Issued Patents All Time
Showing 51–75 of 85 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8104541 | Apparatus and method for processing fluids from a well | Ian Donald | 2012-01-31 |
| 8091630 | Apparatus and method for recovering fluids from a well and/or injecting fluids into a well | Ian Donald | 2012-01-10 |
| 8066067 | Apparatus and method for recovering fluids from a well and/or injecting fluids into a well | Ian Donald | 2011-11-29 |
| 8066076 | Connection system for subsea flow interface equipment | Ian Donald, Alan Crawford, Paul W. White | 2011-11-29 |
| 8066063 | Capillary injector | Ian Donald, Manish Vyas | 2011-11-29 |
| 7992643 | Apparatus and method for recovering fluids from a well and/or injecting fluids into a well | Ian Donald | 2011-08-09 |
| 7992633 | Apparatus and method for recovering fluids from a well and/or injecting fluids into a well | Ian Donald | 2011-08-09 |
| 7133537 | Method and apparatus for tracking a moving object | — | 2006-11-07 |
| 7111687 | Recovery of production fluids from an oil or gas well | Ian Donald, James R. Steele | 2006-09-26 |
| 7011757 | Process for recycling mixed liquor with dual-use jet recirculation pumps to provide highly efficient wastewater treatment | — | 2006-03-14 |
| 6312599 | Method of using wastewater flow equalization basins for multiple biological treatments | — | 2001-11-06 |
| 5266200 | Sequence continuous reaction in complete mix activated sludge systems | — | 1993-11-30 |
| 5055258 | Device for ascertaining the presence of an antigen or of an antibody in a liquid sample | Rainer Brodt, Günther Gorka, Peter Fehse, Steve Holmes | 1991-10-08 |
| 5041217 | Apparatus for maximizing biological use of entire volume of endless channel in an oxidation ditch | — | 1991-08-20 |
| 4933087 | Recovery of fats and proteins from food processing wastewaters with alginates | William Markham, George L. Coffman | 1990-06-12 |
| 4917805 | Cyclical complete mix activated sludge process | — | 1990-04-17 |
| 4902302 | Conservation of momentum in a barrier oxidation ditch | — | 1990-02-20 |
| 4828577 | Process for converting food sludges to biomass fuels | William Markham | 1989-05-09 |
| 4734197 | Jet aerator header assemblies and methods for use thereof in total, partial, and non-barriered oxidation ditches | — | 1988-03-29 |
| 4728517 | Conversion of biological sludge and primary float sludge to animal protein supplement | William Markham | 1988-03-01 |
| 4722785 | Partial or non-barriered oxidation ditch having momentum conservation and increased oxygen transfer efficiency | — | 1988-02-02 |
| 4643830 | Process for operating a total barrier oxidation ditch | — | 1987-02-17 |
| 4585555 | Barrier oxidation ditch having increased flow efficiency and oxygen transfer efficiency | — | 1986-04-29 |
| 4548712 | Conservation of momentum in a barrier oxidation ditch | — | 1985-10-22 |
| 4543185 | Conservation of momentum in a barrier oxidation ditch | — | 1985-09-24 |