Patents by Inventor Mark A. Clark

Mark A. Clark has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 9441765
    Abstract: A piping component for controlling the flow of fluids that includes a piping body having an inlet end and an outlet end, including methods of operating such components within a piping system. The piping body may be sized for fluids operating at temperatures from approximately 350° F. up to approximately 500° F., and up to approximately 650° F. In addition, the piping body is made from a silicon-copper alloy consisting essentially of less than 16% zinc, less than trace amounts of lead, less than trace amounts of bismuth, 2 to 6% silicon and a balance of copper (by weight). In certain aspects, less than 0.09% of lead and/or less than 0.09% bismuth are contained in the silicon-copper alloy.
    Type: Grant
    Filed: November 16, 2015
    Date of Patent: September 13, 2016
    Assignee: NIBCO INC.
    Inventors: David A. Bobo, Mark A. Clark, Aaron W. Edds, Benjamin L. Lawrence, Charles M. Stutsman
  • Patent number: 9302952
    Abstract: One exemplary embodiment can be an alkylation unit. The alkylation unit can include at least one alkylation reaction zone having an alkylation catalyst, at least one cooler communicating with the at least one alkylation reaction zone, a settler communicating with the at least one alkylation reaction zone and the at least one cooler, a fractionation zone receiving an effluent from the settler passing through a line, and a boot coupled to a substantially horizontal portion of the line. Generally, the boot receives an effluent portion rich in the alkylation catalyst.
    Type: Grant
    Filed: July 16, 2012
    Date of Patent: April 5, 2016
    Assignee: UOP LLC
    Inventors: Mark A. Clark, Jason J. Gislason
  • Publication number: 20160069483
    Abstract: A piping component for controlling the flow of fluids that includes a piping body having an inlet end and an outlet end, including methods of operating such components within a piping system. The piping body may be sized for fluids operating at temperatures from approximately 350° F. up to approximately 500° F., and up to approximately 650° F. In addition, the piping body is made from a silicon-copper alloy consisting essentially of less than 16% zinc, less than trace amounts of lead, less than trace amounts of bismuth, 2 to 6% silicon and a balance of copper (by weight). In certain aspects, less than 0.09% of lead and/or less than 0.09% bismuth are contained in the silicon-copper alloy.
    Type: Application
    Filed: November 16, 2015
    Publication date: March 10, 2016
    Inventors: David A. Bobo, Mark A. Clark, Aaron W. Edds, Benjamin L. Lawrence, Charles M. Stutsman
  • Patent number: 9217521
    Abstract: A piping component for controlling the flow of fluids that includes a piping body having an inlet end and an outlet end, including methods of operating such components within a piping system. The piping body may be sized for fluids operating at temperatures from approximately 350° F. up to approximately 500° F., and up to approximately 650° F. In addition, the piping body is made from a silicon-copper alloy consisting essentially of less than 16% zinc, less than trace amounts of lead, less than trace amounts of bismuth, 2 to 6% silicon and a balance of copper (by weight). In certain aspects, less than 0.09% of lead and/or less than 0.09% bismuth are contained in the silicon-copper alloy.
    Type: Grant
    Filed: February 18, 2015
    Date of Patent: December 22, 2015
    Assignee: NIBCO INC.
    Inventors: David A. Bobo, Mark A. Clark, Aaron W. Edds, Benjamin L. Lawrence, Charles M. Stutsman
  • Publication number: 20150159782
    Abstract: A piping component for controlling the flow of fluids that includes a piping body having an inlet end and an outlet end, including methods of operating such components within a piping system. The piping body may be sized for fluids operating at temperatures from approximately 350° F. up to approximately 500° F., and up to approximately 650° F. In addition, the piping body is made from a silicon-copper alloy consisting essentially of less than 16% zinc, less than trace amounts of lead, less than trace amounts of bismuth, 2 to 6% silicon and a balance of copper (by weight). In certain aspects, less than 0.09% of lead and/or less than 0.09% bismuth are contained in the silicon-copper alloy.
    Type: Application
    Filed: February 18, 2015
    Publication date: June 11, 2015
    Inventors: David A. Bobo, Mark A. Clark, Aaron W. Edds, Benjamin L. Lawrence, Charles M. Stutsman
  • Patent number: 8991787
    Abstract: A piping component for controlling the flow of high-temperature fluids that includes a piping body having an inlet end and an outlet end, including methods of operating such components within a piping system. The piping body may be sized for fluids operating at temperatures from approximately 350° F. up to approximately 500° F., and 650° F. The piping body may also be sized for high-temperature fluids (e.g., steam) operating at pressures of up to approximately 400 psi, and 600 psi. In addition, the piping body is made from a silicon-copper alloy consisting essentially of less than 16% zinc, less than 0.25% lead, less than 0.25% bismuth, 2 to 6% silicon and a balance of copper (by weight).
    Type: Grant
    Filed: March 12, 2013
    Date of Patent: March 31, 2015
    Assignee: NIBCO Inc.
    Inventors: David A. Bobo, Mark A. Clark, Aaron W. Edds, Benjamin L. Lawrence, Charles M. Stutsman
  • Publication number: 20140090714
    Abstract: A piping component for controlling the flow of high-temperature fluids that includes a piping body having an inlet end and an outlet end, including methods of operating such components within a piping system. The piping body may be sized for fluids operating at temperatures from approximately 350° F. up to approximately 500° F., and 650° F. The piping body may also be sized for high-temperature fluids (e.g., steam) operating at pressures of up to approximately 400 psi, and 600 psi. In addition, the piping body is made from a silicon-copper alloy consisting essentially of less than 16% zinc, less than 0.25% lead, less than 0.25% bismuth, 2 to 6% silicon and a balance of copper (by weight).
    Type: Application
    Filed: March 12, 2013
    Publication date: April 3, 2014
    Applicant: NIBCO INC.
    Inventors: David A. Bobo, Mark A. Clark, Aaron W. Edds, Benjamin L. Lawrence, Charles M. Stutsman
  • Publication number: 20120279848
    Abstract: One exemplary embodiment can be an alkylation unit. The alkylation unit can include at least one alkylation reaction zone having an alkylation catalyst, at least one cooler communicating with the at least one alkylation reaction zone, a settler communicating with the at least one alkylation reaction zone and the at least one cooler, a fractionation zone receiving an effluent from the settler passing through a line, and a boot coupled to a substantially horizontal portion of the line. Generally, the boot receives an effluent portion rich in the alkylation catalyst.
    Type: Application
    Filed: July 16, 2012
    Publication date: November 8, 2012
    Applicant: UOP LLC
    Inventors: Mark A. Clark, Jason J. Gislason
  • Patent number: 8246921
    Abstract: One exemplary embodiment can be an alkylation unit. The alkylation unit can include at least one alkylation reaction zone having an alkylation catalyst, at least one cooler communicating with the at least one alkylation reaction zone, a settler communicating with the at least one alkylation reaction zone and the at least one cooler, a fractionation zone receiving an effluent from the settler passing through a line, and a boot coupled to a substantially horizontal portion of the line. Generally, the boot receives an effluent portion rich in the alkylation catalyst.
    Type: Grant
    Filed: September 24, 2008
    Date of Patent: August 21, 2012
    Assignee: UOP LLC
    Inventors: Mark A. Clark, Jason J. Gislason
  • Publication number: 20100076234
    Abstract: One exemplary embodiment can be an alkylation unit. The alkylation unit can include at least one alkylation reaction zone having an alkylation catalyst, at least one cooler communicating with the at least one alkylation reaction zone, a settler communicating with the at least one alkylation reaction zone and the at least one cooler, a fractionation zone receiving an effluent from the settler passing through a line, and a boot coupled to a substantially horizontal portion of the line. Generally, the boot receives an effluent portion rich in the alkylation catalyst.
    Type: Application
    Filed: September 24, 2008
    Publication date: March 25, 2010
    Inventors: Mark A. Clark, Jason J. Gislason
  • Patent number: 7092927
    Abstract: Methods and apparatus for performing conflict assessments conducted by a software tool, which are particularly suited for monitoring internal conflicts of various countries are disclosed. An application of this method and apparatus to the international community is also disclosed.
    Type: Grant
    Filed: June 27, 2001
    Date of Patent: August 15, 2006
    Assignee: The Fund for Peace Corporation
    Inventors: Mark A. Clark, Pauline H. Baker, Anne V. Russell
  • Publication number: 20030004954
    Abstract: Methods and apparatus for performing conflict assessments conducted by a software tool, which are particularly suited for monitoring internal conflicts of various countries are disclosed.
    Type: Application
    Filed: June 27, 2001
    Publication date: January 2, 2003
    Inventors: Mark A. Clark, Pauline H. Baker, Anne V. Russell
  • Patent number: 6228650
    Abstract: In an HF alkylation process where an acid catalyst regeneration column separates HF acid from ASO and water to provide regenerated catalyst for a catalyst circulation stream, and where buildup of ASO in the catalyst circulation stream is encountered, an improved control scheme uses an on-line analyzer/controller to maintain desired concentrations of HF acid, or ASO or water in the catalyst circulation stream. In one embodoment, a continuously flowing catalyst slip stream is piped to the analyzer/controller for simultaneously determining concentration of HF acid, ASO and water, and in a preferred embodiment the ASO concentration is maintained at a desired low level by manipulating temperature of a stripping fluid charged to a lower section of the column. An alternate manipulated variable is temperature of the acid catalyst feed to the regenerator column. Alternate controlled variables are the HF acid, and water concentration in the catalyst circulation stream.
    Type: Grant
    Filed: December 7, 1998
    Date of Patent: May 8, 2001
    Assignee: Phillips Petroleum Company
    Inventors: William P. Moore, Mark A. Clark, Bruce B. Randolph
  • Patent number: 5740831
    Abstract: A sillcock which has freeze resistance, backflow contamination resistance and back pressure release from the downstream water, having a resilient, radially compressible and expandable back pressure seal valve which is also axially movable a controlled amount to thereby cover or uncover an inner vent hole between the water passage and a vent passage, to allow pressure release from the water flow passage to the atmosphere.
    Type: Grant
    Filed: December 31, 1996
    Date of Patent: April 21, 1998
    Assignee: Nibco Inc.
    Inventors: Patrick E. DeNardo, Mark A. Clark
  • Patent number: 5389264
    Abstract: This invention relates to a process and apparatus for dissipating the energy of a wet oxidation mixture after that stream traverses a pressure control valve. The depressurized stream is discharged into a phase separator vessel containing a gas phase and a liquid phase. The pressure control valve is positioned to discharge the oxidation mixture at a selected orientation below the surface level of the liquid phase in the vessel. This dissipates the energy of the mixture and prevents erosion of the phase separator vessel. The apparatus of the invention includes the separator vessel with gas and liquid phase exits, a control device for maintaining the liquid phase at the selected level in the vessel, a pressure control valve positioned at an aperture in the vessel for discharging the mixture below the surface level of the liquid phase in the vessel, and sealing device between the control valve and the separator vessel.
    Type: Grant
    Filed: July 12, 1993
    Date of Patent: February 14, 1995
    Assignee: Zimpro Environmental Inc.
    Inventors: Richard W. Lehmann, Mark A. Clark
  • Patent number: 5355951
    Abstract: A method of evaluating a slurry mixing and placing process, such as a cementing process, for an oil or gas well comprises identifying and measuring specific subprocesses and parameters thereof, statistically summarizing the parameters and creating a database thereof, and analyzing the statistically summarized parameters to identify or compare against process capabilities to reduce variation, thereby improving specific job performance and the overall process.
    Type: Grant
    Filed: March 15, 1993
    Date of Patent: October 18, 1994
    Assignee: Halliburton Company
    Inventors: Thomas E. Allen, Gary D. Arnold, Leonard R. Case, Mark A. Clark, Gary E. Folmnsbee, Jerry L. Gammill, James M. Macadam, John M. Richardson, Freddie L. Sabins, Larry T. Watters
  • Patent number: 5230810
    Abstract: A process for controlling corrosion in a wet oxidation system by controlling the operating pH range within the system is described. A pH operating range is selected within which corrosion to the wet oxidation system is minimized. The pH within the wet oxidation system is monitored and a pH adjusting material is added to the waste material being treated to maintain the system pH within the selected pH operating range, thus minimizing corrosion.
    Type: Grant
    Filed: September 25, 1991
    Date of Patent: July 27, 1993
    Assignee: Zimpro Passavant Environmental Systems, Inc.
    Inventors: Mark A. Clark, David A. Beula
  • Patent number: 5014218
    Abstract: A process control system includes a remote control computer connected by two pairs of electrical conductors to a local control computer and a monitor computer. The remote control computer provides a set point from entered control information, the monitor computer provides real time information about an operating characteristic of the process, and the local control computer receives feedback information from a characteristic of the process which is controlled by a control signal provided by the local control computer in response to the set point, the real time information and the feedback information. The monitor computer also provides information about monitored characteristics to the remote control computer. The real time information provided by the monitor computer to the local control computer is transmitted separately from the two pairs of electrical conductors.
    Type: Grant
    Filed: July 25, 1989
    Date of Patent: May 7, 1991
    Assignee: Halliburton Company
    Inventors: Stephen F. Crain, Mark A. Clark, Edward L. Woodall
  • Patent number: 4953097
    Abstract: A process control system includes a remote control computer located remotely from where the process is to be performed, and the system includes a monitor computer and a local control computer both located where the process is to be performed. The monitor computer and the local control computer are connected to the remote control computer by a common cable including at most two communication channels, each defined in a preferred embodiment by a respective pair of electrical conductors.
    Type: Grant
    Filed: July 25, 1989
    Date of Patent: August 28, 1990
    Assignee: Halliburton Company
    Inventors: Stephen F. Crain, Mark A. Clark, Edward L. Woodall
  • Patent number: D551395
    Type: Grant
    Filed: July 31, 2006
    Date of Patent: September 18, 2007
    Inventor: Mark A. Clark