Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4825380 | Molecular weight determination for constraint control of a compressor | — | 1989-04-25 |
| 4807150 | Constraint control for a compressor system | — | 1989-02-21 |
| 4717396 | Floating pressure control for a gas distribution system | Nancy K. Stengle | 1988-01-05 |
| 4557806 | Fractional distillation process control | Nancy K. Stengle | 1985-12-10 |
| 4536606 | Control of a cracking furnace | — | 1985-08-20 |
| 4529485 | Constraint control of a fractional distillation process | — | 1985-07-16 |
| 4526657 | Control of a fractional distillation process | Mary M. Halliday | 1985-07-02 |
| 4473443 | Control of a fractional distillation process | — | 1984-09-25 |
| 4400239 | Constraint control of a fractional distillation process | — | 1983-08-23 |
| 4371426 | Control of a fractional distillation process | Robert DIBIANO | 1983-02-01 |
| 4298363 | Fractionator feed tank pressure control | Grover L. Campbell | 1981-11-03 |
| 4265263 | Non-linear level controller | — | 1981-05-05 |
| 4239517 | Fractionator feed tank pressure control | Grover R. Campbell | 1980-12-16 |
| 4191511 | Compressor control | William S. Stewart | 1980-03-04 |