Patents by Inventor David John Pritchett

David John Pritchett 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).

  • Patent number: 11117147
    Abstract: A dispenser for dispensing a flowable product from a container has a pump module mounted on the container at an opening thereof. The pump module includes a pump body, which defines a pump chamber and a pump chamber inlet for product to flow from the container interior into the pump chamber. A pump actuator is operable in a pumping stroke relative to the pump body to vary the volume of the pump chamber and dispense the product. The pump includes a movable body portion which is operable in a displacement stroke into the container. The movable portion has a displacement body with a product-engaging face directed onto an interior product space of the container upstream of the pump chamber inlet, to assist priming. Below this a disrupter member, a grid of narrow bars, projects to penetrate the product.
    Type: Grant
    Filed: November 4, 2019
    Date of Patent: September 14, 2021
    Inventors: Simon Christopher Knight, David John Pritchett, Thomas P. Kasting, Mark Edward Box, Raymond Yu
  • Publication number: 20200061649
    Abstract: A dispenser for dispensing a flowable product from a container has a pump module mounted on the container at an opening thereof. The pump module includes a pump body, which defines a pump chamber and a pump chamber inlet for product to flow from the container interior into the pump chamber. A pump actuator is operable in a pumping stroke relative to the pump body to vary the volume of the pump chamber and dispense the product. The pump includes a movable body portion which is operable in a displacement stroke into the container. The movable portion has a displacement body with a product-engaging face directed onto an interior product space of the container upstream of the pump chamber inlet, to assist priming. Below this a disrupter member, a grid of narrow bars, projects to penetrate the product.
    Type: Application
    Filed: November 4, 2019
    Publication date: February 27, 2020
    Inventors: Simon Christopher Knight, David John Pritchett, Thomas P. Kasting, Mark Edward Box, Raymond Yu
  • Patent number: 10464088
    Abstract: A dispenser for dispensing a flowable product from a container has a pump module mounted on the container at an opening thereof. The pump module includes a pump body, which defines a pump chamber and a pump chamber inlet for product to flow from the container interior into the pump chamber. A pump actuator is operable in a pumping stroke relative to the pump body to vary the volume of the pump chamber and dispense the product. The pump includes a movable body portion which is operable in a displacement stroke into the container. The movable portion has a displacement body with a product-engaging face directed onto an interior product space of the container upstream of the pump chamber inlet, to assist priming. Below this a disrupter member, a grid of narrow bars, projects to penetrate the product.
    Type: Grant
    Filed: April 11, 2017
    Date of Patent: November 5, 2019
    Assignee: RIEKE PACKAGING SYSTEMS LIMITED
    Inventors: Simon Christopher Knight, David John Pritchett, Thomas P. Kasting, Mark Edward Box, Raymond Yu
  • Publication number: 20170216862
    Abstract: A dispenser for dispensing a flowable product from a container has a pump module mounted on the container at an opening thereof. The pump module includes a pump body, which defines a pump chamber and a pump chamber inlet for product to flow from the container interior into the pump chamber. A pump actuator is operable in a pumping stroke relative to the pump body to vary the volume of the pump chamber and dispense the product. The pump includes a movable body portion which is operable in a displacement stroke into the container. The movable portion has a displacement body with a product-engaging face directed onto an interior product space of the container upstream of the pump chamber inlet, to assist priming. Below this a disrupter member, a grid of narrow bars, projects to penetrate the product.
    Type: Application
    Filed: April 11, 2017
    Publication date: August 3, 2017
    Inventors: Simon Christopher Knight, David John Pritchett, Thomas P. Kasting, Mark Edward Box, Raymond Yu
  • Publication number: 20160355304
    Abstract: A dosing device for dispensing liquid from a container (1) in which flow through flow openings (23) to an outlet tube (44) is blocked after controlled delay by an obturator (3) moveable within a control chamber (2) mounted in a container neck (101) behind the outlet tube (44). Movement of the obturator (3) is governed by restricted flow through control openings (28) at the rear of the control chamber. Restoration of the obturator to the back of the control chamber facilitates repeated dosing. An elastomeric element (6) of resiliently deformable material promotes a seal to achieve a cleanly defined dose. In one proposal the elastomeric element coats the surface of the obturator and/or the outlet tube (64) to cut off the flow. Another proposal provides a one-way elastomeric valve element (63) for blocking the flow openings to enable rapid recovery after a dosing operation.
    Type: Application
    Filed: August 16, 2016
    Publication date: December 8, 2016
    Inventors: Brian Robert Law, Jeffrey William Spencer, David John Pritchett
  • Patent number: 9433960
    Abstract: A dosing device for dispensing liquid from a container (1) in which flow through flow openings (23) to an outlet tube (44) is blocked after controlled delay by an obturator (3) moveable within a control chamber (2) mounted in a container neck (101) behind the outlet tube (44). Movement of the obturator (3) is governed by restricted flow through control openings (28) at the rear of the control chamber. Restoration of the obturator to the back of the control chamber facilitates repeated dosing. An elastomeric element (6) of resiliently deformable material promotes a seal to achieve a cleanly defined dose. In one proposal the elastomeric element coats the surface of the obturator and/or the outlet tube (64) to cut off the flow. Another proposal provides a one-way elastomeric valve element (63) for blocking the flow openings to enable rapid recovery after a dosing operation.
    Type: Grant
    Filed: September 9, 2013
    Date of Patent: September 6, 2016
    Assignee: Rieke Corporation
    Inventors: Brian Robert Law, Jeffrey William Spencer, David John Pritchett
  • Patent number: 9346068
    Abstract: The invention relates to dispensers for fluid products, particularly oral dosing of medicines. The dispenser is a pump dispenser and has a separate nozzle attachment. The nozzle and dispenser may be uncoupled in a holding position or coupled position. A child resistance feature is disclosed which prevents unauthorized coupling of the dispenser and nozzle, thereby preventing unauthorized dispensing of product. The child resistance feature only allows coupling of the dispenser and nozzle when a coupling control element is triggered and then maintains this coupling with additional features. A protective cover for the dispenser is also disclosed, which covers the nozzle attachment and pump plunger button.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: May 24, 2016
    Assignee: Rieke Corporation
    Inventors: Simon Christopher Knight, Joseph Stanley Brunton, David John Pritchett
  • Patent number: 9211559
    Abstract: Pump dispenser, particularly a movable-nozzle pump dispenser, is intended especially for use in dispensing oral medicines e.g. to children. One feature disclosed is a tooth or ratchet structure engageable between the plunger head and the pump cylinder body. This enables optional holding of the plunger at an intermediate position during a dispensing stroke, so that a dose can be given bit by bit. Other proposals are formations around the top of the cylinder body which interact with the inside of the plunger to control or limit movement of the plunger according to their relative rotational orientation. For example the plunger may be locked up unless turned forcibly past a rotational stop. A related feature is a spring lock tab preventing rotation of the plunger unless the tab is pressed to release it. The product container may contain balls to cause agitation.
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: December 15, 2015
    Assignee: RIEKE CORPORATION
    Inventors: Brian Robert Law, David John Pritchett, Roy Cox
  • Patent number: 9199258
    Abstract: A pump dispenser includes a container whose top opening is closed off by a base structure of a pump module. The structure is shaped to guide air to an air pocket region adjacent the wall. This air pocket region communicates with the pump inlet opening so that air can be discharged. The pump may include a pump body and a plunger which incorporate respective different ones of a click projection and a click actuating formation, constituting a click indicator.
    Type: Grant
    Filed: December 30, 2014
    Date of Patent: December 1, 2015
    Assignee: Rieke Corporation
    Inventors: David John Pritchett, Simon Christopher Knight, Joseph Stanley Brunton
  • Publication number: 20150122847
    Abstract: A pump dispenser includes a container whose top opening is closed off by a base structure of a pump module. The structure is shaped to guide air to an air pocket region adjacent the wall. This air pocket region communicates with the pump inlet opening so that air can be discharged. The pump may include a pump body and a plunger which incorporate respective different ones of a click projection and a click actuating formation, constituting a click indicator.
    Type: Application
    Filed: December 30, 2014
    Publication date: May 7, 2015
    Inventors: David John Pritchett, Simon Christopher Knight, Joseph Stanley Brunton
  • Patent number: 9016967
    Abstract: Applicators are described suitable for the application of liquid to patient's skin. An applicator pad (3) is supported on a support flange (23) of an applicator housing (2), which receives a liquid cartridge (5). To moderate the rush of liquid on to the back of the applicator pad a flow distributor plate (6) is positioned on the rear position of the pad (3), restricting flow onto the pad to an annular slit opening around the plate (6). The front surface of the plate (6), opposing the pad (3), may have one or more grooves so that liquid can flow from the edge towards the center. Also disclosed, as an alternative, is the use of a projecting cantilevered tongue structure to distribute liquid across the rear surface of the sponge pad. The pad may have a hooked lobe shape for a front end of the applicator pad.
    Type: Grant
    Filed: February 9, 2012
    Date of Patent: April 28, 2015
    Assignee: Rieke Corporation
    Inventors: Brian Robert Law, David John Pritchett
  • Patent number: 9010584
    Abstract: A pump dispenser is intended for oral administration of medicines. A pump receives fluid product through a valved inlet from a container, preferably of the airless type with a follower piston. The dispenser may be a movable-nozzle or fixed-nozzle dispenser. The discharge outlet of the dispenser has a stub nozzle incorporating a closure valve. A spring urges the closure valve forward to close a discharge opening of the stub nozzle. The nozzle attachment is shaped for oral dosing and has an internal rearwardly-projecting actuating structure which, when the nozzle attachment is coupled onto the stub nozzle, pushes the closure valve open. When the nozzle attachment is removed the spring closes the outlet again. Child-resistant features are described for fitting the nozzle attachment to the stub nozzle.
    Type: Grant
    Filed: December 27, 2012
    Date of Patent: April 21, 2015
    Assignee: Rieke Corporation
    Inventors: Brian Robert Law, David John Pritchett, Roy Cox
  • Publication number: 20150100017
    Abstract: The invention relates to dispensers for fluid products, particularly oral dosing of medicines. The dispenser is a pump dispenser and has a separate nozzle attachment. The nozzle and dispenser may be uncoupled in a holding position or coupled position. A child resistance feature is disclosed which prevents unauthorised coupling of the dispenser and nozzle, thereby preventing unauthorised dispensing of product. The child resistance feature only allows coupling of the dispenser and nozzle when a coupling control element is triggered and then maintains this coupling with additional features. A protective cover for the dispenser is also disclosed, which covers the nozzle attachment and pump plunger button.
    Type: Application
    Filed: December 12, 2014
    Publication date: April 9, 2015
    Inventors: Simon Christopher Knight, Joseph Stanley Brunton, David John Pritchett
  • Patent number: 8939323
    Abstract: The invention relates to dispensers for fluid products, particularly oral dosing of medicines. The dispenser is a pump dispenser and has a separate nozzle attachment. The nozzle and dispenser may be uncoupled in a holding position or coupled position. A child resistance feature is disclosed which prevents unauthorized coupling of the dispenser and nozzle, thereby preventing unauthorized dispensing of product. The child resistance feature only allows coupling of the dispenser and nozzle when a coupling control element is triggered and then maintains this coupling with additional features. A protective cover for the dispenser is also disclosed, which covers the nozzle attachment and pump plunger button.
    Type: Grant
    Filed: June 30, 2014
    Date of Patent: January 27, 2015
    Assignee: Rieke Corporation
    Inventors: Simon Christopher Knight, Joseph Stanley Brunton, David John Pritchett
  • Publication number: 20140312072
    Abstract: The invention relates to dispensers for fluid products, particularly oral dosing of medicines. The dispenser is a pump dispenser and has a separate nozzle attachment. The nozzle and dispenser may be uncoupled in a holding position or coupled position. A child resistance feature is disclosed which prevents unauthorised coupling of the dispenser and nozzle, thereby preventing unauthorised dispensing of product. The child resistance feature only allows coupling of the dispenser and nozzle when a coupling control element is triggered and then maintains this coupling with additional features. A protective cover for the dispenser is also disclosed, which covers the nozzle attachment and pump plunger button.
    Type: Application
    Filed: June 30, 2014
    Publication date: October 23, 2014
    Inventors: Simon Christopher Knight, Joseph Stanley Brunton, David John Pritchett
  • Patent number: 8827121
    Abstract: A dispenser pump is disclosed of the moveable-nozzle type, arranged for sealing a vent path in the extended position of the pump plunger. A pump body includes an internal collar formed at the lower end of a tubular insert, through which the vent path passes. This collar has a seal portion. The plunger has a complementary seal portion which makes a guided and fitting engagement with the collar seal portion. One or both of the plunger seal portion and the collar seal portion is formed as an annular taper, so that the seal portions are guided into close engagement with one another. Plunger lock-down formations are constructed to engage at the bottom of the body insert and remain below the top opening of the body.
    Type: Grant
    Filed: November 22, 2010
    Date of Patent: September 9, 2014
    Assignee: Rieke Corporation
    Inventors: Brian Robert Law, David John Pritchett
  • Publication number: 20140008398
    Abstract: A dosing device for dispensing liquid from a container (1) in which flow through flow openings (23) to an outlet tube (44) is blocked after controlled delay by an obturator (3) moveable within a control chamber (2) mounted in a container neck (101) behind the outlet tube (44). Movement of the obturator (3) is governed by restricted flow through control openings (28) at the rear of the control chamber. Restoration of the obturator to the back of the control chamber facilitates repeated dosing. An elastomeric element (6) of resiliently deformable material promotes a seal to achieve a cleanly defined dose. In one proposal the elastomeric element coats the surface of the obturator and/or the outlet tube (64) to cut off the flow. Another proposal provides a one-way elastomeric valve element (63) for blocking the flow openings to enable rapid recovery after a dosing operation.
    Type: Application
    Filed: September 9, 2013
    Publication date: January 9, 2014
    Inventors: Brian Robert Law, Jeffrey William Spencer, David John Pritchett
  • Patent number: 8556529
    Abstract: An applicator includes an applicator body, an applicator pad attached at a front part of the applicator body, and a pre-loaded container of liquid received in \ the applicator body. The applicator body defines a flow path from the container to the applicator pad. The container includes a front closure portion which is openable to allow liquid to flow from the container into the flow path. The applicator body has a structure which interacts with the front of the container when the container is moved to an opening position relative to the applicator body to open the openable front closure portion. Wherein the container defines a front chamber and a rear chamber with a liquid-impermeable intermediate barrier therebetween. Wherein the container includes a longitudinal pusher element extending relatively movably between the ends of the front chamber.
    Type: Grant
    Filed: February 9, 2012
    Date of Patent: October 15, 2013
    Assignee: Rieke Corporation
    Inventors: Brian Robert Law, David John Pritchett
  • Patent number: 8556130
    Abstract: A pump dispenser in which the associated container interior reduces its volume progressively as product is dispensed to avoid air contact with the product. An air trap member having a downwardly-convex dish form is provided below a floor of the associated dispenser module around an inlet to guide any such air away from the inlet. A peripheral portion forms a retaining lip for flexible wiping contact with the container wall interior, allowing air passage on assembly of the dispenser. A central tubular formation of the trap member separates the trapped air from the inlet and can be used to plug the trap member into the inlet.
    Type: Grant
    Filed: January 14, 2011
    Date of Patent: October 15, 2013
    Assignee: Rieke Corporation
    Inventors: Brian Robert Law, David John Pritchett
  • Patent number: 8528795
    Abstract: A dosing device for dispensing liquid from a container (1) in which flow through flow openings (23) to an outlet tube (44) is blocked after controlled delay by an obturator (3) moveable within a control chamber (2) mounted in a container neck (101) behind the outlet tube (44). Movement of the obturator (3) is governed by restricted flow through control openings (28) at the rear of the control chamber. Restoration of the obturator to the back of the control chamber facilitates repeated dosing. An elastomeric element (6) of resiliently deformable material promotes a seal to achieve a cleanly defined dose. In one proposal the elastomeric element coats the surface of the obturator and/or the outlet tube (64) to cut off the flow. Another proposal provides a one-way elastomeric valve element (63) for blocking the flow openings to enable rapid recovery after a dosing operation.
    Type: Grant
    Filed: February 28, 2011
    Date of Patent: September 10, 2013
    Assignee: Rieke Corporation
    Inventors: Brian Robert Law, Jeffrey William Spencer, David John Pritchett