Patents by Inventor Geoffrey Chan

Geoffrey Chan 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: 6845884
    Abstract: Disclosed is a multi-chambered tube for containing and dispensing a contents comprised of portions having differing rheology and viscosity characteristics, the tube comprising: (a) a body divided by at least one body divider into at least two body chambers, each body chamber housing a portion of the contents, the body being sealed at one end by a crimp seal and one end of each body divider being sealed within the crimp seal; (b) a shoulder comprised of a shoulder base and a shoulder nozzle, the shoulder base being attached to the body, the shoulder nozzle having a face provided with at least two apertures, at least one aperture in communication with each of the body chambers, and the other end of each body divider disposed within the shoulder and being sealed at the face of the shoulder nozzle; (c) a cap comprised of a cap body provided with a dispensing orifice and at least one cap divider that separates the cap body into at least two cap chambers, each cap chamber being in communication with one of the body
    Type: Grant
    Filed: March 9, 2004
    Date of Patent: January 25, 2005
    Assignee: The Procter & Gamble Company
    Inventors: John Geoffrey Chan, Li Li
  • Patent number: 6817365
    Abstract: A cigarette paper includes heat-degradable filler particles to increase the porosity of the cigarette paper during smoking of the cigarette. The porosity of the cigarette paper during smoking of the cigarette will typically be from about 30% to abut 60%. The heat-degradable filler particles are capable of being dissipated at temperatures from about 25° C. to about 350° C. and/or at distances from about 0.1 mm to about 10 mm in advance of a charline formed in the cigarette paper during combustion of the cigarette. Methods of making the cigarette paper, a cigarette using the cigarette paper, and methods for making and smoking such a cigarette are also provided.
    Type: Grant
    Filed: November 15, 2001
    Date of Patent: November 16, 2004
    Assignee: Philip Morris USA Inc.
    Inventors: Mohammad Hajaligol, W. Geoffrey Chan
  • Publication number: 20040200016
    Abstract: An electric toothbrush is provided. The electric toothbrush has an elongate body having a handle, a head, and a neck extending between the handle and the head. The body has an interior chamber with a motor. A shaft is operatively connected to the motor. A first movable bristle carrier is disposed on the head. The shaft is operatively connected to the first bristle carrier to impart motion thereto. The first bristle carrier has a first composite tuft formed from a plurality of closely spaced bristle tufts and a plurality of second bristle tufts. The second tufts have a height that is greater than a height of the first composite tuft. The bristles of the first composite tuft having free ends and the bristles of the second tufts having free ends.
    Type: Application
    Filed: April 9, 2003
    Publication date: October 14, 2004
    Applicant: The Procter & Gamble Company
    Inventors: John Geoffrey Chan, Wang Ping
  • Publication number: 20040177458
    Abstract: An electric toothbrush is provided. The electric toothbrush has an elongated body including a handle, a head, and a neck extending between the handle and the head. A first bristle carrier having a plurality of bristles and a second bristle carrier having a plurality of bristles are disposed on the head and each of the first and second bristle carriers have an opening. An electric motor is operatively connected to a shaft, wherein operation of the electric motor moves the shaft in an orbital motion and wherein the shaft is operatively connected to the first and second bristle carriers to move the first and second bristle carriers.
    Type: Application
    Filed: March 10, 2003
    Publication date: September 16, 2004
    Applicant: The Procter & Gamble Company
    Inventors: John Geoffrey Chan, Patrick William Brown, Donald Clarence Fuchs, Douglas Alan Gall, Trevor Leslie Jackson, Jeffrey Michael Kalman, Mark Louis Vitantonio
  • Publication number: 20040173632
    Abstract: Disclosed is a multi-chambered tube for containing and dispensing a contents comprised of portions having differing rheology and viscosity characteristics, the tube comprising: (a) a body divided by at least one body divider into at least two body chambers, each body chamber housing a portion of the contents, the body being sealed at one end by a crimp seal and one end of each body divider being sealed within the crimp seal; (b) a shoulder comprised of a shoulder base and a shoulder nozzle, the shoulder base being attached to the body, the shoulder nozzle having a face provided with at least two apertures, at least one aperture in communication with each of the body chambers, and the other end of each body divider disposed within the shoulder and being sealed at the face of the shoulder nozzle; (c) a cap comprised of a cap body provided with a dispensing orifice and at least one cap divider that separates the cap body into at least two cap chambers, each cap chamber being in communication with one of the body
    Type: Application
    Filed: March 9, 2004
    Publication date: September 9, 2004
    Applicant: The Procter & Gamble Company
    Inventors: John Geoffrey Chan, Li Li
  • Publication number: 20040134001
    Abstract: A toothbrush having a replaceable head attachment is disclosed. The toothbrush includes a brush head that is releasably engaged to a handle portion and utilizes a threaded engagement configuration between the two components.
    Type: Application
    Filed: September 10, 2003
    Publication date: July 15, 2004
    Applicant: The Procter & Gamble Company
    Inventor: John Geoffrey Chan
  • Publication number: 20040128780
    Abstract: An electric toothbrush is disclosed having a flexible neck. Particular degrees of lateral, rearward, and forward flexibility of a brush head with respect to the handle of the toothbrush are achieved by utilizing polymer blends.
    Type: Application
    Filed: September 10, 2003
    Publication date: July 8, 2004
    Applicant: The Procter & Gamble Company
    Inventor: John Geoffrey Chan
  • Publication number: 20040128779
    Abstract: An improved housing for an electric toothbrush is disclosed. The improved housing provides two symmetrically positioned gripping members which assist the user in grasping the toothbrush particularly during brushing. Each of the gripping members includes a recessed gripping region having particular dimensional characteristics. The two gripping members are symmetrically arranged on the rearward sides of the toothbrush so that the brush may be used by both left-handed and right-handed individuals. A third gripping member may also be provided along the housing of the toothbrush.
    Type: Application
    Filed: September 10, 2003
    Publication date: July 8, 2004
    Applicant: The Procter & Gamble Company
    Inventors: John Geoffrey Chan, John Roy Whitney, Patrick William Brown
  • Publication number: 20040107521
    Abstract: An electric toothbrush is provided. The electric toothbrush includes a housing, a brush head, and a neck extending between the housing and the brush head. The housing has a hollow interior. A movable bristle carrier is disposed on the brush head. An electric motor is disposed in the hollow interior of the housing, and the motor is operatively connected to the movable bristle carrier to impart a rotating or oscillating motion thereto. A first plurality of tufts are arranged in a first ring of the movable bristle carrier, each of the first plurality of tufts has a plurality of first bristles. A second plurality of tufts is arranged in a second ring inside of the first ring. Each of the second plurality of tufts has a plurality of second bristles, wherein at least some of the second plurality of tufts have a diameter that is greater than a diameter of at least some of the first plurality of tufts.
    Type: Application
    Filed: December 6, 2002
    Publication date: June 10, 2004
    Applicant: The Procter & Gamble Company
    Inventors: John Geoffrey Chan, Wang Ping
  • Publication number: 20030226223
    Abstract: An electric toothbrush having a particular assembly, bristle configuration, and drive mechanism is disclosed. The assembly, bristle configuration, and drive mechanism are such that operation of the brush is highly efficient and more economical than currently known toothbrushes. Specifically, an electric toothbrush is disclosed comprising a body, a head, and a neck extending therebetween. The head utilizes one of several unique and preferred arrangements of static and movable bristles. The static bristles at least partially surround the collection of movable bristles which are provided on a movable bristle carrier. A motor and drive train impart motion to the collection of movable bristles. Also disclosed is a toothbrush having a simplified and improved assembly. The toothbrush includes a unique assembly utilizing a one-piece housing in combination with a movable bristle carrier that is engaged on a brush head of the toothbrush, and a stationary brush head tip which is secured thereto.
    Type: Application
    Filed: October 21, 2002
    Publication date: December 11, 2003
    Applicant: The Procter & Gamble Co.
    Inventor: John Geoffrey Chan
  • Publication number: 20030106905
    Abstract: Disclosed is a multi-chambered tube for containing and dispensing a contents, comprising: (a) a body divided by at least one divider wall into at least two chambers, each chamber housing a portion of the contents, the body being sealed at one end by a crimp seal and one end of the divider wall being sealed within the crimp seal; (b) a shoulder attached to the body; (c) a nozzle attached to the shoulder and provided with an orifice through which the contents are dispensed; (d) a flow regulating element located in the shoulder of the tube and being comprised of as many sections as there are body chambers, and each section being provided with at least one aperture; (e) at least one partition separating the sections of the flow regulating element from each other and dividing the nozzle into as many nozzle chambers as there are body chambers, each nozzle chamber being in communication with a body chamber via the aperture(s) in the corresponding section of the flow regulating element.
    Type: Application
    Filed: January 15, 2003
    Publication date: June 12, 2003
    Applicant: The Procter & Gamble Company
    Inventors: John Geoffrey Chan, Li Li
  • Publication number: 20030106903
    Abstract: Disclosed is a multi-chambered tube for containing and dispensing a contents comprised of portions having differing rheology and viscosity characteristics, the tube comprising: (a) a body divided by at least one body divider into at least two body chambers, each body chamber housing a portion of the contents, the body being scaled at one end by a crimp seal and one end of each body divider being sealed within the crimp seal; (b) a shoulder comprised of a shoulder base and a shoulder nozzle, the shoulder base being attached to the body, the shoulder nozzle having a face provided with at least two apertures, at least one aperture in communication with each of the body chambers, and the other end of each body divider disposed within the shoulder and being sealed at the face of the shoulder nozzle; (c) a cap comprised of a cap body provided with a dispensing orifice and at least one cap divider that separates the cap body into at least two cap chambers, each cap chamber being in communication with one of the body
    Type: Application
    Filed: January 15, 2003
    Publication date: June 12, 2003
    Applicant: The Procter & Gamble Company
    Inventors: John Geoffrey Chan, Li Li
  • Publication number: 20030089377
    Abstract: A cigarette paper includes heat-degradable filler particles to increase the porosity of the cigarette paper during smoking of the cigarette. The porosity of the cigarette paper during smoking of the cigarette will typically be from about 30% to abut 60%. The heat-degradable filler particles are capable of being dissipated at temperatures from about 25° C. to about 350° C. and/or at distances from about 0.1 mm to about 10 mm in advance of a charline formed in the cigarette paper during combustion of the cigarette. Methods of making the cigarette paper, a cigarette using the cigarette paper, and methods for making and smoking such a cigarette are also provided.
    Type: Application
    Filed: November 15, 2001
    Publication date: May 15, 2003
    Inventors: Mohammad Hajaligol, W. Geoffrey Chan
  • Publication number: 20030084528
    Abstract: An electric toothbrush is provided. The electric toothbrush includes a handle having a motor disposed therein, a head having a longitudinal axis, and a neck disposed between the handle and the head. First and second bristle holders are associated with the head. The first bristle holder oscillates or rotates. The second bristle holder is reciprocates in generally the same direction as the longitudinal axis of the head but does not rotate or oscillate. The motor is operatively connected to the first and second bristle holders.
    Type: Application
    Filed: July 30, 2002
    Publication date: May 8, 2003
    Applicant: The Procter & Gamble Company
    Inventors: John Geoffrey Chan, Wang Ping, Lawrence A. Blaustein, Douglas A. Gall, Patrick W. Brown
  • Publication number: 20020032427
    Abstract: A disposable pull-on diaper (10) comprising an outer surface, an inner surface, a front portion (11), a rear portion (12), a crotch portion (13), each of said front portion (11) and said rear portion (12) having side panels with side edges (14), and overlapping side seams (15) which join together said side panels of said front portion (11) and said rear portion (12) to form leg openings (16) and a waist area characterized in that at least one side flap (17) is disposed outboard of each of the side edges (14) of said side panels forming the outermost portion of said overlapping side seams (15).
    Type: Application
    Filed: April 30, 1999
    Publication date: March 14, 2002
    Inventors: CHRISTOPH JOHANN SCHMITZ, JOHN GEOFFREY CHAN
  • Patent number: 6116247
    Abstract: A cleaning unit used to clean condensates formed during use of a component of a smoking system. The component can be a heating fixture having a cigarette receiving section and a plurality of longitudinally extending circumferentially spaced apart heating elements located within a can which accumulates the condensates. During a cleaning operation, the heating fixture is fitted within a cavity in the cleaning unit such that the cigarette receiving end of the heating fixture engages an O-ring and the terminal base portion abuts against an indented stop in an interior sidewall of a removable portion of the housing. The cleaning unit includes a water inlet connected to a source of pressurized water such as a faucet and a spray member extends into the cigarette receiving section to spray jets of water against the interior of the can.
    Type: Grant
    Filed: October 21, 1998
    Date of Patent: September 12, 2000
    Assignee: Philip Morris Incorporated
    Inventors: Joseph Leslie Banyasz, Aubry T. Burton, John M. Campbell, Woontung Geoffrey Chan, Mary Ellen Counts, William James Crowe, Jay A Fournier, Patrick H. Hayes, Willie Gray Houck, Jr., Robert E. Lee, III, Donald Bruce Losee, John B. Paine, III, Robert L. Ripley, Charles Edwin Thomas, Jr.
  • Patent number: 5538018
    Abstract: This invention provides a cigarette product which releases vanillin or ethylvanillin aroma in sidestream smoke under cigarette smoking conditions. The paper wrapper of the cigarette product has a content of a flavorant-release additive which is a novel 3-vanillyl-2-hydroxypropyl or 3-ethylvanillyl-2-hydroxypropyl substituted ether derivative of cellulose.
    Type: Grant
    Filed: April 5, 1995
    Date of Patent: July 23, 1996
    Assignees: Philip Morris Incorporated, Philip Morris Products Inc.
    Inventors: W. Geoffrey Chan, Yoram Houminer, Ernst K. Just, Makram H. Meshreki, Susan S. Tafur
  • Patent number: 5301693
    Abstract: This invention provides smoking compositions which contain a novel .beta.-hydroxycarboxylate flavorant-release additive. Under cigarette smoking conditions, a combustible filler and/or paper wrapper additive such as calcium bis(2,2-diethyl-3-hydroxy-4-phenylmethylenedecanoate) pyrolyzes and releases .alpha.-hexylcinnamaldehyde as a volatile flavorant component of the cigarette smoke.
    Type: Grant
    Filed: July 9, 1992
    Date of Patent: April 12, 1994
    Assignees: Philip Morris Incorporated, Philip Morris Products Inc.
    Inventors: W. Geoffrey Chan, William B. Edwards, III, Harvey J. Grubbs, Yoram Houminer, Charles R. Howe, John D. Naworal, John B. Paine, III, Kenneth F. Podraza, Edward B. Sanders, Jeffrey I. Seeman, Everett W. Southwick
  • Patent number: D461959
    Type: Grant
    Filed: May 21, 2001
    Date of Patent: August 27, 2002
    Assignee: The Procter & Gamble Company
    Inventors: John Geoffrey Chan, Ping Wang, Ying Ouyang, Jing Li
  • Patent number: D499884
    Type: Grant
    Filed: March 15, 2002
    Date of Patent: December 21, 2004
    Assignee: The Procter & Gamble Company
    Inventors: John Geoffrey Chan, Wang Ping