Patents Represented by Attorney John F. McDevitt

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  • Elevated temperature metal forming lubrication method
    Patent number: 5584201
    Abstract: An improved method to lubricate a metal workpiece at elevated working temperatures is described employing a novel liquid lubricant preparation which includes a vaporizable and polymerizable alkyl aromatic phosphate ester in combination with a die release agent selected from the group consisting of an organic binder and a fatty acid soap, to include mixtures thereof. The applied preparation forms a solid polymer lubricant in the forming die at the elevated working temperatures enabling lower applied pressures to be employed while producing superior workpieces.
    Type: Grant
    Filed: November 20, 1995
    Date of Patent: December 17, 1996
    Assignee: Cleveland State University
    Inventors: Edgar E. Graham, Roger M. Koeberle, Thomas C. Coneglio, Raj D. Bedi
  • Pneumatic impact tool having improved vibration and noise attenuation
    Patent number: 5573075
    Abstract: Vibration and noise are considerably reduced in a pneumatic impact tool with structure providing novel vibration dampening and vibration isolation. The required vibration reducing components employ particular vibration dampening chamber members which dynamically interact with further included multi-part spring and elastomeric members.
    Type: Grant
    Filed: July 5, 1995
    Date of Patent: November 12, 1996
    Assignee: T.C. Service Company
    Inventors: Edgar G. Henry, Frank W. Schossler, Donald K. Kuhl
  • Method and apparatus for water purification
    Patent number: 5571385
    Abstract: A water purification method and apparatus is described which distills a contaminated water supply having contaminants dissolved therein with electrically powered spaced apart immersion electrodes. When connected to a source of alternating electrical current, the electrode members cooperate to distill water by heating while concurrently removing the contaminants as solid precipitates in the contaminated remaining water.
    Type: Grant
    Filed: May 8, 1995
    Date of Patent: November 5, 1996
    Assignee: Cleveland State University
    Inventors: Mircea Faur, Maria Faur, David W. Epperly
  • High intensity arc discharge lamp having clip member to secure base to outer lamp envelope
    Patent number: 5550422
    Abstract: A modified base construction for a high intensity arc discharge lamp is described enabling a single piece screw type conductive base member to be directly secured to the outer lamp envelope. The simplified base construction employs a conductive clip physically attached to the outer lamp envelope which provides a locking engagement between the assembled lamp parts.
    Type: Grant
    Filed: December 21, 1994
    Date of Patent: August 27, 1996
    Assignee: Venture Lighting International, Inc.
    Inventors: Juris Sulcs, Raymond J. Noe
  • High temperature lubrication method for metal and ceramic bearings
    Patent number: 5498354
    Abstract: Metal and ceramic bearing means being operated at elevated temperatures of at least 300.degree. C. and higher under various atmospheric conditions are effectively lubricated with a novel class of vapor-phase deposited polymer lubricants. The lubricants are formed in-situ during bearing operation and are formed starting with various polyphenyl thioether compounds.
    Type: Grant
    Filed: October 5, 1994
    Date of Patent: March 12, 1996
    Assignee: Cleveland State University
    Inventors: Edgar E. Graham, Wilfredo Morales
  • Bearing lubrication means having wide temperature utilization
    Patent number: 5498352
    Abstract: Metal and/or ceramic bearing lubrication is provided over a utilization temperature range extending from about -50.degree. C. up to at least 500.degree. C. and higher with a blended mixture of a vaporizable and polymerizable aryl ester contained in a liquid alpha olefin oligomer. Vapor-phase polymerization of the aryl phosphate ester occurs during bearing operation to produce a polymer lubricating coating on at least one of the treated bearing surfaces.
    Type: Grant
    Filed: November 17, 1994
    Date of Patent: March 12, 1996
    Assignee: Cleveland State University
    Inventors: Edgar E. Graham, Nelson H. Forster
  • Elevated temperature metal forming lubrication
    Patent number: 5495737
    Abstract: An improved method to lubricate a metal workpiece at elevated temperatures is described employing a novel polymer lubricant formed in situ. The novel lubricant is provided with a liquid mist of a lubricant preparation containing a vaporizable and polymerizable organic reactant in combination with graphite particulates being supplied to both workpiece and forming die at the elevated working temperatures.
    Type: Grant
    Filed: July 15, 1994
    Date of Patent: March 5, 1996
    Assignee: Cleveland State University
    Inventor: Edgar E. Graham
  • Elevated temperature metal forming lubrication method
    Patent number: 5493886
    Abstract: An improved method to lubricate a metal workpiece at elevated temperatures is described employing a novel polymer lubricant formed in situ. The novel lubricant is provided with a liquid mist of a vaporizable and polymerizable organic reactant being supplied to both workpiece and forming die at the elevated working temperatures.
    Type: Grant
    Filed: January 30, 1995
    Date of Patent: February 27, 1996
    Assignee: Cleveland State University
    Inventor: Edgar E. Graham
  • Pneumatic impact tool having improved vibration and noise attenuation
    Patent number: 5407018
    Abstract: Vibration and noise are considerably reduced in a pneumatic impact tool employing a reciprocating work member such as a chisel or hammer by providing composite elastomeric attenuation element in the tool construction. A laminar configuration of the attenuation elements is employed having dual outer layers of elastomeric material in combination with a rigid inner layer and with such attenuation elements being located in the tool construction for physical impact by the work member.
    Type: Grant
    Filed: January 10, 1994
    Date of Patent: April 18, 1995
    Assignee: TC Services
    Inventor: Edgar G. Henry
  • Medical anti-shock appliance
    Patent number: 5368547
    Abstract: A medical appliance is disclosed employing multiple inflatable components which cooperate to apply compressive pressure to each leg of a person. The appliance includes physically separate upper and lower leg components each having individual chambers joined together with flexible straps for attachment to the wearer. The appliance can further include a physically separate inflatable bladder elements for attachment to the wearer's pelvic region.
    Type: Grant
    Filed: August 26, 1992
    Date of Patent: November 29, 1994
    Inventor: Gordon Polando
  • Control system for a flexible fluid carrying hose
    Patent number: 5351932
    Abstract: A control system is disclosed for use on flexible fluid carrying hoses, such as a fire hose, which now employ clamping means to temporarily interrupt fluid flow during hose operation. Frictional engagement means are provided for use with the hose clamp means to limit clamp movement when both opened and closed. A method of operating such hose clamp assembly is also disclosed.
    Type: Grant
    Filed: September 20, 1993
    Date of Patent: October 4, 1994
    Assignee: Cleveland State University
    Inventor: Pieter J. von Herrmann
  • High temperature lubrication for metal and ceramic bearings
    Patent number: 5351786
    Abstract: Metal and ceramic bearing means being operated at elevated temperatures of at least 300.degree. C. and higher under atmospheric conditions are effectively lubricated with a novel class of vapor-phase deposited polymer lubricants. The lubricants are formed in situ during bearing operation and can further be applied as a precoat upon at least one of the untreated bearing surfaces for subsequent operation in the same manner.
    Type: Grant
    Filed: August 31, 1992
    Date of Patent: October 4, 1994
    Assignee: Cleveland State University
    Inventors: Edgar E. Graham, Nelson H. Forster
  • Utilization system for gaseous fuel powered vehicles
    Patent number: 5323752
    Abstract: An improved on-board storage and use system employing a gaseous hydrocarbon fuel to power internal combustion engine vehicles is disclosed. Storage of the fuel by sorption in a plurality of storage vessels at above atmospheric pressure enables subsequent removal for use during vehicle operation to include using an air stream in a particular manner for greater fuel recovery.
    Type: Grant
    Filed: June 11, 1993
    Date of Patent: June 28, 1994
    Assignee: Cleveland State University
    Inventors: Pieter J. von Herrmann, Orhan Talu
  • Device for detecting the type of ballast of a discharge lamp
    Patent number: 5296815
    Abstract: A portable inspection device is disclosed enabling a user to identify what type ballast means are being employed to operate gaseous discharge lamps. Magnetic ballasts are distinguished from electronic ballasts in such manner by simply inspecting the lamp illumination from a remote location.
    Type: Grant
    Filed: July 14, 1992
    Date of Patent: March 22, 1994
    Assignee: Rensselaer Polytechnic Institute
    Inventors: Kathryn M. Conway, Peter Boyce, Kenneth Sasiadek
  • Releasable filament clamp
    Patent number: 5249337
    Abstract: A method and means are provided to releasably secure one or more filament lengths in place with a single piece molded polymer clamp device. Said clamp device employs frictional retention means which cooperate with openings to grip the filament or filaments.
    Type: Grant
    Filed: June 8, 1992
    Date of Patent: October 5, 1993
    Inventors: Andrew L. Cross, Thomas Luby
  • Gas storage process
    Patent number: 5247971
    Abstract: An improved method for storage of a first adsorbable gas is disclosed employing a more strongly adsorbed gaseous material. The first adsorbable gas is stored in a bed of solid adsorbent particles after already having adsorbed the more strongly adsorbable gas which causes less of the first adsorbable gas to be retained when being desorbed from the storage medium.
    Type: Grant
    Filed: March 23, 1992
    Date of Patent: September 28, 1993
    Assignee: Cleveland State University
    Inventor: Orhan Talu
  • Material machining with improved fluid jet assistance
    Patent number: 5237894
    Abstract: Improved machining of various materials is disclosed by means of a material cutting insert having an internal fluid passageway which discharges a high velocity fluid jet stream in a particular manner. An improved method for use of the cutting insert is also disclosed along with apparatus employing the improvement.
    Type: Grant
    Filed: July 17, 1992
    Date of Patent: August 24, 1993
    Assignee: Cleveland State University
    Inventor: Richard R. Lindeke
  • Electrical cord coupling
    Patent number: 5211573
    Abstract: A method and means are provided to retain locked engagement for the plug end of an electrical cord. A coupling device is provided enabling the user to retain locking engagement for the electrically connected cord during ordinary usage.
    Type: Grant
    Filed: June 8, 1992
    Date of Patent: May 18, 1993
    Inventor: Andrew L. Cross
  • Elevated temperature method to adhere wear resistant polymer coating to ceramic article
    Patent number: 5209951
    Abstract: A method is disclosed to provide a ceramic article with a protective coating which resists mechanical wear at elevated temperatures up to 500.degree. C. and higher. The coating is applied by first chemically depositing the oxide product layer of a transition metal element on the uncoated ceramic surface and thereafter vapor depositing an adherent organic polymer lubricating film on the oxide product layer. Ceramic materials provided with such protective coating include silicon carbide, silicon nitride and vitreous silica.
    Type: Grant
    Filed: July 13, 1992
    Date of Patent: May 11, 1993
    Assignee: Cleveland State University
    Inventors: Edgar E. Graham, James F. Makki
  • Fabric handing apparatus having variable speed fabric travel
    Patent number: 5195690
    Abstract: Fabric handling apparatus is provided to continuously unwind a fabric sheet being supplied from a supply roll at variable travel speeds for subsequent processing operations. The fabric sheet being unwound is accumulated in storage means enabling the fabric travel speed to be automatically and continuously decreased as fabric is being accumulated while also being automatically and continuously increased as the fabric sheet is being withdrawn from storage.
    Type: Grant
    Filed: October 15, 1991
    Date of Patent: March 23, 1993
    Assignee: Cleveland State University
    Inventors: Andrew L. Cross, Frank Albert, Jr.