140 patents
Page 2 of 7
Utility
End face mechanical seal assembly with high temperature secondary seal
14 Mar 23
A high temperature secondary seal between a rotating seal face adaptor sleeve and a rotating shaft does not consume additional axial space beyond the axial space occupied by the secondary seal.
Glenn Robert Owens, Jr., Jack Robert Vasko
Filed: 16 Dec 19
Utility
Fluid exchange devices and related controls, systems, and methods
28 Feb 23
Pressure exchange devices, systems, and related methods may include a tank, a piston, a valve device, and one or more sensors for monitoring a position of the piston in the tank.
Scott Judge, Neil Havrilla, Nathan Terwilliger, Christopher Shages, A. K. Necioglu
Filed: 8 Nov 19
Utility
Apparatus and Method for Interconnecting and Isolating Very Large Evacuated Volumes
23 Feb 23
A bridging module provides sealable interconnection between segments of an evacuated tube transportation system.
John K. Peterson, Matthew W. Laney
Filed: 26 Jan 21
Utility
Fluid Flow Control Devices and Systems, and Methods of Flowing Fluids
16 Feb 23
Fluid flow control devices, systems, and methods may include a body extending along a longitudinal axis.
Jeff Parish, David Bartholomew, James Davis, Shanwei Guo, Kaushik Asokan
Filed: 12 Aug 21
Utility
Fluid flow control devices and related systems and methods
31 Jan 23
Fluid flow control devices and related systems and methods may include a body or housing and a plug at least partially positioned in the body or housing to define a flow path.
Bruce J. Butler, Bradford B. Haines, Paul J. Parish
Filed: 1 Jan 21
Utility
Method of Characterizing and Monitoring Energy Usage of Battery Powered Wirelessly Linked Devices
26 Jan 23
A method of managing a battery of a wireless sensor or other battery-powered remote wireless device includes pre-characterizing the device's energy usage during its various activities and modes, placing the device in operation, opportunistically gathering device operational data obtained for purposes other than battery management, and estimating a status of the battery according to an analysis of the operational data in light of the pre-characterized information.
Stewart D. Reed
Filed: 20 Jul 21
Utility
Trunnion ball valve with controlled ball-seat engagement and disengagement
24 Jan 23
A trunnion ball valve provides a reliable seal when closed, while minimizing or eliminating frictional resistance during rotation of the ball.
Danilo Barni, Luca Simontacchi
Filed: 20 Oct 21
Utility
Non-metallic belt-driven crosshead drive system for hydraulic decoking
10 Jan 23
An apparatus for raising and lowering a cutting tool within a decoking drum, a decoking system and a method of raising and lowering a decoking system cutting tool.
Daniel O. Arzuaga, Hrishikesh Raghunath Gadre
Filed: 7 May 21
Utility
Waterproof and explosion-proof circuit board and electronic valve actuator for flow control applications
10 Jan 23
A bulkhead passthrough connector containing a printed circuit board (PCB) for transferring electrical signals across a bulkhead to an electronic valve actuator, an electronic valve actuator configured to operate and communicate with a valve using a PCB through a bulkhead, the electronic valve actuator, and a method of assembling a bulkhead passthrough connector incorporating a PCB.
Michael Gorbutt, William Hooss, Dan Morris
Filed: 9 Jun 21
Utility
Shutoff Seal Assemblies and Related Valve Assemblies and Methods
22 Dec 22
A valve assembly includes a valve body having a seat-retainer chamber with a floating seat ring disposed adjacent an inner sidewall of the seat-retainer chamber.
Laren J. Winkel
Filed: 25 Aug 22
Utility
Submersible pump with barrier fluid isolation of motor lubricating liquid from pumped product
15 Nov 22
An electrical submersible pump (ESP) isolates its motor lubricant from pumped product without requiring a bellows, diaphragm, bladder, or external lubricant pressurizing system.
John L. Brown, Sean A. Cain
Filed: 30 Mar 21
Utility
Method of intelligently managing pressure within an evacuated transportation system
8 Nov 22
A high-speed transportation system comprises an evacuated travel conduit divided into a plurality of segments by closable gates, and associated with corresponding segment pumps that maintain operating vacuums within the segments when vehicles are present.
Michael Albert Mancuso, Paul Matthew Hawkins
Filed: 5 May 20
Utility
Shock wave mechanical seal
18 Oct 22
An end face mechanical seal for a high pressure, compressible fluid includes metal or ceramic seal faces separated by a seal gap having at least one supersonic region that accelerates the fluid in the leakage direction, producing a shockwave that reduces fluid pressure to significantly reduce viscous heating and gap length.
Cheng-Kang Guan, Daniel A. Nelson, Chris John Riché, Jr.
Filed: 6 Jan 21
Utility
Pressure compensated bellows valve
11 Oct 22
A bellows seal valve includes a pressurization port that can be used to apply a compensating pressure to the “atmosphere” side of the bellows, i.e. the side of the bellows that is opposite to the process fluid.
Paul Jeffrey Parish, Michael P. Nelson
Filed: 27 Sep 21
Utility
Submersible Pump with Barrier Fluid Isolation of Motor Lubricating Liquid from Pumped Product
6 Oct 22
An electrical submersible pump (ESP) isolates its motor lubricant from pumped product without requiring a bellows, diaphragm, bladder, or external lubricant pressurizing system.
John L. Brown, Sean A. Cain
Filed: 30 Mar 21
Utility
Apparatus and method for evacuating very large volumes
4 Oct 22
A target volume evacuation system includes a turbo compressor and a vacuum pump, the system being operable in a first configuration to reduce the target volume pressure from ambient to a first intermediate pressure, e.g. between 200 mbar and 50 mbar, and in a second configuration to further reduce the pressure from a second intermediate pressure, e.g. 10 mBar, to a target partial vacuum, e.g. between 0.1 and 1 mbar.
Heiner Koesters, Joerg Temming, Soenke Siebels, Daniel Kuehlein
Filed: 6 Nov 19
Utility
Continuous tilt angle indicator for a swing or tilting disk check valve
13 Sep 22
A sensing apparatus measures the disk tilt angle of a swing or tilting disk check valve without requiring penetration of the valve housing through a rotating shaft seal.
Richard J. Gradle
Filed: 21 Nov 19
Utility
Valve assemblies, valve packing assemblies and related systems and methods
6 Sep 22
Valve stem packing assemblies may include at least one end ring and at least one sealing ring.
Richard J. Gradle
Filed: 24 Apr 20
Utility
Shutoff seal for high temperature pressure balance valve and related methods
30 Aug 22
A valve assembly includes a valve body having a seat-retainer chamber with a floating seat ring disposed adjacent an inner sidewall of the seat-retainer chamber.
Laren J. Winkel
Filed: 27 Jul 17
Utility
Rotating diffuser pump
26 Jul 22
A centrifugal pump with a rotating impeller and a rotating diffuser.
Andreas Dreiss, Rehan Farooqi, Stefano Tosin, Jens Friedrichs
Filed: 3 Dec 14