suction head of the vacuum pump conveys granular plastic resin material from a supply to receivers retaining and dispensing resin when needed by a process machine.
    Type: Application
    Filed: December 1, 2017
    Publication date: March 22, 2018
    Inventors: James Zinski, Stephen B. Maguire
  • METHOD FOR LOW PROFILE RECEIVER OPERATION
    Publication number: 20180079603
    Abstract: A method for temporary storage of granular material in a receiver having a horizontally elongated chamber within a housing, the chamber having a convex triangular cross-section and a dump flap defining a bottom vertex of the triangular cross-section, with a horizontal air/vacuum resin material inlet connecting to the chamber, and a horizontal air/vacuum outlet leading from and connected to the chamber.
    Type: Application
    Filed: November 30, 2017
    Publication date: March 22, 2018
    Inventor: Stephen B. Maguire
  • LIQUID COLOR CLOSED LOOP REFILL METHOD AND APPARATUS
    Publication number: 20180066639
    Abstract: Method and apparatus for furnishing process machines with liquid color from a supply thereof provides a loop conduit having respective ends receiving liquid color from the supply and discharging liquid color back into the supply, pumping liquid color through the loop conduit and discharging liquid color from the loop conduit at an intermediate position into a reservoir associated with a process machine upon liquid color level in the reservoir being at a low level limit.
    Type: Application
    Filed: November 14, 2017
    Publication date: March 8, 2018
    Inventor: Stephen B. Maguire
  • Molding apparatus and method with heat recovery
    Patent number: 9868228
    Abstract: Apparatus and method for recapturing and reusing heat provided in the course of fabricating a molded product.
    Type: Grant
    Filed: January 27, 2014
    Date of Patent: January 16, 2018
    Inventor: Stephen B. Maguire
  • METHOD FOR DRIPLESS LIQUID COLOR DELIVERY USING A DRIPLESS LIQUID COLOR FEED THROAT ADAPTOR
    Publication number: 20180001534
    Abstract: Apparatus and methods for converting resin into colored finished or semi-finished plastic parts include a process machine having a barrel, a rotatable screw inside the barrel, and a color feed conduit assembly extending into the barrel for passage of liquid color through the color feed conduit assembly into proximity with the screw.
    Type: Application
    Filed: September 18, 2017
    Publication date: January 4, 2018
    Inventor: Stephen B. Maguire
  • Molded diaphragm liquid color pump
    Patent number: 9850888
    Abstract: A pneumatically powered pump for liquid color adapted to fit partially within a liquid color container having a body portion of the pump within the liquid color container adapted to be mounted on the underside of the container lid and being a single piece of molded plastic overlying an aperture in the container lid.
    Type: Grant
    Filed: October 19, 2015
    Date of Patent: December 26, 2017
    Inventor: Stephen B. Maguire
  • Method and apparatus for closed loop automatic refill of liquid color
    Patent number: 9841010
    Abstract: Method and apparatus for furnishing process machines with liquid color from a supply thereof provides a loop conduit having respective ends receiving liquid color from the supply and discharging liquid color back into the supply, pumping liquid color through the loop conduit and discharging liquid color from the loop conduit at an intermediate position into a reservoir associated with a process machine upon liquid color level in the reservoir being at a low level limit.
    Type: Grant
    Filed: February 12, 2015
    Date of Patent: December 12, 2017
    Inventor: Stephen B. Maguire
  • Liquid color cart and method for liquid color dispensing
    Patent number: 9815036
    Abstract: A portable scale for weighing containers, and includes a weighing tray that may be moved from a weighing position to a non-weighing position by a drive mechanism. When in the non-weighing position, the weighing tray is low to the ground, allowing for easy loading and unloading. When in the weighing position, force is transmitted to one or more load cells located between the weighing tray and a scale assembly, which allows for an accurate measurement of the container and/or its contents.
    Type: Grant
    Filed: August 13, 2014
    Date of Patent: November 14, 2017
    Assignee: Maguire Productss, Inc.
    Inventors: Stephen B. Maguire, Paul S. Maguire
  • Dripless liquid color feed throat adaptor and method for dripless liquid color delivery
    Patent number: 9796123
    Abstract: Apparatus and methods for converting granular plastic resin into colored finished or semi-finished plastic parts include a process machine having a barrel with a vertically opening feed throat, a rotatable screw inside the barrel, and a color feed conduit assembly positioned at least partially within the process machine and extending into the barrel for passage of liquid color downwardly through the color feed conduit assembly into proximity with the screw.
    Type: Grant
    Filed: December 13, 2013
    Date of Patent: October 24, 2017
    Inventor: Stephen B. Maguire
  • DRYER CONTROL BY REGULATION OF HOT AIR SUPPLY RATE
    Publication number: 20170261261
    Abstract: Method and apparatus for hot air drying granular polymeric resin material records heating air temperature at a heating air outlet, computes air flow rate through a hopper, maintains desired throughput of granular material being dried in the hopper until heating air outlet temperature is stable, and thereafter maintains air flow rate through the hopper and monitors that air flow rate to adjust the air flow rate to maintain a computed preferred air flow rate through the heating hopper.
    Type: Application
    Filed: March 13, 2017
    Publication date: September 14, 2017
    Inventor: Stephen B. MAGUIRE
  • CONNECTIVE OUTLET FITTING FOR LIQUID COLOR DISPENSING
    Publication number: 20170234470
    Abstract: Apparatus for quick connection and disconnection of conduits and other components to a liquid color pump.
    Type: Application
    Filed: April 28, 2017
    Publication date: August 17, 2017
    Inventor: Stephen B. Maguire
  • HEAT RECOVERY APPARATUS AND METHOD FOR MOLDING
    Publication number: 20170225361
    Abstract: Method for recapturing and reusing heat provided in the course of fabricating a molded plastic product.
    Type: Application
    Filed: April 27, 2017
    Publication date: August 10, 2017
    Inventor: Stephen B. MAGUIRE
  • SELF-CONTROLLED VACUUM POWERED GRANULAR MATERIAL CONVEYING AND LOADING SYSTEM AND METHOD
    Publication number: 20170217694
    Abstract: Method and apparatus for pneumatically conveying granular material from a supply thereof through a conduit to a plurality of receivers for temporary storage of the material prior to molding or extrusion thereof by drawing vacuum in the conduit using a vacuum pump and controlling the vacuum pump in response to sensed vacuum level in the conduit.
    Type: Application
    Filed: March 27, 2017
    Publication date: August 3, 2017
    Inventor: Stephen B. MAGUIRE
  • Liquid color composition with cottonseed oil base
    Patent number: 9708462
    Abstract: A liquid colorant for use in molding or extruding plastic products comprises pigment dispersed in cottonseed oil.
    Type: Grant
    Filed: July 17, 2014
    Date of Patent: July 18, 2017
    Inventor: Stephen B. Maguire
  • LOW PROFILE RECEIVER
    Publication number: 20170190518
    Abstract: A receiver having a horizontally elongated chamber within a housing, the chamber having a convex triangular cross-section and a dump flap defining a bottom vertex of the triangular cross-section, with a horizontal air/vacuum resin material inlet connecting to the chamber, and a horizontal air/vacuum outlet leading from and connected to the chamber.
    Type: Application
    Filed: February 1, 2016
    Publication date: July 6, 2017
    Inventor: Stephen B. MAGUIRE
  • Cottonseed Oil Based Liquid Color Composition and Plastics Coloring Method Using the Same
    Publication number: 20170152366
    Abstract: A liquid colorant for use in molding or extruding plastic products comprises pigment dispersed in cottonseed oil.
    Type: Application
    Filed: February 14, 2017
    Publication date: June 1, 2017
    Inventor: Stephen B. MAGUIRE
  • Tower configuration gravimetric blender
    Patent number: D807414
    Type: Grant
    Filed: October 6, 2016
    Date of Patent: January 9, 2018
    Inventor: Stephen B. Maguire
  • Low profile receiver
    Patent number: D815158
    Type: Grant
    Filed: January 5, 2016
    Date of Patent: April 10, 2018
    Inventor: Stephen B. Maguire