Witkowski; Brian
Patent Applications and Registrations
Patent applications and USPTO patent grants for Witkowski; Brian.The latest application filed is for "full-root-radius-threaded wing nut having increased wall thickness".
- Witkowski; Brian - Weatherford TX
| Patent | Date |
|---|---|
| Full-Root-Radius-Threaded Wing Nut Having Increased Wall Thickness App 20200063899 - Witkowski; Brian ; et al. | 2020-02-27 |
| Full-root-radius-threaded wing nut having increased wall thickness Grant 10,557,576 - Witkowski , et al. Feb | 2020-02-11 |
| Swivel joint with uniform ball bearing requirements Grant 9,964,245 - Witkowski , et al. May 8, 2 | 2018-05-08 |
| Plug valve having preloaded seal segments Grant 9,638,337 - Witkowski , et al. May 2, 2 | 2017-05-02 |
| Lateral Fitting Including Offset Parting Plane App 20170108153 - Witkowski; Brian ; et al. | 2017-04-20 |
| Full-root-radius-threaded Wing Nut Having Increased Wall Thickness App 20160377207 - Witkowski; Brian ; et al. | 2016-12-29 |
| Electronic device holder Grant D774,495 - Witkowski , et al. December 20, 2 | 2016-12-20 |
| Plug Valve Having Preloaded Seal Segments App 20150345646 - Witkowski; Brian ; et al. | 2015-12-03 |
| Plug valve having preloaded seal segments Grant 9,103,448 - Witkowski , et al. August 11, 2 | 2015-08-11 |
| Seal assembly Grant D734,434 - Witkowski , et al. July 14, 2 | 2015-07-14 |
| Flowline flapper valve Grant 8,978,695 - Witkowski , et al. March 17, 2 | 2015-03-17 |
| Swivel Joint With Uniform Ball Bearing Requirements App 20150042088 - Witkowski; Brian ; et al. | 2015-02-12 |
| Electronic device holder Grant D713,825 - Witkowski , et al. September 23, 2 | 2014-09-23 |
| Seal assembly Grant D707,332 - Witkowski , et al. June 17, 2 | 2014-06-17 |
| Seal side segment Grant D703,294 - Witkowski , et al. April 22, 2 | 2014-04-22 |
| Plug Valve Having Preloaded Seal Segments App 20140048734 - Witkowski; Brian ; et al. | 2014-02-20 |
| Pressure Relief Valve Assembly App 20130037125 - Drake; Philip ; et al. | 2013-02-14 |
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