Patents by Inventor Larry Weidman

Larry Weidman 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: 8637590
    Abstract: A protective coating applied to the underwater portion of a marine vessel operable to inhibit the growth of marine foulants. The coating comprises a polymer, a marine biocide, a preservative, an antimicrobial agent, and optionally a coloring agent. In certain embodiments, the marine biocide, preservative, and optional antimicrobial agent are chemically bonded with the polymer thereby significantly reducing the ability of the biocide, preservative, and antimicrobial agent to leach from the coating into the surrounding environment.
    Type: Grant
    Filed: October 19, 2010
    Date of Patent: January 28, 2014
    Inventor: Larry Weidman
  • Patent number: 8329261
    Abstract: A protective coating applied to the underwater portion of a marine vessel operable to inhibit the growth of marine foulants. The coating comprises a polymer, a marine biocide, a preservative, and optionally an antimicrobial agent. In certain embodiments, the marine biocide, preservative, and optional antimicrobial agent are chemically bonded with the polymer thereby significantly reducing the ability of the biocide, preservative, and antimicrobial agent to leach from the coating into the surrounding environment.
    Type: Grant
    Filed: March 16, 2010
    Date of Patent: December 11, 2012
    Inventor: Larry Weidman
  • Publication number: 20120094032
    Abstract: A protective coating applied to the underwater portion of a marine vessel operable to inhibit the growth of marine foulants. The coating comprises a polymer, a marine biocide, a preservative, an antimicrobial agent, and optionally a coloring agent. In certain embodiments, the marine biocide, preservative, and optional antimicrobial agent are chemically bonded with the polymer thereby significantly reducing the ability of the biocide, preservative, and antimicrobial agent to leach from the coating into the surrounding environment.
    Type: Application
    Filed: October 19, 2010
    Publication date: April 19, 2012
    Inventor: Larry Weidman
  • Patent number: 8030592
    Abstract: A plasma spray apparatus in the form of a gun is utilized to apply an antifoulant coating to marine vessels. The apparatus includes a plasma generator, an electrophoresis element, a heating element, a shield gas element, a liquid cooling system, a forced air system, and a vacuum system. The plasma generator ionizes gas to create a plasma stream, which is utilized in part to supply energy to the heating element that heats a powder material. The heated powder material is exposed to the electrophoresis element to create a covalently bonded coating material. The coating material is injected into the plasma stream and is applied to a target surface. The shield gas element injects a gas flow to surround and protect the plasma and coating material stream as the stream is in flight to the target surface. The liquid cooling system cools portions of the plasma generator and heating element. The forced air system cools a portion of the target surface as the coating material is being applied.
    Type: Grant
    Filed: June 6, 2007
    Date of Patent: October 4, 2011
    Assignee: Reintjes Marine Surface Technologies, LLC
    Inventor: Larry Weidman
  • Patent number: 7910648
    Abstract: A protective coating applied to the underwater portion of a marine vessel operable to inhibit the growth of marine foulants. The coating comprises a polymer, a marine biocide, a preservative, and optionally an antimicrobial agent. In certain embodiments, the marine biocide, preservative, and optional antimicrobial agent are chemically bonded with the polymer thereby significantly reducing the ability of the biocide, preservative, and antimicrobial agent to leach from the coating into the surrounding environment.
    Type: Grant
    Filed: July 16, 2007
    Date of Patent: March 22, 2011
    Assignee: Reintjes Marine Surface Technologies, LLC
    Inventor: Larry Weidman
  • Publication number: 20100173097
    Abstract: A protective coating applied to the underwater portion of a marine vessel operable to inhibit the growth of marine foulants. The coating comprises a polymer, a marine biocide, a preservative, and optionally an antimicrobial agent. In certain embodiments, the marine biocide, preservative, and optional antimicrobial agent are chemically bonded with the polymer thereby significantly reducing the ability of the biocide, preservative, and antimicrobial agent to leach from the coating into the surrounding environment.
    Type: Application
    Filed: March 16, 2010
    Publication date: July 8, 2010
    Inventor: Larry Weidman
  • Publication number: 20100015349
    Abstract: A protective coating applied to the underwater portion of a marine vessel operable to inhibit the growth of marine foulants. The coating comprises a polymer, a marine biocide, a preservative, a coloring agent, and optionally an antimicrobial agent. In certain embodiments, the marine biocide, preservative, the coloring agent, and optional antimicrobial agent are chemically bonded with the polymer thereby significantly reducing the ability of the biocide, preservative, the coloring agent, and antimicrobial agent to leach from the coating into the surrounding environment.
    Type: Application
    Filed: September 22, 2009
    Publication date: January 21, 2010
    Inventor: Larry Weidman
  • Publication number: 20100009090
    Abstract: A protective coating applied to the underwater portion of a marine vessel operable to inhibit the growth of marine foulants. The coating comprises a polymer, a marine biocide, a preservative, and optionally an antimicrobial agent. In certain embodiments, the marine biocide, preservative, and optional antimicrobial agent are chemically bonded with the polymer thereby significantly reducing the ability of the biocide, preservative, and antimicrobial agent to leach from the coating into the surrounding environment.
    Type: Application
    Filed: September 22, 2009
    Publication date: January 14, 2010
    Inventor: Larry Weidman
  • Publication number: 20090022899
    Abstract: A protective coating applied to the underwater portion of a marine vessel operable to inhibit the growth of marine foulants. The coating comprises a polymer, a marine biocide, a preservative, and optionally an antimicrobial agent. In certain embodiments, the marine biocide, preservative, and optional antimicrobial agent are chemically bonded with the polymer thereby significantly reducing the ability of the biocide, preservative, and antimicrobial agent to leach from the coating into the surrounding environment.
    Type: Application
    Filed: July 16, 2007
    Publication date: January 22, 2009
    Inventor: Larry Weidman
  • Publication number: 20080116178
    Abstract: A plasma spray apparatus in the form of a gun is utilized to apply an antifoulant coating to marine vessels. The apparatus includes a plasma generator, an electrophoresis element, a heating element, a shield gas element, a liquid cooling system, a forced air system, and a vacuum system. The plasma generator ionizes gas to create a plasma stream, which is utilized in part to supply energy to the heating element that heats a powder material. The heated powder material is exposed to the electrophoresis element to create a covalently bonded coating material. The coating material is injected into the plasma stream and is applied to a target surface. The shield gas element injects a gas flow to surround and protect the plasma and coating material stream as the stream is in flight to the target surface. The liquid cooling system cools portions of the plasma generator and heating element. The forced air system cools a portion of the target surface as the coating material is being applied.
    Type: Application
    Filed: June 6, 2007
    Publication date: May 22, 2008
    Inventor: Larry Weidman
  • Publication number: 20050048218
    Abstract: Corrosion resistant non-polar polymer coatings and methods for applying the coatings to substrates are described, wherein a source of non-polar polymer powder is deposited as a coating onto the surface of a substrate by high temperature thermal spray. The non-polar character of the powder and any additives thereto is substantially preserved during the high temperature thermal spray process by the use, at one or more locations along the thermal spray route, of at least one non-oxidizing shielding gas, at least one reducing gas, or a combination of the two types of gases to displace or react with ambient oxygen. High velocity impact force (HVIF) spraying techniques are preferred. Similarly processes and materials for low permeability and non-corrosive HVIF coatings for steel fuel tanks are disclosed.
    Type: Application
    Filed: August 29, 2003
    Publication date: March 3, 2005
    Inventor: Larry Weidman