Patents by Inventor Thomas Bletscher

Thomas Bletscher 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: 10214087
    Abstract: A ground processing machine includes a rear carriage with an internal combustion engine, respectively at least one drive wheel to both sides of the internal combustion engine, a driver cabin arranged offset relative to the internal combustion engine in the longitudinal direction of the machine, a fuel tank for fuel to be supplied to the internal combustion engine, an additive substance tank, and a hydraulic fluid tank. The additive substance tank is arranged following a drive wheel in the longitudinal machine direction, and next to the drive wheel in a transversal machine direction.
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: February 26, 2019
    Assignee: Hamm AG
    Inventors: Thomas Bletscher, Gerd Koestler, Martin Fischer, Michael Zimmerer, Thomas Bauer
  • Patent number: 9915040
    Abstract: Soil compactor including a compaction drum rotatably supported by a compaction roller frame, wherein the compaction drum frame comprises two longitudinal members arranged in a direction longitudinal to the compactor on both sides of the compaction roller and supporting said compaction roller, and, connecting the two longitudinal members together, two cross members arranged in a direction perpendicular to the compactor and along both sides of the compaction roller, wherein the compaction roller frame is connected to a compactor main frame via one of the two cross members, and wherein at least one sight opening is provided within the other of the two cross members.
    Type: Grant
    Filed: April 18, 2017
    Date of Patent: March 13, 2018
    Assignee: Hamm AG
    Inventors: Thomas Bletscher, Gerd Köstler, Axel Römer
  • Patent number: 9822736
    Abstract: A self-propelled construction device, in particular a soil compactor, includes a turbocharged diesel engine with a first radiator arrangement for cooling charge air and a second radiator arrangement for cooling a cooling liquid and/or hydraulic oil, with a first radiator fan being allocated to the first radiator arrangement and a second radiator fan being allocated to the second radiator arrangement and the first radiator fan and the second radiator fan being able to be operated essentially independently from each other.
    Type: Grant
    Filed: March 7, 2012
    Date of Patent: November 21, 2017
    Assignee: HAMM AG
    Inventors: Andreas Roehr, Thomas Bletscher, Michael Zimmerer
  • Publication number: 20170306571
    Abstract: Soil compactor including a compaction drum rotatably supported by a compaction roller frame, wherein the compaction drum frame comprises two longitudinal members arranged in a direction longitudinal to the compactor on both sides of the compaction roller and supporting said compaction roller, and, connecting the two longitudinal members together, two cross members arranged in a direction perpendicular to the compactor and along both sides of the compaction roller, wherein the compaction roller frame is connected to a compactor main frame via one of the two cross members, and wherein at least one sight opening is provided within the other of the two cross members.
    Type: Application
    Filed: April 18, 2017
    Publication date: October 26, 2017
    Inventors: Thomas Bletscher, Gerd Köstler, Axel Römer
  • Patent number: 9670628
    Abstract: A ground preparation machine, in particular a compactor, comprises at least one roller (16) rotatable around an axis of rotation of the roller (A) and, attached to the at least one roller (16), at least one scraper device (36, 38) for scraping off material adhering to the outer peripheral region (26) of the roller (16), wherein the scraper device (36, 38) comprises a scraper bar (40) extending along the roller (16), the scraper bar (40) being designed to provide a first scraper region (58) for scraping off material from a roller having an essentially untextured outer peripheral region (26) and to provide a second scraper region (66) for scraping off material from a roller having a textured outer peripheral region (26).
    Type: Grant
    Filed: December 16, 2015
    Date of Patent: June 6, 2017
    Assignee: Hamm AG
    Inventors: Thomas Bletscher, Gerd Koestler
  • Publication number: 20160176278
    Abstract: A ground processing machine, in particular compactor, comprises a rear carriage (14) with an internal combustion engine (26), respectively at least one drive wheel (20) to both sides of the internal combustion engine (26), a driver cabin (22) arranged offset relative to the internal combustion engine (26) in the longitudinal direction of the machine (L), a fuel tank (28) for fuel to be supplied to the internal combustion engine (26), an additive substance tank (30), a hydraulic fluid tank (32), wherein the additive substance tank (30) is arranged following a drive wheel (20) in the longitudinal machine direction (L), and essentially next to the drive wheel (20) in a transversal machine direction.
    Type: Application
    Filed: December 16, 2015
    Publication date: June 23, 2016
    Inventors: Thomas Bletscher, Gerd Koestler, Martin Fischer, Michael Zimmerer, Thomas Bauer
  • Publication number: 20160177518
    Abstract: A ground preparation machine, in particular a compactor, comprises at least one roller (16) rotatable around an axis of rotation of the roller (A) and, attached to the at least one roller (16), at least one scraper device (36, 38) for scraping off material adhering to the outer peripheral region (26) of the roller (16), wherein the scraper device (36, 38) comprises a scraper bar (40) extending along the roller (16), the scraper bar (40) being designed to provide a first scraper region (58) for scraping off material from a roller having an essentially untextured outer peripheral region (26) and to provide a second scraper region (66) for scraping off material from a roller having a textured outer peripheral region (26).
    Type: Application
    Filed: December 16, 2015
    Publication date: June 23, 2016
    Inventors: Thomas Bletscher, Gerd Koestler
  • Publication number: 20130305717
    Abstract: A self-propelled construction device, in particular a soil compactor, includes a turbocharged diesel engine with a first radiator arrangement for cooling charge air and a second radiator arrangement for cooling a cooling liquid and/or hydraulic oil, with a first radiator fan being allocated to the first radiator arrangement and a second radiator fan being allocated to the second radiator arrangement and the first radiator fan and the second radiator fan being able to be operated essentially independently from each other.
    Type: Application
    Filed: March 7, 2012
    Publication date: November 21, 2013
    Applicant: HAMM AG
    Inventors: Andreas Roehr, Thomas Bletscher, Michael Zimmerer