Patents by Inventor Lawrence A. Sweet

Lawrence A. Sweet 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).

  • Safety and convenience system for a gas grill
    Patent number: 10323846
    Abstract: The present disclosure introduces a safety and convenience system for a gas grill. The disclosed system can have a grill assembly, a sensor assembly, and a system controller. The grill assembly can include a grill body, a grill lid, a grilling surface, one or more burners, a gas feed line, a grill adjustment valve, and an igniter. The sensor assembly may include gas sensors, temperature sensors, and these sensors can reside in a single or multiple sensor housings. The system controller can be connected to the sensors and receive a gas sensor value and a temperature sensor value. Based on the gas sensor value and the temperature sensor value, the system controller can be able to indicating a condition of the grill to a user, or control a feature of the grill for convenience or safety.
    Type: Grant
    Filed: February 5, 2016
    Date of Patent: June 18, 2019
    Inventors: William Lawrence Sweet, Scott Michael Schroer, Alexander Donald Roe
  • SAFETY AND CONVENIENCE SYSTEM FOR A GAS GRILL
    Publication number: 20160230992
    Abstract: The present disclosure introduces a safety and convenience system for a gas grill. The disclosed system can have a grill assembly, a sensor assembly, and a system controller. The grill assembly can include a grill body, a grill lid, a grilling surface, one or more burners, a gas feed line, a grill adjustment valve, and an igniter. The sensor assembly may include gas sensors, temperature sensors, and these sensors can reside in a single or multiple sensor housings. The system controller can be connected to the sensors and receive a gas sensor value and a temperature sensor value. Based on the gas sensor value and the temperature sensor value, the system controller can be able to indicating a condition of the grill to a user, or control a feature of the grill for convenience or safety.
    Type: Application
    Filed: February 5, 2016
    Publication date: August 11, 2016
    Inventors: William Lawrence Sweet, Scott Michael Schroer, Alexander Donald Roe
  • Muffler
    Patent number: 4109749
    Abstract: A noise attenuator or muffler for a compressed air tube type heater is disclosed. The muffler exhaust air through exit apertures located about its periphery and due to its unique design substantially avoids the formation of ice in the muffler.
    Type: Grant
    Filed: November 9, 1976
    Date of Patent: August 29, 1978
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Lawrence A. Sweet
  • Softcap respirator hood
    Patent number: D249168
    Type: Grant
    Filed: July 7, 1976
    Date of Patent: August 29, 1978
    Assignee: Minnesota Mining & Manufacturing Company
    Inventor: Lawrence A. Sweet
  • Hardhat respirator hood
    Patent number: D261942
    Type: Grant
    Filed: April 9, 1979
    Date of Patent: November 17, 1981
    Assignee: Minnesota Mining and Manufacturing Company
    Inventor: Lawrence A. Sweet