Patents by Inventor Henry J. Weltman

Henry J. Weltman 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).

  • Nonflammable mild odor solvent cleaner with (m)ethyl lactate and propylene glycol propyl ether
    Patent number: 5604196
    Abstract: Disclosed are three organic solvent cleaning formulations. In one embodiment, the formulation is methyl or ethyl lactate and propylene glycol methyl ether. In another embodiment, the formulation is methyl or ethyl lactate and propylene glycol propyl ether. In a third embodiment, the formulation is ethyl lactate and isoparaffins of isoundecane and isododecane with propylene glycol propyl ether added as a stabilizing agent.
    Type: Grant
    Filed: June 1, 1995
    Date of Patent: February 18, 1997
    Assignee: Lockheed Corporation
    Inventors: Henry J. Weltman, Tony L. Phillips
  • Nonflammable mild odor solvent cleaner
    Patent number: 5437808
    Abstract: Disclosed are three organic solvent cleaning formulations. In one embodiment, the formulation is methyl or ethyl lactate and propylene glycol methyl ether. In another embodiment, the formulation is methyl or ethyl lactate and propylene glycol propyl ether. In a third embodiment, the formulation is ethyl lactate and isoparaffins of isoundecane and isododecane with propylene glycol propyl ether added as a stabilizing agent.
    Type: Grant
    Filed: July 15, 1993
    Date of Patent: August 1, 1995
    Assignee: Lockheed Corporation
    Inventors: Henry J. Weltman, Tony L. Phillips
  • Cleaning formulation and method of wipe cloth disposal
    Patent number: 5416253
    Abstract: Disclosed are formulations for producing chemical solvent admixtures that can be employed to clean a surface for further work; and that can be applied to cloths for the cleaning operation yet alleviate problems with solvent evaporation into the atmosphere to cause many legal and environmental problems, and a method of storing and disposing of cloths soaked with the formulation that alleviates current problems.
    Type: Grant
    Filed: December 16, 1992
    Date of Patent: May 16, 1995
    Assignee: Lockheed Corporation
    Inventors: Henry J. Weltman, Tony L. Phillips
  • Low odor cleaning formulation comprising propylene glycol methyl ether and propylene glycol methyl ether acetate
    Patent number: 5370817
    Abstract: Disclosed are formulations for producing chemical solvent admixtures that can be employed to clean a surface for further work; and that can be applied to cloths for the cleaning operation yet alleviate problems with solvent evaporation into the atmosphere to cause many legal and environmental problems, and a method of storing and disposing of cloths soaked with the formulation that alleviates current problems.
    Type: Grant
    Filed: February 2, 1993
    Date of Patent: December 6, 1994
    Assignee: Lockheed Corporation
    Inventors: Henry J. Weltman, Tony L. Phillips
  • Recovery and reuse of water-based cleaners
    Patent number: 5205937
    Abstract: The present invention provides a process for the ceramic filtration of contaminants from water-based cleaners by passing a feed solution of water-based cleaner and contaminants through a metal oxide membrane on ceramic support.
    Type: Grant
    Filed: April 30, 1992
    Date of Patent: April 27, 1993
    Assignee: U.S. Filter Membralox
    Inventors: Ramesh R. Bhave, Stephen P. Evans, III, Abraham S. Chen, Henry J. Weltman
  • Cleaning formulation and method that alleviates current problems
    Patent number: 5188754
    Abstract: Disclosed are formulations for producing chemical solvent admixtures that can be employed to clean a surface for further work; and that can be applied to cloths for the cleaning operation yet alleviate problems with solvent evaporation into the atmosphere to cause many legal and environmental problems, and a method of storing and disposing of cloths soaked with the formulation that alleviates current problems.
    Type: Grant
    Filed: August 9, 1991
    Date of Patent: February 23, 1993
    Assignee: General Dynamics Corporation
    Inventors: Henry J. Weltman, Tony L. Phillips
  • Castable magnetic particle flaw detection composition and method using constituents that are non-volatile and resistant to oxidation below 100.degree. F and having a viscosity less than 12,000 centipoises
    Patent number: 4121157
    Abstract: A method for forming and preserving a permanent record of inspections of workpieces or the like having drilled holes or other metallic surface conformations characterized by applying a castable, plural component, magnetically active material comprised of room temperature vulcanizing, or polymerizing, rubber containing magnetizable particles and specific sensitizing agents; magnetizing the area to be inspected, so as to cause migration of the particles in the rubber before the viscosity becomes too high for the magnetized particles to migrate to the situs of an imperfection, or flaw; forming a magnetic rubber inspection replica or record of the alignment of the magnetizable particles adjacent the interface between the casting and the workpiece by increasing the viscosity of the rubber above 4000 centipoises and to flexible elastic form so as to immobilize the particles; removing the magnetic rubber inspection record thus formed and inspecting for concentrations of the magnetizable particles to delineate flaws;
    Type: Grant
    Filed: July 5, 1977
    Date of Patent: October 17, 1978
    Assignee: General Dynamics Corporation
    Inventors: Henry J. Weltman, Mark T. Carroll, John E. Halkias, William T. Kaarlela, Jack D. Reynolds