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).

  • MULTI-PLATE QUICK DISCONNECT FITTING
    Publication number: 20170138519
    Abstract: A fitting allowing a quick connection and disconnection of liquid color conduits includes a quick disconnect plate assembly having three plates layered on top of each other, the top plate including guides sized to receive projections extending from structure to which the fitting is to be connected, with the middle plate including stops engaging the same projections upon rotation of the structure.
    Type: Application
    Filed: January 31, 2017
    Publication date: May 18, 2017
    Inventor: Stephen B. MAGUIRE
  • Quarter turn adapter connective outlet fitting for liquid color dispensing
    Patent number: 9637283
    Abstract: Apparatus for allowing a quick connection and disconnection of pump components to a liquid color pump. Apparatus includes a male member received with a female member. The female member is formed from three plates layered on top of each other. Preferably, a quarter turn rotation of the male member in relation to the female member results in the securing of the pump component to the liquid color pump.
    Type: Grant
    Filed: February 9, 2015
    Date of Patent: May 2, 2017
    Inventor: Stephen B. Maguire
  • GRANULAR MATERIAL DELIVERY SYSTEM WITH AIR FLOW LIMITER
    Publication number: 20170107064
    Abstract: Apparatus and methods for conveying granular material from a supply to receivers that retain and dispense the material when needed by process machine include a vacuum pump, an air flow limiter connected to the vacuum pump, a first conduit connecting the receivers to the air flow limiter, and a second conduit connecting the material supply to the receivers.
    Type: Application
    Filed: December 28, 2016
    Publication date: April 20, 2017
    Applicant: Maguire Products, Inc.
    Inventors: Stephen B. MAGUIRE, James ZINSKI
  • METHOD FOR ADJUSTABLY RESTRICTING AIR FLOW AND APPARATUS THEREFOR
    Publication number: 20170101276
    Abstract: Method and apparatus for air flow limiting comprise a vertically oriented tube, a sail assembly positioned in the tube and moveable therewithin responsively to air flow through the tube to limit rate of air flow through the tube and halt air flow through the tube upon air flow rate through the tube exceeding a preselected value, and a moveable stop for adjustably changing the length of travel of the sail assembly thereby changing the maximum amount of air flow.
    Type: Application
    Filed: December 22, 2016
    Publication date: April 13, 2017
    Inventor: Stephen B. MAGUIRE
  • AIR FLOW LIMITER WITH DETECTOR AND METHOD FOR LIMITING AIR FLOW
    Publication number: 20170102716
    Abstract: Method and apparatus for air flow regulation comprise a vertically oriented tube, a sail assembly positioned in the tube and moveable therewithin responsively to air flow through the tube to regulate rate of air flow through the tube and to stop air flow through the tube upon air flow rate through the tube exceeding a preselected value with a detector for sensing when the sail assembly has stopped air flow thought the tube as a result of air flow rate exceeding said pre-selected value.
    Type: Application
    Filed: December 22, 2016
    Publication date: April 13, 2017
    Inventor: Stephen B. MAGUIRE
  • Resin delivery system with air flow regulator
    Patent number: 9604793
    Abstract: Apparatus and methods for conveying granular plastic resin from a supply to receivers that retain and dispense the resin when needed by process machine include a vacuum pump, an air flow limiter connected to the suction head of the vacuum pump, a first conduit connecting the receivers to the air flow limiter, and a second conduit connecting the resin supply to the receivers.
    Type: Grant
    Filed: December 18, 2014
    Date of Patent: March 28, 2017
    Assignee: Maguire Products, Inc.
    Inventors: Stephen B. Maguire, James Zinski
  • Multiple plate quick disconnect sandwich fitting
    Patent number: 9599265
    Abstract: A fitting allowing a quick connection and disconnection of liquid color conduits includes a quick disconnect plate assembly having three plates layered on top of each other, the top plate including guides sized to receive projections extending off structure to which the fitting is to be connected, with the middle plate including stops engaging with the same projections upon rotation of the structure.
    Type: Grant
    Filed: December 31, 2014
    Date of Patent: March 21, 2017
    Inventor: Stephen B. Maguire
  • PUMP ACTUATOR AND METHOD FOR PUMP OPERATION
    Publication number: 20170037839
    Abstract: Method and apparatus for controlling a moveable pumping diaphragm and a liquid color diaphragm pump, including a housing, a movable pin slidably residing within the housing, a potentiometer connected to and residing within the housing for sensing movement of the pin, riding against the diaphragm of the pump and a spring for biasing the pin against the diaphragm.
    Type: Application
    Filed: October 20, 2016
    Publication date: February 9, 2017
    Inventor: Stephen B. MAGUIRE
  • Method and apparatus for resin delivery with adjustable air flow limiter
    Patent number: 9550636
    Abstract: Method and apparatus for air flow limiting comprise a vertically oriented tube, a sail assembly positioned in the tube and moveable therewithin responsively to air flow through the tube to limit rate of air flow through the tube and halt air flow through the tube upon air flow rate through the tube exceeding a preselected value, and a moveable stop for adjustably changing the length of travel of the sail assembly thereby changing the maximum amount of air flow.
    Type: Grant
    Filed: January 22, 2015
    Date of Patent: January 24, 2017
    Inventor: Stephen B. Maguire
  • Air flow limiter with closed/open sensing
    Patent number: 9550635
    Abstract: Method and apparatus for air flow regulation comprise a vertically oriented tube, a sail assembly positioned in the tube and moveable therewithin responsively to air flow through the tube to regulate rate of air flow through the tube and to stop air flow through the tube upon air flow rate through the tube exceeding a preselected value with a detector for sensing when the sail assembly has stopped air flow through the tube as a result of air flow rate exceeding said pre-selected value.
    Type: Grant
    Filed: January 9, 2015
    Date of Patent: January 24, 2017
    Inventor: Stephen B. Maguire
  • VARIABLE FREQUENCY DRIVE COMBINED WITH FLOW LIMITER SET FOR LIMITING FLOW TO SELECTED LEVEL ABOVE DESIGN CHOICE
    Publication number: 20160297625
    Abstract: Apparatus has a vacuum pump for conveying granular plastic resin material from a supply to receivers retaining and dispensing resin when needed by a process machine with a flow limiter connected to the suction head of the vacuum pump, with the vacuum pump being a controlled, variable speed device.
    Type: Application
    Filed: June 15, 2016
    Publication date: October 13, 2016
    Applicant: Novatec, Inc.
    Inventors: James ZINSKI, Stephen B. MAGUIRE
  • METHOD FOR RESIN DELIVERY INCLUDING METERING INTRODUCTION OF EXTERNAL AIR TO MAINTAIN DESIRED VACUUM LEVEL
    Publication number: 20160244275
    Abstract: Method and apparatus for pneumatically conveying granular plastic resin material out of a resin supply to a process machine includes a vacuum pump, a conduit connecting the resin supply to a suction intake of the vacuum pump, a sensor for sensing vacuum level drawn by the pump at the suction inlet and a valve for supplying air to the conduit.
    Type: Application
    Filed: February 24, 2016
    Publication date: August 25, 2016
    Inventor: Stephen B. MAGUIRE
  • VARIABLE OPENING SLIDE GATE FOR REGULATING MATERIAL FLOW INTO AIRSTREAM
    Publication number: 20160214793
    Abstract: Apparatus for delivering controlled amounts of granular resin into a conveying conduit includes a hopper for storing the resin, an air cylinder, a double-ended piston within the air cylinder, passive and active piston rods extending from opposite sides of the piston out of the ends of the cylinder, and a slide gate connected to the active piston rod, with the slide gate being positioned between a discharge opening of the hopper and an opening in the conveying conduit.
    Type: Application
    Filed: January 26, 2016
    Publication date: July 28, 2016
    Inventors: Stephen B. MAGUIRE, James ZINSKI
  • Vacuum loading method
    Patent number: 9394119
    Abstract: A vacuum loader for providing granular resin material to resin material processing equipment has a loader housing, a vacuum motor, a dust filter, an air blast generator, a dump flap, and a pivoting manually releasable latch for retaining the lateral web and the loader from tilting rotation of the loader about the shaft and supporting the loader when placed in a tilted orientation; the latch being weighted to pivotally return to a web-retaining position when released by an operator.
    Type: Grant
    Filed: March 24, 2014
    Date of Patent: July 19, 2016
    Inventor: Stephen B. Maguire
  • Tiltable vacuum loader
    Patent number: 9387996
    Abstract: A vacuum loader for providing granular resin material to resin material processing equipment has a loader housing, a vacuum motor, a dust filter, an air blast generator, a dump flap, and a pivoting manually releasable latch for retaining the lateral web and the loader from tilting rotation of the loader about the shaft and supporting the loader when placed in a tilted orientation; the latch being weighted to pivotally return to a web-retaining position when released by an operator.
    Type: Grant
    Filed: March 21, 2014
    Date of Patent: July 12, 2016
    Inventor: Stephen B. Maguire
  • RESIN DELIVERY APPARATUS AND METHOD WITH PLURAL AIR FLOW LIMITERS
    Publication number: 20160185538
    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: Application
    Filed: March 10, 2016
    Publication date: June 30, 2016
    Applicant: Novatec, Inc.
    Inventors: James ZINSKI, Stephen B. MAGUIRE
  • RESIN DELIVERY METHOD AND APPARATUS USING MULTIPLE SENSORS FOR OPTIMAL VACUUM PUMP OPERATION
    Publication number: 20160185537
    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: March 9, 2016
    Publication date: June 30, 2016
    Applicant: Novatec, Inc.
    Inventors: James ZINSKI, Stephen B. MAGUIRE
  • Air flow regulator
    Patent number: 9371198
    Abstract: Method and apparatus for air flow regulation comprise a vertically oriented tube and a sail assembly positioned in the tube and moveable therewithin responsively to air flow through the tube to regulate rate of air flow through the tube and stop air flow through the tube upon air flow rate through the tube exceeding a preselected value.
    Type: Grant
    Filed: February 20, 2014
    Date of Patent: June 21, 2016
    Inventor: Stephen B. Maguire
  • VACUUM DRYING METHOD
    Publication number: 20160151936
    Abstract: A method for drying granular plastic resin that is to be molded or extruded into finished parts mixes pre-determined weights of plastic resin material components into a homogeneous blend and sequentially heats and vacuum dries batch portions of the blend with a next succeeding batch portion being heated while a current batch portion is vacuum dried.
    Type: Application
    Filed: February 3, 2016
    Publication date: June 2, 2016
    Inventor: Stephen B. MAGUIRE
  • MOLDED DIAPHRAGM LIQUID COLOR PUMP
    Publication number: 20160040661
    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: Application
    Filed: October 19, 2015
    Publication date: February 11, 2016
    Inventor: Stephen B. MAGUIRE