Paulos; Louis B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Paulos; Louis B..The latest application filed is for "magnetically operated fail-safe cutoff valve with pressure equalizing means".
- Paulos; Louis B. - Northridge CA
| Patent | Date |
|---|---|
| Magnetically operated fail-safe cutoff valve with pressure equalizing means Grant 4,407,329 - Huebsch , et al. October 4, 1 | 1983-10-04 |
| Armature position monitoring and control device Grant 4,321,946 - Paulos , et al. March 30, 1 | 1982-03-30 |
| Tandem solenoid-controlled safety cut-off valve for a fluid well Grant 4,191,248 - Huebsch , et al. March 4, 1 | 1980-03-04 |
| Fail-safe safety cut-off valve for a fluid well Grant RE30,110 - Huebsch , et al. October 9, 1 | 1979-10-09 |
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