Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12173728 | Submersible pump with external slicer | — | 2024-12-24 |
| 10816008 | Dual stage grinder pump | — | 2020-10-27 |
| 8109714 | Sewage pump | — | 2012-02-07 |
| 7841827 | Blade set for masserating effluent water in a sewage pump | — | 2010-11-30 |
| 7489484 | Protective device for a controlling system of a sewage pump | — | 2009-02-10 |
| 7354009 | Sewage pump | — | 2008-04-08 |
| 6916152 | Centrifugal sewage pumps with two impellers | — | 2005-07-12 |
| 4540891 | High current float switch | Shekhar Chakrawarti | 1985-09-10 |