| All Patents of Type: sewage treatment apparatus |
Patents 1 -
9
of 9
      |
| Number | Date | Patentee | Title | Type |
| 1,587,864 | Jun. 08, 1926 | C.E. Sargent | Eductor | sewage treatment apparatus |
| 3,418,952 | Dec. 31, 1968 | F.H. Meller | Incinerator | sewage treatment apparatus |
| 3,432,420 | Mar. 11, 1969 | P. Pan | Electrolytic Cell Assemblies | electrolysis apparatus |
| 3,505,188 | Apr. 07, 1970 | P. Pan | Electrolytic Flotation Method and Apparatus | electrolysis apparatus |
| 3,526,589 | Sep. 01, 1970 | C.L. Swanson, P. Pan, F.H. Meller | Solids Interception System | sewage treatment apparatus |
| 3,547,800 | Dec. 15, 1970 | P. Pan | Apparatus and Method for Purifying Waste Waters | sewage treatment apparatus |
| 3,557,724 | Jan. 26, 1971 | J.M. Whalen, P. Pan | Incinerator | sewage treatment apparatus |
| 3,617,541 | Nov. 02, 1971 | P. Pan | Biogrid Unit and Method | sewage treatment apparatus |
| 3,630,359 | Dec. 28, 1971 | H.M. Harper, P. Pan | Multiple-Drum Interceptor | sewage treatment apparatus |
