Patents by Inventor Robert Edwin Carr

Robert Edwin Carr 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: 11926973
    Abstract: A scraper for use with a moldboard of a milling machine is manufactured from a rigid material including at least one of the following: a hardened steel having a hardness of at least 50 Rockwell Scale C, a carbide, and PCD diamonds.
    Type: Grant
    Filed: November 1, 2021
    Date of Patent: March 12, 2024
    Assignee: Caterpillar Paving Products Inc.
    Inventors: Paul Joseph Koenen, Robert Edwin Carr
  • Patent number: 11891762
    Abstract: Systems and methods can sense, using a vibration sensor disposed relative to a rotor of a milling machine, vibration associated with a cutting operation of the rotor of the milling machine; and determine during the cutting operation whether the sensed vibration associated with the cutting operation of the rotor indicates now that the rotor is cutting a second material different from a first material being previously cut by the rotor during the cutting operation. The second material can be harder than the first material. Cutting operations of the milling machine can be controlled based on identification of the rotor cutting the second material. The cutting operations can include speed of the milling machine, cutting level and/or depth of the rotor, and/or rotational speed of the rotor.
    Type: Grant
    Filed: December 7, 2021
    Date of Patent: February 6, 2024
    Assignee: Caterpillar Paving Products Inc.
    Inventors: Robert Edwin Carr, Paul J. Koenen, Gianfranco Perri, Nathan Louis Mashek
  • Patent number: 11845622
    Abstract: A milling machine may include a frame supported by a traction device, a milling drum for milling a surface and supported on the frame, and a conveyor for receiving milled material from the milling drum and conveying the milled material upward to a release point. The milling machine may include a sensor configured for monitoring loading of a truck by the milling machine and a controller in communication with the sensor to coordinate with the sensor and recognize when the truck is full.
    Type: Grant
    Filed: December 11, 2020
    Date of Patent: December 19, 2023
    Assignee: Caterpillar Paving Products Inc.
    Inventors: Robert Edwin Carr, Eric S. Engelmann, Keng Yew Anthony Low, Jacob Simmer, Conwell K. Rife, Jr.
  • Publication number: 20230175212
    Abstract: Systems and methods can sense, using a vibration sensor disposed relative to a rotor of a milling machine, vibration associated with a cutting operation of the rotor of the milling machine; and determine during the cutting operation whether the sensed vibration associated with the cutting operation of the rotor indicates now that the rotor is cutting a second material different from a first material being previously cut by the rotor during the cutting operation. The second material can be harder than the first material. Cutting operations of the milling machine can be controlled based on identification of the rotor cutting the second material. The cutting operations can include speed of the milling machine, cutting level and/or depth of the rotor, and/or rotational speed of the rotor.
    Type: Application
    Filed: December 7, 2021
    Publication date: June 8, 2023
    Applicant: Caterpillar Paving Products Inc.
    Inventors: Robert Edwin CARR, Paul J. KOENEN, Gianfranco PERRI, Nathan Louis MASHEK
  • Publication number: 20230138318
    Abstract: A scraper for use with a moldboard of a milling machine is manufactured from a rigid material including at least one of the following: a hardened steel having a hardness of at least 50 Rockwell Scale C, a carbide, and PCD diamonds.
    Type: Application
    Filed: November 1, 2021
    Publication date: May 4, 2023
    Applicant: Caterpillar Paving Products Inc.
    Inventors: Paul Joseph Koenen, Robert Edwin Carr
  • Publication number: 20220186446
    Abstract: A milling machine may include a frame supported by a traction device, a milling drum for milling a surface and supported on the frame, and a conveyor for receiving milled material from the milling drum and conveying the milled material upward to a release point. The milling machine may include a truck sensor configured for monitoring loading of a truck by the milling machine and a controller in communication with the truck sensor to coordinate with the truck sensor and recognize when the truck is full.
    Type: Application
    Filed: December 11, 2020
    Publication date: June 16, 2022
    Applicant: Caterpillar Paving Products Inc.
    Inventors: Robert Edwin Carr, Eric S. Engelmann, Keng Yew Anthony Low, Jacob Simmer, Conwell K. Rife, JR.
  • Publication number: 20100155314
    Abstract: A method to continuously inoculate (grow) microbial cultures on-site whereby a live culture of grease reducing microbes can be periodically injected directly into grease interceptors, grease traps and grease vaults. The system consists of a two tank system, one a isolated microbial storage tank (1) and two a inoculation tank (2). Microbial concentrate is periodically injected into the inoculation tank (2), filtered water is added and aerated (10) allowing the microbes to wake up into a vegetative state. Inoculation time is set for optimal growth and nutrition absorption time. The finished inoculated and vegetative microbial cultures are then injected into grease interceptors, grease traps and grease vaults containing a FOG (Fats, Oils and Grease). This process is continuously repeated to ensure viable microbial cultures for the bioremediation of FOG.
    Type: Application
    Filed: December 24, 2008
    Publication date: June 24, 2010
    Inventors: Markus Johannes Lenger, Robert Edwin Carr
  • Patent number: 7615156
    Abstract: A bioremediation device for liquid waste includes a medium for forming a microbial film and for exposing the microbial film to an effluent to decompose a first substance in the effluent and to produce a second substance from the decomposition of first substance. An aerator is coupled to the medium to supply the microbial film with oxygen and to accelerate the effluent around the microbial film.
    Type: Grant
    Filed: July 18, 2007
    Date of Patent: November 10, 2009
    Inventors: Markus Johannes Lenger, Robert Edwin Carr