Patents by Inventor Michael W. Pfeiffer

Michael W. Pfeiffer 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: 20250100637
    Abstract: A saddle clamp assembly includes a lower cradle, an upper cradle supported by the lower cradle, and a left pivot block and a right pivot block each independently, rotatably coupled with the lower cradle, the left pivot block and the upper cradle, and the right pivot block and the upper cradle to secure a left saddle rail and a right saddle rail, respectively, of a saddle for a bicycle therebetween.
    Type: Application
    Filed: September 20, 2024
    Publication date: March 27, 2025
    Applicant: Wolf Tooth Components, LLC
    Inventors: Michael W. Pfeiffer, Robert Brown
  • Publication number: 20250099882
    Abstract: An air filter assembly for a height adjustment seat post including a lower tube and an upper tube telescopically supported within the lower tube includes a lower cap within an end of the lower tube of the height adjustment seat post, a filter within the end of the lower tube, and a filter retainer to retain the filter within the end of the lower tube, the filter to filter air expelled or ingested through the end of the lower tube through the lower cap.
    Type: Application
    Filed: September 23, 2024
    Publication date: March 27, 2025
    Applicant: Wolf Tooth Components, LLC
    Inventors: Michael W. Pfeiffer, Robert Brown
  • Publication number: 20250102071
    Abstract: A pressure relief valve for a height adjustment seat post including a lower housing, a stanchion telescopically supported within the lower housing, and a cartridge including a piston rod driven by a piston to telescopically adjust the stanchion relative to the lower housing includes a pressure relief port in the piston of the height adjustment seat post, a pressure relief valve ball, and a pressure relief valve spring to bias the pressure relief valve ball to a closed position to close the pressure relief port.
    Type: Application
    Filed: September 23, 2024
    Publication date: March 27, 2025
    Applicant: Wolf Tooth Components, LLC
    Inventor: Michael W. Pfeiffer
  • Patent number: 11833654
    Abstract: A multi-tool system includes a multi-tool sleeve assembly including a storage sleeve and an end cap to be inserted into an open end of the storage sleeve, with one of a bit driver multi-tool or a chain break multi-tool to be stored in the storage sleeve of the multi-tool sleeve assembly.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: December 5, 2023
    Assignee: Wolf Tooth Components, LLC
    Inventors: Michael W. Pfeiffer, Anthony C. Bacon, Jonathan E. Rosemeier, Jack W. Hinkens
  • Patent number: 11787491
    Abstract: A control device includes an actuation lever, a bearing mounted in the actuation lever, an axle extended through the bearing, and a base supported by the axle, whereby the actuation lever is rotatably coupled with the base, via the bearing and the axle, for rotation relative to the base.
    Type: Grant
    Filed: January 31, 2022
    Date of Patent: October 17, 2023
    Assignee: Wolf Tooth Components, LLC
    Inventor: Michael W. Pfeiffer
  • Patent number: 11623329
    Abstract: A multi-tool includes a pair of plates having respective handle portions, joint portions, and head portions, and the plates pivotally connected to each other at the joint portions and having respective opposite edges extended along the handle portions. At least one of the plates is to be pivoted relative to the other of the plates to establish an open position and a closed position of the plates, and, in the closed position of the plates, the plates to overlap each other and the opposite edges of the handle portions of the plates to be substantially aligned.
    Type: Grant
    Filed: March 12, 2019
    Date of Patent: April 11, 2023
    Assignee: Wolf Tooth Components, LLC
    Inventors: Daniel D. Dittmer, Jack W. Hinkens, Jonathan E. Rosemeier, Michael W. Pfeiffer
  • Publication number: 20230072405
    Abstract: A multi-tool includes a pair of plates having respective handle portions, joint portions, and head portions, with the plates pivotally connected to each other at the joint portions, and to be pivoted relative to each other to establish an open position and a closed position of the plates. A bit holder is extended from an end of one of the plates, with the bit holder including a socket to receive an insert bit, the handle portion of the one of the plates including a storage area to receive and store the insert bit, and, in the closed position of the plates, the plates to overlap each other with the handle portion of the other of the plates to cover the storage area and the handle portion of the one of the plates.
    Type: Application
    Filed: November 17, 2022
    Publication date: March 9, 2023
    Applicant: Wolf Tooth Components, LLC
    Inventor: Michael W. PFEIFFER
  • Patent number: 11554475
    Abstract: A multi-tool includes a cylindrical body and a head extended from an end of the cylindrical body, the head to be pivoted between a first position with the head aligned with the cylindrical body and a second position with the head oriented at an angle to the cylindrical body, the head including a cradle to support a segment of a roller chain.
    Type: Grant
    Filed: December 28, 2020
    Date of Patent: January 17, 2023
    Assignee: Wolf Tooth Components, LLC
    Inventors: Anthony C. Bacon, Jonathan E. Rosemeier, Michael W. Pfeiffer
  • Publication number: 20220242510
    Abstract: A control device includes an actuation lever, a bearing mounted in the actuation lever, an axle extended through the bearing, and a base supported by the axle, whereby the actuation lever is rotatably coupled with the base, via the bearing and the axle, for rotation relative to the base.
    Type: Application
    Filed: January 31, 2022
    Publication date: August 4, 2022
    Applicant: Wolf Tooth Components, LLC
    Inventor: Michael W. Pfeiffer
  • Publication number: 20210197348
    Abstract: A multi-tool includes a cylindrical body and a head extended from an end of the cylindrical body, the head to be pivoted between a first position with the head aligned with the cylindrical body and a second position with the head oriented at an angle to the cylindrical body, the head including a cradle to support a segment of a roller chain.
    Type: Application
    Filed: December 28, 2020
    Publication date: July 1, 2021
    Inventors: Anthony C. Bacon, Jonathan E. Rosemeier, Michael W. Pfeiffer
  • Publication number: 20210197920
    Abstract: A multi-tool sleeve assembly includes a storage sleeve and a bar end cap to be inserted into an open end of the storage sleeve.
    Type: Application
    Filed: December 28, 2020
    Publication date: July 1, 2021
    Inventors: Anthony C. Bacon, Michael W. Pfeiffer, Jack W. Hinkens, Jonathan E. Rosemeier
  • Publication number: 20210197354
    Abstract: A multi-tool includes a cylindrical body and a head extended from an end of the cylindrical body, the head to be pivoted between a first position with the head aligned with the cylindrical body and a second position with the head oriented at an angle to the cylindrical body, the head including a socket to receive an insert bit, the cylindrical body including a cavity to store the insert bit.
    Type: Application
    Filed: December 28, 2020
    Publication date: July 1, 2021
    Inventors: Michael W. Pfeiffer, Jack W. Hinkens, Jonathan E. Rosemeier
  • Publication number: 20210197353
    Abstract: A multi-tool system includes a multi-tool sleeve assembly including a storage sleeve and an end cap to be inserted into an open end of the storage sleeve, with one of a bit driver multi-tool or a chain break multi-tool to be stored in the storage sleeve of the multi-tool sleeve assembly.
    Type: Application
    Filed: December 28, 2020
    Publication date: July 1, 2021
    Inventors: Michael W. Pfeiffer, Anthony C. Bacon, Jonathan E. Rosemeier, Jack W. Hinkens
  • Patent number: D886564
    Type: Grant
    Filed: March 12, 2018
    Date of Patent: June 9, 2020
    Assignee: Wolf Tooth Components, LLC
    Inventors: Daniel D. Dittmer, Jack W. Hinkens, Jonathan E. Rosemeier, Michael W. Pfeiffer
  • Patent number: D886565
    Type: Grant
    Filed: April 27, 2018
    Date of Patent: June 9, 2020
    Assignee: Wolf Tooth Components, LLC
    Inventors: Jack W. Hinkens, Michael W. Pfeiffer
  • Patent number: D919485
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: May 18, 2021
    Assignee: Wolf Tooth Components, LLC
    Inventors: Michael W. Pfeiffer, Anthony C. Bacon, Jonathan E. Rosemeier
  • Patent number: D922844
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: June 22, 2021
    Assignee: Wolf Tooth Components, LLC
    Inventors: Anthony C. Bacon, Michael W. Pfeiffer, Jack W. Hinkens
  • Patent number: D927954
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: August 17, 2021
    Assignee: Wolf Tooth Components, LLC
    Inventor: Michael W. Pfeiffer
  • Patent number: D935295
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: November 9, 2021
    Assignee: Wolf Tooth Components, LLC
    Inventors: Anthony C. Bacon, Jonathan E. Rosemeier, Michael W. Pfeiffer
  • Patent number: D940526
    Type: Grant
    Filed: December 26, 2019
    Date of Patent: January 11, 2022
    Assignee: Wolf Tooth Components, LLC
    Inventors: Michael W. Pfeiffer, Jack W. Hinkens, Jonathan E. Rosemeier