Gerwing; Murray
Patent Applications and Registrations
Patent applications and USPTO patent grants for Gerwing; Murray.The latest application filed is for "device and method for measuring torque and rotation".
- Gerwing; Murray - Edmonton CA
| Patent | Date |
|---|---|
| Device And Method For Measuring Torque And Rotation App 20150021016 - Deng; Bing ; et al. | 2015-01-22 |
| Internally retained jaw roller pin Grant 8,479,614 - Gerwing , et al. July 9, 2 | 2013-07-09 |
| Reduced weight power tong for turning pipe Grant 8,453,541 - Dagenais , et al. June 4, 2 | 2013-06-04 |
| Internally Retained Jaw Roller Pin App 20130014612 - Gerwing; Murray ; et al. | 2013-01-17 |
| Cam arm actuated backup tong Grant 8,267,448 - Dagenais , et al. September 18, 2 | 2012-09-18 |
| Internally retained jaw roller pin Grant 8,234,957 - Gerwing , et al. August 7, 2 | 2012-08-07 |
| Internally Retained Jaw Roller Pin App 20110067533 - Gerwing; Murray ; et al. | 2011-03-24 |
| Reduced Weight Power Tong For Turning Pipe App 20110041656 - Dagenais; Dan ; et al. | 2011-02-24 |
| Cam Arm Actuated Backup Tong App 20100276954 - DAGENAIS; Dan ; et al. | 2010-11-04 |
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