Patents by Inventor Paul Gerhard Thomas

Paul Gerhard Thomas 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).

  • Spray extraction nozzle for taking in liquids from a surface
    Patent number: 7870639
    Abstract: A spray extraction nozzle for taking in liquids which have been applied to a surface includes a suction duct which ends in a suction mouth, and a spray nozzle, as well as an adapter for working on surfaces which have different properties. The adapter is connected to the spray extraction nozzle through a pivot axis, and the adapter can be pivoted from a position of rest which is remote from the suction mouth to a position of operation in front of the suction mouth of the spray extraction nozzle.
    Type: Grant
    Filed: June 28, 2007
    Date of Patent: January 18, 2011
    Assignee: Robert Thomas Metall - und Elektrowerke GmbH & Co. KG
    Inventor: Paul Gerhard Thomas
  • Spray extraction nozzle for taking in liquids from a surface
    Publication number: 20080016642
    Abstract: A spray extraction nozzle for taking in liquids which have been applied to a surface includes a suction duct which ends in a suction mouth, and a spray nozzle, as well as an adapter for working on surfaces which have different properties. The adapter is connected to the spray extraction nozzle through a pivot axis, and the adapter can be pivoted from a position of rest which is remote from the suction mouth to a position of operation in front of the suction mouth of the spray extraction nozzle.
    Type: Application
    Filed: June 28, 2007
    Publication date: January 24, 2008
    Inventor: Paul Gerhard Thomas
  • Battery-operated hand vacuum cleaner with liquid spray
    Patent number: 5970572
    Abstract: A battery-operated hand vacuum cleaner includes a drive part which has a housing, wherein a handle is integrally formed onto the housing and the housing contains an electric motor for a blower, and an intake part with an air inlet, wherein the intake part is separable from the drive part. The drive part contains a tank for containing a liquid, the intake part is provided with a spray nozzle for the liquid, and separable means connecting the tank and the spray nozzle are provided for discharging the liquid.
    Type: Grant
    Filed: December 10, 1997
    Date of Patent: October 26, 1999
    Assignee: Robert Thomas Metall- und Elektrowerke
    Inventor: Paul-Gerhard Thomas
  • Vacuum cleaner
    Patent number: 5613271
    Abstract: A vacuum cleaner with a steam generator and a source of water under pressure has a suction hose connecting the suction head with the turbine and a dirt collector. Steam and pressurized water lines extend along the hose and the steam line runs to an orifice strip in a sole plate of the head while the spray nozzles are provided in a slot between a pair of brushes. The suction nozzle opens at a slot in the sole plate and sealing strips are provided along the longitudinal sides of the suction nozzle and the steam nozzle strip.
    Type: Grant
    Filed: October 17, 1995
    Date of Patent: March 25, 1997
    Assignee: Robert Thomas Metall- und Elektrowerke
    Inventor: Paul-Gerhard Thomas