LF

Lee W. Frederick

ET Evoqua Water Technologies: 3 patents #55 of 216Top 30%
TT Titan Technologies: 2 patents #2 of 7Top 30%
Overall (All Time): #935,403 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
12103874 Ultraviolet light activated oxidation process for the reduction of organic carbon in semiconductor process water Steve D. Sitkiewitz, Gary Carmignani 2024-10-01
10550020 Ultraviolet light activated oxidation process for the reduction of organic carbon in semiconductor process water Steve D. Sitkiewitz, Gary Carmignani 2020-02-04
10343939 Ultraviolet light activated oxidation process for the reduction of organic carbon in semiconductor process water Steve D. Sitkiewitz, Gary Carmignani 2019-07-09
6902653 Apparatus and method for photocatalytic purification and disinfection of fluids Gary Carmignani, Steve D. Sitkiewitz 2005-06-07
6524447 Apparatus and method for photocatalytic purification and disinfection of water and ultrapure water Gary Carmignani 2003-02-25