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Inventor profile of:

Brian C. Witkowski

City:

Weatherford, Texas

Country:

United States

Published Applications:

Last publication date:

2025-08-14

Top Assignees for applications by Brian C. Witkowski

The entities that hold a legal rights for patent applications filed by inventor Witkowski Brian C.:

SPM FLOW CONTROL, INC. 12 Fort Worth, TX United States
SPM Oil & Gas Inc. 5 Fort Worth, TX United States
Weir SPM, Inc. 2 Forth Worth, TX United States
WEIR SPM, INC. 1 Fort Worth, TX United States
SEABOARD INTERNATIONAL INC. 1 HOUSTON, TX United States
S.P.M. FLOW CONTROL, INC. 1 Ft. Worth, TX United States
SPM OIL & GAS INC. 1 Fort Worth, TX United States

Recent patent applications by Witkowski Brian C.

Brian C. Witkowski from Weatherford, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2025-08-14

US20250257811A1

Mechanical engineering

STABILIZED CHECK VALVE

#2 | 2025-02-06

US20250043875A1

Mechanical engineering

Stabilized check valve

#3 | 2024-04-11

US20240117889A1

Mechanical engineering

TWO-PIN CLAPPER CHECK VALVE

#4 | 2023-04-13

US20230116368A1

Mechanical engineering

CLAPPER CHECK VALVE WITH A VALVE SEAT SEAL MEMBER

#5 | 2022-01-20

US20220018446A1

Mechanical engineering

Clapper check valve with a valve seat seal member

#6 | 2020-12-17

US20200393054A1

Mechanical engineering

Clapper valve

#7 | 2019-08-01

US20190234171A1

Fixed constructions

Hydraulic fracturing system, apparatus, and method

#8 | 2019-05-02

US20190128435A1

Mechanical engineering

Clapper valve

#9 | 2018-03-15

US20180073308A1

Fixed constructions

LARGE BORE ASSEMBLY AND SPHERICAL SWIVEL JOINT

#10 | 2017-12-28

US20170370199A1

Fixed constructions

Hydraulic fracturing system, apparatus, and method

#11 | 2017-08-17

US20170234441A1

Mechanical engineering

Clapper valve

#12 | 2016-06-09

US20160161956A1

Physics

Automated relief valve control system and method

#13 | 2014-02-20

US20140048255A1

Fixed constructions

Automated relief valve control system and method

#14 | 2014-02-20

US20140048158A1

Fixed constructions

Automated relief valve control system and method

#15 | 2013-11-14

US20130299727A1

Mechanical engineering

Plug valve indicator

#16 | 2013-01-03

US20130000745A1

Mechanical engineering

Flowline flapper valve

#17 | 2010-12-09

US20100308246A1

Mechanical engineering

Plug valve indicator

#18 | 2010-10-21

US20100263744A1

Mechanical engineering

Flowline flapper valve

#19 | 2010-06-17

US20100147866A1

Fixed constructions

Ball Injector

#20 | 2009-01-08

US20090008934A1

Mechanical engineering

Swivel joint with uniform ball bearing requirements

InventorID:

1726 ⎘