Patents by Inventor Lawrence Allen Trowbridge

Lawrence Allen Trowbridge 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: 9732506
    Abstract: A toilet configuration includes a toilet fixture, a detachable primary drain, and a detachable secondary drain. The primary and secondary drains can be assembled together or formed unitarily. The fixture includes a toilet bowl, a primary drain interface at a bottom of the bowl configured to permit liquid to flow from the toilet bowl into a detachable primary drain, and a secondary drain hole. The detachable primary drain fluidly is connected to the primary drain interface and is configured to be fluidly connected to a sewer pipe to discharge the liquid directly into the sewer pipe. A detachable secondary drain fluidly is connected to the secondary drain hole and is configured to be fluidly connected to the sewer pipe to discharge backed up fluid from the toilet fixture directly into the sewer pipe.
    Type: Grant
    Filed: July 27, 2015
    Date of Patent: August 15, 2017
    Inventors: Patrick Gerard Stack, Lawrence Allen Trowbridge
  • Patent number: 9309659
    Abstract: A toilet fixture includes a bowl, a primary drain fluidly connects said basin and said sewer drainage pipe, and a supply water plenum. The fixture further includes a secondary drain fluidly connecting said supply water plenum to said sewer drainage pipe. The secondary drain is separate from said primary drain and includes inlet means that are disposed within said supply water plenum and include at least one unshielded secondary drain hole in a lower half of the plenum. The secondary drain further includes a second drain channel. The secondary drain further includes a second drain outlet that is in fluid communication with said second drain channel, whereby said inlet means permits rising waste water to flow from said supply water plenum into said second drain channel and out of said second drain outlet to said sewer drainage pipe separately from the primary drain.
    Type: Grant
    Filed: May 4, 2015
    Date of Patent: April 12, 2016
    Inventors: Patrick Gerard Stack, Lawrence Allen Trowbridge
  • Publication number: 20160024774
    Abstract: A toilet configuration is disclosed. The toilet includes a toilet fixture, a detachable primary drain, and a detachable secondary drain. The primary and secondary drains can be assembled together or formed unitarily. The fixture includes a toilet bowl, a primary drain interface at a bottom of the bowl configured to permit liquid to flow from the toilet bowl into a detachable primary drain, and a secondary drain hole. The detachable primary drain fluidly is connected to the primary drain interface and is configured to be fluidly connected to a sewer pipe to discharge the liquid directly into the sewer pipe. A detachable secondary drain fluidly is connected to the secondary drain hole and is configured to be fluidly connected to the sewer pipe to discharge backed up fluid from the toilet fixture directly into the sewer pipe.
    Type: Application
    Filed: July 27, 2015
    Publication date: January 28, 2016
    Inventors: Patrick Gerard Stack, Lawrence Allen Trowbridge
  • Publication number: 20150299998
    Abstract: A toilet fixture includes a bowl, a primary drain fluidly connects said basin and said sewer drainage pipe, and a supply water plenum. The fixture further includes a secondary drain fluidly connecting said supply water plenum to said sewer drainage pipe. The secondary drain is separate from said primary drain and includes inlet means that are disposed within said supply water plenum and include at least one unshielded secondary drain hole in a lower half of the plenum. The secondary drain further includes a second drain channel. The secondary drain further includes a second drain outlet that is in fluid communication with said second drain channel, whereby said inlet means permits rising waste water to flow from said supply water plenum into said second drain channel and out of said second drain outlet to said sewer drainage pipe separately from the primary drain.
    Type: Application
    Filed: May 4, 2015
    Publication date: October 22, 2015
    Inventors: Patrick Gerard Stack, Lawrence Allen Trowbridge
  • Patent number: 9057187
    Abstract: A toilet fixture includes a bowl, a primary drain fluidly connected to the bowl, a supply water plenum providing water to the bowl to flush the fixture, and a secondary drain inlet located to the plenum. The secondary drain inlet includes a secondary drain hole permitting water to flow from the plenum into the secondary drain inlet. The secondary drain inlet is fluidly connected to a drain permitting water to exit the fixture and water flowing through the secondary drain inlet can bypass a clog in the primary drain.
    Type: Grant
    Filed: October 23, 2012
    Date of Patent: June 16, 2015
    Inventors: Patrick Gerard Stack, Lawrence Allen Trowbridge
  • Publication number: 20130104305
    Abstract: A toilet fixture includes a bowl, a primary drain fluidly connected to the bowl, a supply water plenum providing water to the bowl to flush the fixture, and a secondary drain inlet located to the plenum. The secondary drain inlet includes a secondary drain hole permitting water to flow from the plenum into the secondary drain inlet. The secondary drain inlet is fluidly connected to a drain permitting water to exit the fixture and water flowing through the secondary drain inlet can bypass a clog in the primary drain.
    Type: Application
    Filed: October 23, 2012
    Publication date: May 2, 2013
    Inventors: Patrick Gerard Stack, Lawrence Allen Trowbridge