Issued Patents All Time
Showing 1–25 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7993051 | Methods and apparatus for enhancing venturi suction in eductor mixers | — | 2011-08-09 |
| 7776213 | Apparatus for enhancing venturi suction in eductor mixers | — | 2010-08-17 |
| 7537696 | Method and apparatus for treatment of wastewater employing membrane bioreactors | — | 2009-05-26 |
| 7285212 | Method and apparatus for treatment of wastewater employing membrane bioreactors | — | 2007-10-23 |
| 7243721 | Methods and apparatus for heating oil production reservoirs | B. Franklin Beard, Merle W. Schwartz | 2007-07-17 |
| 7232524 | Methods and apparatus for increasing and extending oil production from underground formations nearly depleted of natural gas drive | B. Franklin Beard | 2007-06-19 |
| 6962654 | Methods and apparatus for supplying high concentrations of dissolved oxygen and ozone for chemical and biological processes | — | 2005-11-08 |
| 6960294 | Apparatus for the separation of solids from liquids by dissolved gas floatation | — | 2005-11-01 |
| 6875351 | Methods and apparatus for oil demulsification and separation of oil and suspended solids from produced water | — | 2005-04-05 |
| 6811709 | Method and apparatus for mixing fluids, separating fluids, and separating solids from fluids | — | 2004-11-02 |
| 6811690 | Method and apparatus for mixing fluids, separating fluids, and separating solids from fluids | — | 2004-11-02 |
| 6811699 | Method and apparatus for mixing fluids, separating fluids, and separating solids from fluids | — | 2004-11-02 |
| 6811713 | Method and apparatus for mixing fluids, separating fluids, and separating solids from fluids | — | 2004-11-02 |
| 6808693 | Methods and apparatus for increasing and extending oil production from underground formations nearly depleted of natural gas drive | B. Franklin Beard | 2004-10-26 |
| 6805806 | Method and apparatus for treatment of wastewater employing membrane bioreactors | — | 2004-10-19 |
| 6797179 | Method for removing dissolved metals from wastewater by electrocoagulation | — | 2004-09-28 |
| 6669843 | Apparatus for mixing fluids | — | 2003-12-30 |
| 6582592 | Apparatus for removing dissolved metals from wastewater by electrocoagulation | — | 2003-06-24 |
| 6254267 | Method and apparatus for mixing dry powder into liquids | — | 2001-07-03 |
| 6228257 | Apparatus for contacting fluids and solids | — | 2001-05-08 |
| 5647977 | Method and apparatus for removing contaminants from industrial waste water | — | 1997-07-15 |
| 5124043 | Method for treating fluids | — | 1992-06-23 |
| 5038830 | Pipe and sealing device | — | 1991-08-13 |
| 5006243 | Filter bag securing ring | — | 1991-04-09 |
| 4906361 | Apparatus for treating fluids | — | 1990-03-06 |