Walling; John B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Walling; John B..The latest application filed is for "sheave drive assembly for flexible production tubing".
- Walling; John B. - Ft. Worth TX
- Walling; John B. - Fort Worth TX
| Patent | Date |
|---|---|
| Sheave drive assembly for flexible production tubing Grant 4,570,705 - Walling February 18, 1 | 1986-02-18 |
| Single action pneumatic powered spring retractable pump Grant 4,515,532 - Walling * May 7, 1 | 1985-05-07 |
| Flexible tubing production system for well installation Grant 4,476,923 - Walling October 16, 1 | 1984-10-16 |
| Single action pneumatic powered spring retractable pump Grant 4,445,819 - Walling May 1, 1 | 1984-05-01 |
| Flexible production tubing Grant 4,374,530 - Walling February 22, 1 | 1983-02-22 |
| Connector assembly for flexible production tubing Grant 4,345,784 - Walling August 24, 1 | 1982-08-24 |
| Flexible production tubing Grant 4,336,415 - Walling June 22, 1 | 1982-06-22 |
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