Patents by Inventor John C. LANGENFELD

John C. LANGENFELD 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: 20240115804
    Abstract: A pump for pumping fluid includes a tube platen, a plunger, a bias member, inlet and outlet valves, an actuator mechanism, a position sensor, and a processor. The plunger is configured for actuation toward and away from the infusion-tube when the tube platen is disposed opposite to the plunger. The tube platen can hold an intravenous infusion tube. The bias member is configured to urge the plunger toward the tube platen.
    Type: Application
    Filed: October 10, 2023
    Publication date: April 11, 2024
    Inventors: Dean KAMEN, John M. Kerwin, Colin H. Murphy, Jonathan Parker, Daniel F. Pawlowski, Dirk A. Van Der Merwe, Larry B. Gray, Christopher C. Langenfeld, Michael S Place, Michael J. Slate
  • Patent number: 11939566
    Abstract: A system and method for growing and maintaining biological material including producing a protein associated with the tissue, selecting cells associated with the tissue, expanding the cells, creating at least one tissue bio-ink including the expanded cells, printing the at least one tissue bio-ink in at least one tissue growth medium mixture, growing the tissue from the printed at least one tissue bio-ink, and maintaining viability of the tissue.
    Type: Grant
    Filed: September 2, 2021
    Date of Patent: March 26, 2024
    Assignee: DEKA Products Limited Partnership
    Inventors: Christopher C. Langenfeld, David D. B. Cannan, Dirk A. van der Merwe, Dean Kamen, Jason A. Demers, Frederick Morgan, Timothy D. Moreau, Brian D. Tracey, Matthew Ware, Richard J. Lanigan, Michael A. Baker, David Blumberg, Jr., Richard E. Gautney, Derek G. Kane, Dane Fawkes, Thomas J. Bollenbach, Michael C. Tilley, Stuart A. Jacobson, John F. Mannisto
  • Publication number: 20230001956
    Abstract: A deployment mechanism and a delivery container enabling unattended delivery of cargo by a vehicle navigating autonomously on both vehicle lanes and pedestrian ways. A trailer for an autonomous vehicle for hauling additional cargo and power supplies. A method for delivering and picking up goods using delivery trucks, autonomous vehicles, and trailers. The deployment mechanism can include a crane, a robot arm, a forklift, straps, and sails. The delivery container can include visible, partly visible, or hidden security features and grasping features, and can be foldable and stackable. The trailer can include a 4-bar linkage, the 4-bar linkage enabling consistent pitch between the trailer cargo and a cargo hold of the towing vehicle. The trailer wheels are decoupled from the 4-bar linkage, connected by swing arms and possible shock absorbers. The trailer can buffer fore/aft movement of the trailer.
    Type: Application
    Filed: June 30, 2022
    Publication date: January 5, 2023
    Inventors: Christopher C. LANGENFELD, Justin M. WHITNEY, Spencer TRAFTON, Seth SCHAFFER, Michael J. SLATE, Dirk A. VAN DER MERWE, Sooshin CHOI, Dean KAMEN, Karla BEAGLE, Eliza AGOSTA, John C. LANGENFELD
  • Publication number: 20220234546
    Abstract: The system of the present teachings for maintaining an unobstructed pathway through which sensors can capture data. The system includes at least one stationary wiper assembly, at least one movable shield assembly housing the sensors, and at least one barrier assembly protecting the interior of the stationary assembly and the movable shield assembly from environmental contaminants.
    Type: Application
    Filed: January 25, 2022
    Publication date: July 28, 2022
    Inventors: Christopher C. LANGENFELD, Michael J. SLATE, John C. LANGENFELD, Justin M. WHITNEY, Spencer TRAFTON