Patents by Inventor Johann Karunaratne

Johann Karunaratne 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: 10047510
    Abstract: A rimless toilet pan (20) includes a forward end (F), a rearward end (R) and a pan bowl (28). A flushing outlet (32) is in fluid communication with the pan bowl (28). A flushing water inlet (30) is in fluid communication with the pan bowl (28). An inwardly facing first sidewall (34) extends substantially around the top of the pan bowl (28). A substantially horizontal ledge extends (36) substantially around the bottom of the first sidewall (34). An inwardly facing second sidewall (37) extends substantially around the pan bowl (28) under the horizontal ledge (36). A flushing water flow splitter (38) is substantially adjacent a rearward end of the first sidewall (34), the flow splitter (38) is in fluid communication with the flushing water inlet (30) and has a leftwards outlet (38a) and a rightwards outlet (38b).
    Type: Grant
    Filed: June 2, 2016
    Date of Patent: August 14, 2018
    Assignee: Caroma Industries Limited
    Inventors: Stephen John Cummings, Leonard Conrad, Johann Karunaratne, Frank Quartiero
  • Patent number: 9970187
    Abstract: A rimless toilet pan (20) including a forward end (F), a rearward end (R), a pan bowl (28), a flushing outlet (32), a flushing water inlet (30), an inwardly facing first sidewall (34), an inwardly facing second sidewall (37) and a flushing water flow splitter (38). The flushing outlet (32) is in fluid communication with the pan bowl (28). The flushing water inlet (30) is in fluid communication with the pan bowl (28). The inwardly facing first sidewall (34) extends substantially around the top of the pan bowl (28). The substantially horizontal ledge (36) extends substantially around the bottom of the first sidewall (34). The inwardly facing second sidewall (37) extends substantially around the pan bowl (28) under the horizontal ledge (36). The flushing water flow splitter (38) is substantially adjacent a rearward end of the first sidewall (34), is in fluid communication with the flushing water inlet (30) and has a leftwards outlet (38a) and a rightwards outlet (38b).
    Type: Grant
    Filed: May 8, 2015
    Date of Patent: May 15, 2018
    Assignee: Caroma Industries Limited
    Inventors: Stephen John Cummings, Leonard Conrad, Johann Karunaratne, Frank Quartiero
  • Publication number: 20170370085
    Abstract: A rimless toilet pan (20) includes a forward end (F), a rearward end (R) and a pan bowl (28). A flushing outlet (32) is in fluid communication with the pan bowl (28). A flushing water inlet (30) is in fluid communication with the pan bowl (28). An inwardly facing first sidewall (34) extends substantially around the top of the pan bowl (28). A substantially horizontal ledge extends (36) substantially around the bottom of the first sidewall (34). An inwardly facing second sidewall (37) extends substantially around the pan bowl (28) under the horizontal ledge (36). A flushing water flow splitter (38) is substantially adjacent a rearward end of the first sidewall (34), the flow splitter (38) is in fluid communication with the flushing water inlet (30) and has a leftwards outlet (38a) and a rightwards outlet (38b).
    Type: Application
    Filed: June 2, 2016
    Publication date: December 28, 2017
    Inventors: Stephen John Cummings, Leonard Conrad, Johann Karunaratne, Frank Quartiero
  • Publication number: 20170198467
    Abstract: A rimless toilet pan (20) including a forward end (F), a rearward end (R), a pan bowl (28), a flushing outlet (32), a flushing water inlet (30), an inwardly facing first sidewall (34), an inwardly facing second sidewall (37) and a flushing water flow splitter (38). The flushing outlet (32) is in fluid communication with the pan bowl (28). The flushing water inlet (30) is in fluid communication with the pan bowl (28). The inwardly facing first sidewall (34) extends substantially around the top of the pan bowl (28). The substantially horizontal ledge (36) extends substantially around the bottom of the first sidewall (34). The inwardly facing second sidewall (37) extends substantially around the pan bowl (28) under the horizontal ledge (36). The flushing water flow splitter (38) is substantially adjacent a rearward end of the first sidewall (34), is in fluid communication with the flushing water inlet (30) and has a leftwards outlet (38a) and a rightwards outlet (38b).
    Type: Application
    Filed: May 8, 2015
    Publication date: July 13, 2017
    Inventors: Stephen John Cummings, Leonard Conrad, Johann Karunaratne, Frank Quartiero
  • Patent number: D598524
    Type: Grant
    Filed: November 18, 2008
    Date of Patent: August 18, 2009
    Assignee: Caroma Industries Limited
    Inventors: Stephen John Cummings, Johann Karunaratne
  • Patent number: D599447
    Type: Grant
    Filed: November 18, 2008
    Date of Patent: September 1, 2009
    Assignee: Caroma Industries Limited
    Inventors: Stephen John Cummings, Johann Karunaratne
  • Patent number: D636472
    Type: Grant
    Filed: August 25, 2008
    Date of Patent: April 19, 2011
    Assignee: Caroma Industries Limited
    Inventors: Stephen John Cummings, Johann Karunaratne
  • Patent number: D638108
    Type: Grant
    Filed: August 25, 2008
    Date of Patent: May 17, 2011
    Assignee: Caroma Industries Limited
    Inventors: Stephen John Cummings, Johann Karunaratne