Burkhardt; Joseph A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Burkhardt; Joseph A..The latest application filed is for "heave compensated stabbing and landing tool".
- Burkhardt; Joseph A. - New Orleans LA
- Burkhardt; Joseph A. - Chatsworth CA
| Patent | Date |
|---|---|
| Heave compensated stabbing and landing tool Grant 4,858,694 - Johnson , et al. August 22, 1 | 1989-08-22 |
| Hydraulically operated actuator Grant 4,429,620 - Burkhardt , et al. February 7, 1 | 1984-02-07 |
| Method and apparatus for making subsea pipe connections Grant RE31,265 - Sinclair , et al. June 7, 1 | 1983-06-07 |
| Apparatus and method for connecting a tubing string to downhole well equipment Grant 4,067,385 - Schwager , et al. January 10, 1 | 1978-01-10 |
| Apparatus for anchoring an offshore structure Grant 4,039,025 - Burkhardt , et al. August 2, 1 | 1977-08-02 |
| Method and apparatus for making subsea pipe connections Grant 4,019,334 - Sinclair , et al. April 26, 1 | 1977-04-26 |
| Subsea structure and method for installing the structure and recovering the structure from the sea floor Grant 3,987,638 - Burkhardt , et al. October 26, 1 | 1976-10-26 |
| Valve stem static seal system Grant 3,955,793 - Burkhardt , et al. May 11, 1 | 1976-05-11 |
| Compartmented Underwater Equipment Grant 3,799,191 - Burkhardt , et al. March 26, 1 | 1974-03-26 |
| Subsea Production System Grant 3,777,812 - Burkhardt , et al. December 11, 1 | 1973-12-11 |
| Submerged Hydraulic System Grant 3,677,001 - Childers , et al. July 18, 1 | 1972-07-18 |
| Multi-string Tubingless Completion Technique Grant 3,653,435 - Reistle, III , et al. April 4, 1 | 1972-04-04 |
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