Witkowski; Brian C.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Witkowski; Brian C..The latest application filed is for "clapper check valve with a valve seat seal member".
- Witkowski; Brian C. - Fort Worth TX
- Witkowski; Brian C. - Weatherford TX
| Patent | Date |
|---|---|
| Hydraulic fracturing system, apparatus, and method Grant 11,421,504 - Witkowski , et al. August 23, 2 | 2022-08-23 |
| Clapper valve Grant 11,365,819 - Fuller , et al. June 21, 2 | 2022-06-21 |
| Clapper Check Valve with a Valve Seat Seal Member App 20220018446 - Witkowski; Brian C. | 2022-01-20 |
| Carburizing grade micro-alloy high pressure swivel joints Grant 11,149,885 - Witkowski , et al. October 19, 2 | 2021-10-19 |
| Hydraulic fracturing system, apparatus, and method Grant 11,149,514 - Witkowski , et al. October 19, 2 | 2021-10-19 |
| Hydraulic Fracturing System, Apparatus, And Method App 20210017830 - Witkowski; Brian C. ; et al. | 2021-01-21 |
| Clapper Valve App 20200393054 - Fuller; Nadiya ; et al. | 2020-12-17 |
| Hydraulic fracturing system, apparatus, and method Grant 10,808,488 - Witkowski , et al. October 20, 2 | 2020-10-20 |
| Clapper valve Grant 10,753,490 - Fuller , et al. A | 2020-08-25 |
| Large Bore Plug Valve App 20200256149 - WITKOWSKI; Brian C. ; et al. | 2020-08-13 |
| Hydraulic Fracturing System, Apparatus, And Method App 20200115986 - Witkowski; Brian C. ; et al. | 2020-04-16 |
| Hydraulic fracturing system, apparatus, and method Grant 10,526,862 - Witkowski , et al. J | 2020-01-07 |
| Hydraulic Fracturing System, Apparatus, And Method App 20190234171 - Witkowski; Brian C. ; et al. | 2019-08-01 |
| Clapper Valve App 20190128435 - Fuller; Nadiya ; et al. | 2019-05-02 |
| Clapper valve Grant 10,197,172 - Fuller , et al. Fe | 2019-02-05 |
| Carburizing Grade Micro-alloy High Pressure Swivel Joints App 20180306358 - Witkowski; Brian C. ; et al. | 2018-10-25 |
| Large Bore Assembly And Spherical Swivel Joint App 20180073308 - Tran; Duc Thanh ; et al. | 2018-03-15 |
| Automated relief valve control system and method Grant 9,857,807 - Baca , et al. January 2, 2 | 2018-01-02 |
| Large Bore Plug Valve App 20170370480 - Witkowski; Brian C. ; et al. | 2017-12-28 |
| Hydraulic Fracturing System, Apparatus, And Method App 20170370199 - Witkowski; Brian C. ; et al. | 2017-12-28 |
| Clapper Valve App 20170234441 - Fuller; Nadiya ; et al. | 2017-08-17 |
| Automated Relief Valve Control System And Method App 20160161956 - Baca; Matthew S. ; et al. | 2016-06-09 |
| Automated relief valve control system and method Grant 9,322,243 - Baca , et al. April 26, 2 | 2016-04-26 |
| Automated relief valve control system and method Grant 9,273,543 - Baca , et al. March 1, 2 | 2016-03-01 |
| Plug valve indicator Grant 8,998,168 - Witkowski , et al. April 7, 2 | 2015-04-07 |
| Swivel joint with uniform ball bearing requirements Grant 8,870,233 - Matzner , et al. October 28, 2 | 2014-10-28 |
| Automated Relief Valve Control System And Method App 20140048158 - Baca; Matthew S. ; et al. | 2014-02-20 |
| Automated Relief Valve Control System And Method App 20140048255 - Baca; Matthew S. ; et al. | 2014-02-20 |
| Plug Valve Indicator App 20130299727 - Witkowski; Brian C. ; et al. | 2013-11-14 |
| Plug valve indicator Grant 8,465,001 - Witkowski , et al. June 18, 2 | 2013-06-18 |
| Flowline Flapper Valve App 20130000745 - Witkowski; Brian C. ; et al. | 2013-01-03 |
| Flowline flapper valve Grant 8,261,771 - Witkowski , et al. September 11, 2 | 2012-09-11 |
| Plug Valve Indicator App 20100308246 - Witkowski; Brian C. ; et al. | 2010-12-09 |
| Flowline Flapper Valve App 20100263744 - Witkowski; Brian C. ; et al. | 2010-10-21 |
| Ball Injector App 20100147866 - Witkowski; Brian C. ; et al. | 2010-06-17 |
| Swivel Joint With Uniform Ball Bearing Requirements App 20090008934 - Matzner; Mark D. ; et al. | 2009-01-08 |
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