Patents by Inventor Lawrence Robert Grzyll

Lawrence Robert Grzyll 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).

  • Fire extinguishing methods and blends utilizing unsaturated perfluorocarbons
    Publication number: 20010032960
    Abstract: Unsaturated C3 and C4 perfluorocarbons are used to extinguish fires. These compounds have been found to extinguish fires as effectively as Halons with similar volatility, residue levels, materials compatibility and safety but with enhanced environmental acceptability.
    Type: Application
    Filed: February 9, 2000
    Publication date: October 25, 2001
    Inventors: Lawrence Robert Grzyll, Dwight Douglas Back, Charlie Ramos, Nidal Abdul Samad
  • Method for removal of acid from compressor oil
    Patent number: 5770048
    Abstract: An alcohol, specifically ethanol, methanol and isopropanol, is used to remove acid from a refrigeration system, a heat pump or an air conditioner. The alcohol vaporizes acid, primarily inorganic acid, in the system and, in the filter/dryer, reacts with surfaces or is adsorbed. The alcohol, the quantity of which is determined from the capacity of the filter/dryer, is introduced into the compressor oil sump for thorough mixing with the oil during compressor lubrication.
    Type: Grant
    Filed: August 24, 1995
    Date of Patent: June 23, 1998
    Assignee: Mainstream Engineering Corporation
    Inventors: Robert Peter Scaringe, Nidal Abdul Samad, Lawrence Robert Grzyll