Patents by Inventor John B. Hedderick

John B. Hedderick 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: 5062548
    Abstract: A beverage dispensing system has a valve in a tap controlling dispensing of the beverage through a first passage from a second rigid or flexible container. Air, nitrogen (or other inert gas) or carbon dioxide gas from a passage is introduced into the beverage in the first passage during dispensing for development of a head of froth. The introduced gas flows under pressure (which is preferably adjustable) from the second passage and by way of a capilliary tube restrictor and a non return valve communicating with the tube into the beverage in the first passage. The non return valve has a resilient diaphragm which normally closes that valve and is displaceable under gas pressure to admit the gas to the beverage. A labyrinthine mixer is located in the first passage downstream of the position where the gas is introduced.
    Type: Grant
    Filed: January 28, 1991
    Date of Patent: November 5, 1991
    Assignee: Arthur Guinness Son and Company (Great Britian) Limited
    Inventors: John B. Hedderick, Brian R. Rutty, David G. Page, John J. Walshe
  • Patent number: 5029733
    Abstract: A beverage dispensing system and distributing process with such a system has a flexible bag 1 containing the beverage which may have carbon dioxide dissolved therein. The beverage is drawn off through a pipe 3 (assisted by a pump 8) for dispensing through nozzle 5 having a tap 6. Carbon dioxide, nitrogen (or other inert gas) and/or air gases are introduced into the beverage through a passage 11 by way of a fixed orifice restrictor 12 and a non-return valve 13. The pressure of the gas which is introduced is adjustable at 14 and baffles 15 can provide turbulence in the beverage during dispensing to promote the dissolution of the introduced gas therein.The facility to introduce the gas or gases permits the beverage in the bag 1 to have a low content of carbon dioxide so that the bag collapses under atmospheric pressure while the beverage as dispensed is additionally gasified for the formation of a froth or head.
    Type: Grant
    Filed: October 21, 1988
    Date of Patent: July 9, 1991
    Assignee: Guinness Brewing Worldwide Limited
    Inventors: John B. Hedderick, Brian R. Rutty
  • Patent number: 4818444
    Abstract: A fluid pressure control valve and a fluid control system (such as for beverage dispensing) with such a valve has a beverage passage 3, pressure fluctuations in which are detected by a diaphragm 17 to displace a sensing member 15 axially against spring loading 23. Spring 23 reacts on thrust member 22 which is adjustable axially through a cam mechanism 25/26 to vary the biasing force of spring 23. A valve member 20 spring loaded at 21 relative to thrust member 15 normally closes an exhaust port 19 to an air or other gas passage 5 through which gas passes under pressure to be injected into the beverage from passage 3. An increase in beverage pressure in passage 3 displaces sensing member 15 to increase the spring biasing 21 on the closure member 20 and reduce the proportion of air which can escape to atmosphere from passage 5 through exhaust port 19 to provide an increase in air flow into the beverage.
    Type: Grant
    Filed: April 28, 1988
    Date of Patent: April 4, 1989
    Assignee: Arthur Guinness Son and Company (Great Britain) Limited
    Inventors: John B. Hedderick, Brian R. Rutty, John J. Walshe