Brian C. Witkowski — 34 Patents at S.P.M. Flow Control

Brian C. Witkowski has been granted 34 US patents while listed as an inventor at S.P.M. Flow Control. The first was granted in 2012 and the most recent in September 2025. Brian C. Witkowski ranks #100,737 of 4,157,543 US inventors in our database (top 2.4%). Patent records list Brian C. Witkowski in Weatherford, TX, US.

Issued Patents All Time

Showing 1–25 of 34 patents

Patent #	Title	Co-Inventors	Date
12410869	Two-pin clapper check valve	Nadiya Fuller	2025-09-09
12320434	Stabilized check valve	Nadiya Fuller	2025-06-03
12222054	Swivel assembly formed of a corrosion-resistant material	Jacob A. Bayyouk	2025-02-11
11530591	Large bore plug valve	Nuder Said, Duc Thanh Tran	2022-12-20
11519530	Full-root-radius-threaded wing nut having increased wall thickness	Bunhap Sam	2022-12-06
11512781	Clapper check valve with a valve seat seal member	—	2022-11-29
11421504	Hydraulic fracturing system, apparatus, and method	Nadiya Fuller, Nuder Said, Duc Thanh Tran, Peter Walter	2022-08-23
11365819	Clapper valve	Nadiya Fuller, Nuder Said	2022-06-21
11149514	Hydraulic fracturing system, apparatus, and method	Nadiya Fuller, Nuder Said, Duc Thanh Tran, Peter Walter	2021-10-19
11149885	Carburizing grade micro-alloy high pressure swivel joints	Matt Treida, Ben Ward	2021-10-19
10808488	Hydraulic fracturing system, apparatus, and method	Nadiya Fuller, Nuder Said, Duc Thanh Tran, Peter Walter	2020-10-20
10753490	Clapper valve	Nadiya Fuller, Nuder Said	2020-08-25
10557576	Full-root-radius-threaded wing nut having increased wall thickness	Bunhap Sam	2020-02-11
10526862	Hydraulic fracturing system, apparatus, and method	Nadiya Fuller, Nuder Said, Duc Thanh Tran, Peter Walter	2020-01-07
10197172	Clapper valve	Nadiya Fuller, Nuder Said	2019-02-05
9964245	Swivel joint with uniform ball bearing requirements	Mark D. Matzner	2018-05-08
9857807	Automated relief valve control system and method	Matthew S. Baca	2018-01-02
9638337	Plug valve having preloaded seal segments	Nuder Said	2017-05-02
D774495	Electronic device holder	Matthew S. Baca	2016-12-20
9322243	Automated relief valve control system and method	Matthew S. Baca	2016-04-26
9273543	Automated relief valve control system and method	Matthew S. Baca	2016-03-01
9103448	Plug valve having preloaded seal segments	Nuder Said	2015-08-11
D734434	Seal assembly	Nuder Said	2015-07-14
8998168	Plug valve indicator	Edward C. Kotapish	2015-04-07
8978695	Flowline flapper valve	Nuder Said	2015-03-17

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Brian C. Witkowski — 34 Patents

Issued Patents All Time

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