Watts; John D.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Watts; John D..The latest application filed is for "low cost, high performance pipe connection".
- Watts; John D. - Austin TX
- Watts; John D. - Houston TX
- Watts; John D. - Newtown CT
- Watts; John D. - Clinton CT
| Patent | Date |
|---|---|
| Low cost, high performance pipe connection Grant 8,246,086 - Watts August 21, 2 | 2012-08-21 |
| Low Cost, High Performance Pipe Connection App 20100230959 - Watts; John D. | 2010-09-16 |
| Open type wedgethread connection App 20020074799 - Watts, John D. | 2002-06-20 |
| High strength, low torque threaded tubular connection Grant 5,427,418 - Watts June 27, 1 | 1995-06-27 |
| Threaded tubular connection Grant 5,383,692 - Watts January 24, 1 | 1995-01-24 |
| Oilwell tubing connection Grant 4,974,882 - Watts December 4, 1 | 1990-12-04 |
| Oilwell tubing connection Grant 4,813,717 - Watts March 21, 1 | 1989-03-21 |
| Rotary screen printing apparatus Grant 4,627,345 - Watts December 9, 1 | 1986-12-09 |
| Fluid separator Grant 4,278,550 - Watts July 14, 1 | 1981-07-14 |
| Power converter and method Grant 4,258,271 - Chappell , et al. March 24, 1 | 1981-03-24 |
| Safety razor Grant 4,245,388 - Dawidowicz , et al. January 20, 1 | 1981-01-20 |
| Adjustable choke Grant 4,047,695 - Cleveland , et al. September 13, 1 | 1977-09-13 |
| Surface finishing and plating method Grant 3,959,089 - Watts May 25, 1 | 1976-05-25 |
| Annular Blowout Preventer Grant 3,737,139 - Watts June 5, 1 | 1973-06-05 |
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