DREWERY; T. Gig
Patent Applications and Registrations
Patent applications and USPTO patent grants for DREWERY; T. Gig.The latest application filed is for "apparatus for converting a septic tank into an aerobic treatment system and a wastewater treatment system employing such apparat".
- DREWERY; T. Gig - Longview TX US
- Drewery; T. Gig - Lumberton TX
- Drewery; T. Gig - Kountze TX
| Patent | Date |
|---|---|
| Apparatus For Converting A Septic Tank Into An Aerobic Treatment System And A Wastewater Treatment System Employing Such Apparat App 20200071217 - DREWERY; T. Gig ; et al. | 2020-03-05 |
| High strength wastewater treatment system Grant 6,165,359 - Drewery December 26, 2 | 2000-12-26 |
| Wastewater treatment system with air pump/control panel platform Grant 6,106,704 - Drewery August 22, 2 | 2000-08-22 |
| Wastewater treatment system Grant 6,096,203 - Drewery August 1, 2 | 2000-08-01 |
| Aerobic treatment tank Grant D424,659 - Drewery May 9, 2 | 2000-05-09 |
| Aerobic treatment tank design Grant D423,638 - Drewery April 25, 2 | 2000-04-25 |
| Tablet chlorinator apparatus Grant 5,441,711 - Drewery August 15, 1 | 1995-08-15 |
| Diffuser assembly for an aeration system of a wastewater treatment plant Grant 5,266,239 - Drewery November 30, 1 | 1993-11-30 |
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