US Patent No: 4,515,750

Number of patents in Portfolio can not be more than 2000

Sealing coupling




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Disclosed is a remotely operable releasable sealing coupling which provides fluid-tight joinder of upper and a lower conduit sections. Each conduit section has a concave conical sealing surface adjacent its end portion. A tubular sleeve having convex spherical ends is inserted between the conduit ends to form line contact with the concave conical end portions. An inwardly projecting lip located at one end of the sleeve cooperates with a retaining collar formed on the upper pipe end to provide swivel capture for the sleeve. The upper conduit section also includes a tapered lower end portion which engages the inside surface of the sleeve to limit misalignment of the connected conduit sections.

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Patent Owner(s)

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Inventor Name Address # of filed Patents Total Citations
Brubaker, Robert C Naperville, IL 1 28
Pardini, John A Brookfield, IL 2 35
Rusnak, John J Orland Park, IL 1 28

Cited Art Landscape

Patent Info (Count) # Cites Year
The United States of America as represented by the United States Department of Energy (1)
* 4,348,353 Nuclear reactor fuel assembly duct-tube-to-inlet-nozzle attachment system 9 1980
* Cited By Examiner

Patent Citation Ranking

Forward Cite Landscape

Patent Info (Count) # Cites Year
* 4,699,760 Fuel assembly skeleton with structural and non-structural top nozzle/guide thimble joints 7 1985
8,016,744 External pressure-based gastric band adjustment system and method 6 2006
7,775,215 System and method for determining implanted device positioning and obtaining pressure data 69 2006
7,775,966 Non-invasive pressure measurement in a fluid adjustable restrictive device 71 2006
8,016,745 Monitoring of a food intake restriction device 6 2006
7,927,270 External mechanical pressure sensor for gastric band pressure measurements 15 2007
8,066,629 Apparatus for adjustment and sensing of gastric band pressure 18 2007
7,658,196 System and method for determining implanted device orientation 98 2007
8,187,163 Methods for implanting a gastric restriction device 0 2007
8,100,870 Adjustable height gastric restriction devices and methods 4 2007
8,377,079 Constant force mechanisms for regulating restriction devices 1 2007
8,142,452 Controlling pressure in adjustable restriction devices 0 2007
8,591,395 Gastric restriction device data handling devices and methods 0 2008
8,337,389 Methods and devices for diagnosing performance of a gastric restriction system 0 2008
8,192,350 Methods and devices for measuring impedance in a gastric restriction system 3 2008
8,221,439 Powering implantable restriction systems using kinetic motion 2 2008
7,844,342 Powering implantable restriction systems using light 58 2008
8,114,345 System and method of sterilizing an implantable medical device 1 2008
8,591,532 Automatically adjusting band system 0 2008
8,057,492 Automatically adjusting band system with MEMS pump 6 2008
8,034,065 Controlling pressure in adjustable restriction devices 5 2008
8,870,742 GUI for an implantable restriction device and a data logger 0 2008
8,152,710 Physiological parameter analysis for an implantable restriction device and a data logger 1 2008
8,233,995 System and method of aligning an implantable antenna 0 2008
8,187,162 Reorientation port 1 2008
* 5,037,115 Piston ring assemblies for high temperature seals 13 1989
Atea, Societe Atlantique de Techniques Avancees (1)
* 5,748,689 Sealing device for an instrumentation column penetrating the head of the vessel of a nuclear reactor inside an adapter 2 1995
Framatome (1)
* 5,112,567 Device for shutting off a vertical conduit for supporting and guiding an element of elongate shape 2 1990
Matrix Devices, LLC (1)
* 2004/0078,878 Remotely operable vent stop 2 2003
* Cited By Examiner