Patents by Inventor Jeffrey L Chapman

Jeffrey L Chapman 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).

  • SECURE VEHICLE TO VEHICLE PTC COMMUNICATION
    Publication number: 20240109564
    Abstract: A method is provided that can include activating at least two wireless communication channels in parallel, between a first wireless transceiver and a second wireless transceiver. Each of the at least two wireless communication channels can operate at a different radio carrier frequency, and the first wireless transceiver may be part of a first vehicle. The method can also include transmitting, by the first wireless transceiver, common information in parallel on the at least two wireless communication channels to the second wireless transceiver and deactivating the at least two wireless communication channels.
    Type: Application
    Filed: December 12, 2023
    Publication date: April 4, 2024
    Inventors: Padam Dhoj Swar, Carl L. Haas, Danial Rice, Rebecca W. Dreasher, Adam Hausmann, Matthew Steven Vrba, Edward J. Kuchar, James Lucas, Andrew Ryan Staats, Jerrid D. Chapman, Jeffrey D. Kernwein, Janmejay Tripathy, Stephen Craven, Tania Lindsley, Derek K. Woo, Ann K. Grimm, Scott Sollars, Phillip A. Burgart, James Allen Oswald, Shannon K. Struttmann, Stuart J. Barr, Keith Smith, Francois P. Pretorius, Craig K. Green, Kendrick Gawne, Irwin Morris, Joseph W. Gorman, Srivallidevi Muthusami, Mahesh Babu Natarajan, Jeremiah Dirnberger, Adam Franco
  • Fifth wheel switching apparatus
    Patent number: 8459684
    Abstract: Two fifth wheels of different throat diameters are mounted facing each other 180 degrees apart on a turntable member that can be rotated on an underlying support member. The underlying support member may be a permanent part on a towing or tractor vehicle, or a detachable part such as a fifth wheel support body. This enables a single towing vehicle to tow semitrailers having kingpins of different sizes without changing the kingpins.
    Type: Grant
    Filed: February 3, 2011
    Date of Patent: June 11, 2013
    Inventor: Jeffrey L. Chapman
  • Trailer hitch support body
    Patent number: 6631917
    Abstract: Bodies for hook lift shuttles and other roll-off loaders are fitted with trailer towing hitches, such as fifth wheels and hitch balls, so that when one of these bodies is loaded onto a shuttle or loader, the shuttle or loader can be used temporarily as a tractor for a trailer. Means are provided for connecting truck utilities such as brake air and electricity to the invention and thence to a trailer.
    Type: Grant
    Filed: May 20, 2002
    Date of Patent: October 14, 2003
    Inventor: Jeffrey L Chapman
  • Receptacle extension apparatus and method
    Patent number: 6581999
    Abstract: The volume capacity of a hook lift or roll-off truck container body is increased temporarily by vertical extension of the container body's walls and rear door. The extension includes three walls and another door which are firmly attached to the top edges of the container body's walls and doors. The extension is conveniently secured to the body and the doors of the body and the extension open and latch in concert.
    Type: Grant
    Filed: February 22, 2002
    Date of Patent: June 24, 2003
    Inventor: Jeffrey L. Chapman
  • Trailer hitch support body
    Patent number: 6431577
    Abstract: Bodies for hook lift shuttles and other roll-off loaders are fitted with trailer towing hitches, such as fifth wheels and hitch balls, so that when one of these bodies is loaded onto a shuttle or loader, the shuttle or loader can be used temporarily as a tractor for a trailer.
    Type: Grant
    Filed: June 20, 2001
    Date of Patent: August 13, 2002
    Inventor: Jeffrey L Chapman