Issued Patents All Time
Showing 1–25 of 37 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5236136 | System and method for recycling used oil filters | Michael W. McCarty, James M. Taylor | 1993-08-17 |
| 5186265 | Retrievable bit and eccentric reamer assembly | Randy H. Henson | 1993-02-16 |
| 5176467 | Oil boom | — | 1993-01-05 |
| H1083 | Method for removing small gas bubbles from a liquid stream | James P. Meyer | 1992-08-04 |
| 5104228 | Photosensitive turbidimeter with nonfouling measurement chamber | — | 1992-04-14 |
| 5067252 | Method and apparatus to conduct fluidization of cohesive solids by pulsating vapor flow | — | 1991-11-26 |
| 5049008 | Air pulse discharge control valve for fluidizing dry particulate material | — | 1991-09-17 |
| 5018868 | Cement storage and mixing system | — | 1991-05-28 |
| 4952374 | Rotating catalyst bed with pressurized gas seal for methane conversion system | — | 1990-08-28 |
| 4939850 | Method and apparatus to conduct fluidization of cohesive solids by pulsating vapor flow | — | 1990-07-10 |
| 4916079 | Method and system for determining the concentration of a gas in a liquid | Frank H. Hsu | 1990-04-10 |
| 4903976 | Locking mechanism for self steering semi-trailer | — | 1990-02-27 |
| 4896968 | Cement storage and mixing system | — | 1990-01-30 |
| 4872336 | Apparatus for pressure testing pipelines | — | 1989-10-10 |
| 4862601 | Particulate solids dryer with recycled hot-pebble heat exchange medium | — | 1989-09-05 |
| 4813270 | System for measuring multiphase fluid flow | — | 1989-03-21 |
| 4809543 | Apparatus and method for monitoring one liquid in another | — | 1989-03-07 |
| 4776210 | Multiphase fluid flow measurement systems and methods | Frank H. Hsu, Y. Sam Yang | 1988-10-11 |
| 4773265 | Method for detecting leaks | Frank J. Senese | 1988-09-27 |
| 4761990 | Method and apparatus for measurement of attrition rate of particulate material | — | 1988-08-09 |
| 4759637 | Apparatus and method for determining water dew point | — | 1988-07-26 |
| 4733557 | Method and system for determining vapor pressure or composition of hydrocarbon liquids | James L. Skinner | 1988-03-29 |
| 4702488 | Steering system for tractor-trailer units | — | 1987-10-27 |
| 4670410 | Method for reducing attrition of particulate matter in a chemical conversion process | — | 1987-06-02 |
| 4630467 | Leak detector | Frank J. Senese | 1986-12-23 |