Patents by Inventor David S. Trandal

David S. Trandal 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).

  • Publication number: 20100306080
    Abstract: The present invention relates to shopping assistance solutions, and in particular, to methods and systems for maintaining purchase records, creating shopping lists, and comparing merchant pricing. The user experience in performing shopping functions is simplified and enhanced over existing methods.
    Type: Application
    Filed: August 16, 2010
    Publication date: December 2, 2010
    Inventors: David S. Trandal, David J. Brahm
  • Patent number: 7839987
    Abstract: The present invention is related to telecommunications, and in particular, to methods and systems for processing call signaling data. In an embodiment, a call processing system receives a first message from a switch while the switch is processing a call for a calling party, wherein the first message is initiated at least partly in response to a firing of a call event trigger configured within a switch. The first message includes call signaling information, including the calling party's phone number. The calling party's phone number is stored in the call processing system. A communication channel is established over a network between the call processing system and a computer associated with the called party. A message is transmitted to the networked computer, the message including the calling party's phone number, wherein the calling party's phone number is intended to be displayed on the networked computer associated with the called party.
    Type: Grant
    Filed: March 2, 2006
    Date of Patent: November 23, 2010
    Assignee: Callwave, Inc.
    Inventors: Leland W. Kirchhoff, David S. Trandal
  • Patent number: 7822188
    Abstract: The present invention provides flexible call processing. For example, a call processor system can receive an inbound call intended for a called party and place an outbound call to the called party. The call processing system can provide the called party with a call transfer option.
    Type: Grant
    Filed: September 22, 2006
    Date of Patent: October 26, 2010
    Assignee: Callwave, Inc.
    Inventors: Leland W. Kirchhoff, David S. Trandal, Colin Kelley, David J. Brahm, Robert F. Smith, David Frank Hofstatter, Robert A. Dolan
  • Publication number: 20100232588
    Abstract: Service levels for call-processing are enhanced based on the subscriber status of at least one of the calling party and the called party. In one example, a calling party (caller) places a call to a called party (recipient). At least one of the parties subscribes to a call-processing service and the call normally would be processed according to a predetermined service level. However, the service level is enhanced in response to a subscriber status for at least one of the parties, and the call is processed according to the enhanced service level.
    Type: Application
    Filed: May 19, 2010
    Publication date: September 16, 2010
    Applicant: CALLWAVE, INC.
    Inventors: David S. Trandal, David J. Brahm, David F. Hofstatter, Bob F. Smith
  • Patent number: 7792709
    Abstract: The present invention relates to shopping assistance solutions, and in particular, to methods and systems for maintaining purchase records, creating shopping lists, and comparing merchant pricing. The user experience in performing shopping functions is simplified and enhanced over existing methods.
    Type: Grant
    Filed: October 8, 2008
    Date of Patent: September 7, 2010
    Inventors: David S. Trandal, David Brahm
  • Patent number: 7742586
    Abstract: Service levels for call-processing are enhanced based on the subscriber status of at least one of the calling party and the called party. In one example, a calling party (caller) places a call to a called party (recipient). At least one of the parties subscribes to a call-processing service and the call normally would be processed according to a predetermined service level. However, the service level is enhanced in response to a subscriber status for at least one of the parties, and the call is processed according to the enhanced service level.
    Type: Grant
    Filed: June 14, 2004
    Date of Patent: June 22, 2010
    Assignee: Callwave, Inc.
    Inventors: David S Trandal, David J Brahm, David F Hofstatter, Bob F Smith
  • Patent number: 7555110
    Abstract: The present invention provides flexible call processing. For example, a call processor system can receive an inbound call intended for a called party and place an outbound call to the called party. The call processing system can provide the called party with a call transfer option.
    Type: Grant
    Filed: December 5, 2005
    Date of Patent: June 30, 2009
    Assignee: Callwave, Inc.
    Inventors: Robert A. Dolan, David F. Hofstatter, Robert Smith, David S. Trandal
  • Patent number: 7508927
    Abstract: The present invention provides a call-return process and system, wherein a called party can return a missed call to a caller's private number. A forwarded call is received by a call management system, wherein the forwarded call was originally directed by a caller to a first telephone line associated with a user. The call management system receives call signaling information, including a phone number, associated with the caller. The call management system then determines whether the phone number is a private phone number or a public phone number. If the phone number is private, the call management system notifies the user of the call, and without revealing the caller's phone number to the user, enables the user to return the caller's call.
    Type: Grant
    Filed: September 4, 2007
    Date of Patent: March 24, 2009
    Assignee: CallWave, Inc.
    Inventors: David S. Trandal, David J Brahm, Colin Kelley
  • Patent number: 7480065
    Abstract: A fax processing system handles faxes that are originally destined for a recipient's phone number. The fax processing system communicates with the fax recipient via a data communications network (for example, the Internet) and can provide more sophisticated fax handling capabilities than conventional fax machines.
    Type: Grant
    Filed: March 5, 2004
    Date of Patent: January 20, 2009
    Assignee: Callwave, Inc.
    Inventors: David S Trandal, David J Brahm, Leland W Kirchhoff, Robert A Dolan, David F Hofstatter
  • Patent number: 7308081
    Abstract: The present invention is directed to processing calls to busy telecommunications lines. In one embodiment, the presence of a subscriber accessing a computer network over a first telephone line via a first computer terminal is detected, wherein the subscriber also has a first telephone station connected to the first line. When a caller calls the first line and the first line is busy, the call is forwarded to a second telephone line associated with a call manager system. The call manager system determines when the subscriber is no longer accessing the computer network. At least partly in response to determining that the subscriber is no longer accessing the computer network, the call manager system transmits a text message to the caller, the message including the subscriber's phone number. The caller can then call back the first line using the transmitted phone number.
    Type: Grant
    Filed: January 12, 2005
    Date of Patent: December 11, 2007
    Assignee: Callwave, Inc.
    Inventors: David S. Trandal, David J. Brahm
  • Patent number: 7292841
    Abstract: The present invention relates generally to telecommunications, and in particular to systems and methods for routing and placing telephone calls. In one embodiment, a call manager system is configured to place a call to a pay-per-call service, or to cause such a call to be placed by a user computer terminal, in response to a user initiating a purchase transaction over a computer network. In addition, the call may include billing information, such as the user's phone number, which is provided to the pay-per-call service so that the user can be billed for the call in an appropriate amount.
    Type: Grant
    Filed: August 26, 2005
    Date of Patent: November 6, 2007
    Assignee: Callwave, Inc.
    Inventors: David S. Trandal, David J. Brahm
  • Patent number: 7266185
    Abstract: The present invention provides a call-return process and system, wherein a called party can return a missed call to a caller's private number. A forwarded call is received by a call management system, wherein the forwarded call was originally directed by a caller to a first telephone line associated with a user. The call management system receives call signaling information, including a phone number, associated with the caller. The call management system then determines whether the phone number is a private phone number or a public phone number. If the phone number is private, the call management system notifies the user of the call, and without revealing the caller's phone number to the user, enables the user to return the caller's call.
    Type: Grant
    Filed: April 5, 2004
    Date of Patent: September 4, 2007
    Assignee: Callwave, Inc.
    Inventors: David S. Trandal, David J. Brahm, Colin Kelley
  • Patent number: 6968174
    Abstract: The present invention relates generally to telecommunications, and in particular to systems and methods for routing and placing telephone calls. In one embodiment, a call manager system is configured to place a call to a pay-per-call service, or to cause such a call to be placed by a user computer terminal, in response to a user initiating a purchase transaction over a computer network. In addition, the call may include billing information, such as the user's phone number, which is provided to the pay-per-call service so that the user can be billed for the call in an appropriate amount.
    Type: Grant
    Filed: March 22, 2002
    Date of Patent: November 22, 2005
    Assignee: Callwave, Inc.
    Inventors: David S. Trandal, David J. Brahm
  • Patent number: 6879677
    Abstract: The present invention is directed to processing calls to busy telecommunications lines. In one embodiment, the presence of a subscriber accessing a computer network over a first telephone line via a first computer terminal is detected, wherein the subscriber also has a first telephone station connected to the first line. When a caller calls the first line and the first line is busy, the call is forwarded to a second telephone line associated with a call manager system. The call manager system determines when the subscriber is no longer accessing the computer network. At least partly in response to determining that the subscriber is no longer accessing the computer network, the call manager system transmits a text message to the caller, the message including the subscriber's phone number. The caller can then call back the first line using the transmitted phone number.
    Type: Grant
    Filed: November 1, 2001
    Date of Patent: April 12, 2005
    Assignee: Callwave, Inc.
    Inventors: David S. Trandal, David J. Brahm
  • Publication number: 20040190703
    Abstract: The present invention provides a call-return process and system, wherein a called party can return a missed call to a caller's private number. A forwarded call is received by a call management system, wherein the forwarded call was originally directed by a caller to a first telephone line associated with a user. The call management system receives call signaling information, including a phone number, associated with the caller. The call management system then determines whether the phone number is a private phone number or a public phone number. If the phone number is private, the call management system notifies the user of the call, and without revealing the caller's phone number to the user, enables the user to return the caller's call.
    Type: Application
    Filed: April 5, 2004
    Publication date: September 30, 2004
    Inventors: David S. Trandal, David J. Brahm, Colin Kelley
  • Publication number: 20040114747
    Abstract: The present invention provides processes and apparatus for discouraging unwelcome calls. A call, including caller signaling information, is received from a caller. A determination is made that the caller is, or potentially is a telemarketer based on Caller ID information content. The caller is then provided with special call handling.
    Type: Application
    Filed: June 13, 2003
    Publication date: June 17, 2004
    Inventors: David S. Trandal, David J. Brahm, Leo S. Jeghelian, Alan B. Erringer
  • Patent number: 6738461
    Abstract: The present invention provides a call-return process and system, wherein a called party can return a missed call to a caller's private number. A forwarded call is received by a call management system, wherein the forwarded call was originally directed by a caller to a first telephone line associated with a user. The call management system receives call signaling information, including a phone number, associated with the caller. The call management system then determines whether the phone number is a private phone number or a public phone number. If the phone number is private, the call management system notifies the user of the call, and without revealing the caller's phone number to the user, enables the user to return the caller's call.
    Type: Grant
    Filed: November 1, 2001
    Date of Patent: May 18, 2004
    Assignee: Callwave, Inc.
    Inventors: David S. Trandal, David J. Brahm, Colin Kelley
  • Publication number: 20030081752
    Abstract: The present invention is directed to processing calls to busy telecommunications lines. In one embodiment, the presence of a subscriber accessing a computer network over a first telephone line via a first computer terminal is detected, wherein the subscriber also has a first telephone station connected to the first line. When a caller calls the first line and the first line is busy, the call is forwarded to a second telephone line associated with a call manager system. The call manager system determines when the subscriber is no longer accessing the computer network. At least partly in response to determining that the subscriber is no longer accessing the computer network, the call manager system transmits a text message to the caller, the message including the subscriber's phone number. The caller can then call back the first line using the transmitted phone number.
    Type: Application
    Filed: November 1, 2001
    Publication date: May 1, 2003
    Inventors: David S. Trandal, David J. Brahm
  • Publication number: 20030081753
    Abstract: The present invention provides a call-return process and system, wherein a called party can return a missed call to a caller's private number. A forwarded call is received by a call management system, wherein the forwarded call was originally directed by a caller to a first telephone line associated with a user. The call management system receives call signaling information, including a phone number, associated with the caller. The call management system then determines whether the phone number is a private phone number or a public phone number. If the phone number is private, the call management system notifies the user of the call, and without revealing the caller's phone number to the user, enables the user to return the caller's call.
    Type: Application
    Filed: November 1, 2001
    Publication date: May 1, 2003
    Inventors: David S. Trandal, David J. Brahm, Colin Kelley