Patents by Inventor Ralf Jurgens

Ralf Jurgens 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).

  • Publication number: 20200263580
    Abstract: A method and a device intended to purify pollutants from an exhaust gas flow of an internal combustion engine operated with sulphur containing fuel, in particular of a ship internal combustion engine operated with heavy fuel oil, are provided. Exhaust gas flow is in contact with a solid adsorption agent of the adsorber in a first step and binding in particular acid pollutants, which comprise sulphur dioxide and sulphur trioxide. The exhaust gas flow is then guided by a second stage of the adsorber realising fine purification of the exhaust gas flow. The adsorption agent of the second stage is used in the first stage as an adsorption agent.
    Type: Application
    Filed: February 13, 2020
    Publication date: August 20, 2020
    Inventor: Ralf Jürgens
  • Publication number: 20150096139
    Abstract: A cleaning implement such that it is usable universally for differently configured cleaning means, and also for fastening a glove that is known per se, includes a handle and a holder. The holder is configured for releasably fastening a cleaning means, wherein the cleaning means is fastened to the holder by means of a clamping connection. The holder has two clamping jaws, between which the cleaning means is at least regionally clampable.
    Type: Application
    Filed: September 29, 2014
    Publication date: April 9, 2015
    Inventors: Ralf Jürgens, Markus Dietz
  • Patent number: 8122557
    Abstract: The invention relates to a broom body (1) having, on its underside facing the surface to be cleaned, at least two cleaning bodies (3, 4) made of different materials. One cleaning body (3) is forted by a foam material body (5), which is non-positively and/or positively joined to the broom body (1). This foam material body (1) can be inserted into the broom body (1) in a manner that is perpendicular to the longitudinal axis (6) of the broom body (1), and the foam material body (5) has at least one fastening means (7) for positively fastening it to the broom body.
    Type: Grant
    Filed: March 31, 2006
    Date of Patent: February 28, 2012
    Assignee: Carl Freudenberg KG
    Inventors: Peter L. Arnold, Ralf Jürgens
  • Publication number: 20110162983
    Abstract: A cleaning system is described that comprises a cleaning utensil (4) featuring a handle (6) and a cleaning head (5) as well as at least one device for cleaning the cleaning utensil with a cleansing fluid, especially after use. According to the invention, the facility for cleaning the cleaning utensil with a cleansing fluid comprises an aerosol spray container (15) with an aerosol spray.
    Type: Application
    Filed: May 8, 2007
    Publication date: July 7, 2011
    Applicant: CARL FREUDENBERG KG
    Inventors: Norbert Weis, Ralf Jurgens, David McKnight
  • Publication number: 20100314272
    Abstract: A description is provided of a cleaning container (1) for a cleaning apparatus (4) that presents a handle (6) and a cleaning head (5), particularly for a toilet brush, where the cleaning container (1) comprises a main chamber (3) for the cleaning and the storage of the cleaning apparatus (4) as well as a secondary chamber (13) that is connected to the main chamber (3) via a passage opening (16), with a device for supplying the cleaning apparatus (4) in the main chamber (3) with a cleaning fluid. To ensure a clean and simple handling, particularly during the draining and cleaning of the cleaning container (1), the invention provides for the main chamber (3) and the secondary chamber (13) to be designed as separate container elements (2, 12) that are connected to each other detachably.
    Type: Application
    Filed: September 14, 2007
    Publication date: December 16, 2010
    Applicant: CARL FREUDENBERG KG
    Inventors: Ralf Jurgens, David Mcknight, Norbert Weis
  • Publication number: 20080189890
    Abstract: The invention relates to a broom body (1) having, on its underside facing the surface to be cleaned, at least two cleaning bodies (3, 4) made of different materials. One cleaning body (3) is forted by a foam material body (5), which is non-positively and/or positively joined to the broom body (1). This foam material body (1) can be inserted into the broom body (1) in a manner that is perpendicular to the longitudinal axis (6) of the broom body (1), and the foam material body (5) has at least one fastening means (7) for positively fastening it to the broom body.
    Type: Application
    Filed: March 31, 2006
    Publication date: August 14, 2008
    Applicant: Carl Freudenberg KG
    Inventors: Peter L. Arnold, Ralf Jurgens
  • Patent number: 6988291
    Abstract: A cleaning implement for damp cleaning of surfaces using mopping water includes a first plastic element which indicates the temperature of the mopping water by a reversible change in its color upon contact with the mopping water.
    Type: Grant
    Filed: August 9, 2002
    Date of Patent: January 24, 2006
    Assignee: Carl Freudenberg KG
    Inventors: Ralf Jürgens, Helmut Hofmeister
  • Publication number: 20030204926
    Abstract: An operating handle (1) for devices, particularly for cleaning devices, such as wiping devices, mops, brooms, or the like. The operating handle (1) has at least a first and a second tubular handle element (2, 2′) which are able to be joined to one another. The tubular handle elements (2, 2′) form a hollow space (5). A connecting link (4, 4′) is provided for connecting the first and the second handle element (2, 2′). The connecting link (4, 4′) extends at least partially into the hollow space (5) formed by the handle elements (2, 2′). A first connecting segment (6) and a second connecting segment (7) are provided. The first connecting segment (6) is designed to connect to the first handle element (2), and the second connecting segment (7) is designed to connect to the second handle element (2′).
    Type: Application
    Filed: January 29, 2001
    Publication date: November 6, 2003
    Inventors: Ralf Jurgens, Uwe Dingert, Joerg Dunkel, Richard Schilling, Hans-Jurgen Wendelken
  • Publication number: 20030031228
    Abstract: A cleaning implement for damp cleaning of surfaces using mopping water includes a first plastic element which indicates the temperature of the mopping water by a reversible change in its color upon contact with the mopping water.
    Type: Application
    Filed: August 9, 2002
    Publication date: February 13, 2003
    Inventors: Ralf Jurgens, Helmut Hofmeister
  • Patent number: 5774929
    Abstract: A wringing device for a wet mop head of a mop head carrier, wherein the wringing device comprises an elastically prestressed, resilient base element and two wringing rollers that are mounted on the base element, the wringing rollers adapted to rotate parallel to one another and arranged to move away from each other in parallel fashion counter to the elastic prestress force in the base element.
    Type: Grant
    Filed: July 25, 1996
    Date of Patent: July 7, 1998
    Assignee: Firma Carl Freudenberg
    Inventors: Ralf Jurgens, Uwe Dingert
  • Patent number: D518262
    Type: Grant
    Filed: October 5, 2004
    Date of Patent: March 28, 2006
    Assignee: Carl Freudenberg KG
    Inventor: Ralf Jürgens