Archive for Patents

Doña Juana Landfill WWTP – Retrievable Diffuser Installation Completed

March 23, 2010 at 3:00 pm · Filed under Patents, SSI News

Congratulations to Baird Service of Bogota, Colombia on the installation of a retrievable aeration system at the Doña Juana Landfill site, treating landfill leachate. This system uses SSI Snappy SaddleTM tube diffusers with patented (US Patent # 7674514) PTFE coated diffuser membranes. The PTFE coating is a high performance PTFE dispersion product.

SSI 2nd PTFE Diffuser Patent Published in USA

February 7, 2008 at 4:34 am · Filed under Patents

SSI 2nd PTFE Diffuser Patent Published in USA In January our 2nd PTFE layered diffuser patent was published by the US Patent and Trademark office. This patent claims priority from an earlier patent filing in Korea dating to early 1995 covering the same item, and clearly establishes SSI as the inventor of the PTFE layered membrane diffuser. The Publication Number is 20070001323.