Patents by Inventor David E. Lambert

David E. Lambert 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: 11047098
    Abstract: A road marker and an installation for a roadway extending along a longitudinal axis and having a roadway upper surface. The road marker includes a housing containing an energy source and a light source to be powered by the energy source and configured to emit light along the longitudinal axis.
    Type: Grant
    Filed: October 14, 2019
    Date of Patent: June 29, 2021
    Inventor: David E Lambert
  • Publication number: 20210180275
    Abstract: A road marker disclosed herein includes a single piece of material having a width of approximately three inches or less. The piece includes a top surface, a bottom surface, and a sloped face disposed between the top surface and the bottom surface. The bottom surface is configured to enable the bottom surface to be connected directly to a floor of a channel of a roadway. The road marker further includes a reflector disposed on the sloped face. Another road marker disclosed herein includes a reflecting member including a reflective surface. The road marker also includes a housing configured to support at least a portion of the reflecting member below a surface of a roadway.
    Type: Application
    Filed: February 26, 2021
    Publication date: June 17, 2021
    Inventor: David E. Lambert
  • Patent number: 10968583
    Abstract: A road marker includes a single piece of material having a width of approximately three inches or less. The piece includes a top surface, a bottom surface, and a sloped face disposed between the top surface and the bottom surface. The bottom surface is configured to enable the bottom surface to be connected directly to a floor of a channel of a roadway. The road marker further includes a reflector disposed on the sloped face. Another road marker disclosed herein includes a reflecting member including a reflective surface. The road marker also includes a housing configured to support at least a portion of the reflecting member below a surface of a roadway.
    Type: Grant
    Filed: July 25, 2018
    Date of Patent: April 6, 2021
    Inventor: David E. Lambert
  • Publication number: 20200040536
    Abstract: A road marker and an installation for a roadway extending along a longitudinal axis and having a roadway upper surface are provided. The road marker includes a housing containing an energy source and a light source to be powered by the energy source and configured to emit light along the longitudinal axis.
    Type: Application
    Filed: October 14, 2019
    Publication date: February 6, 2020
    Inventor: David E. Lambert
  • Patent number: 10480138
    Abstract: A road marker and an installation for a roadway extending along a longitudinal axis and having a roadway upper surface. The road marker includes a housing containing an energy source and a light source to be powered by the energy source and configured to emit light along the longitudinal axis.
    Type: Grant
    Filed: June 5, 2018
    Date of Patent: November 19, 2019
    Inventor: David E. Lambert
  • Publication number: 20190032291
    Abstract: A road marker disclosed herein includes a single piece of material having a width of approximately three inches or less. The piece includes a top surface, a bottom surface, and a sloped face disposed between the top surface and the bottom surface. The bottom surface is configured to enable the bottom surface to be connected directly to a floor of a channel of a roadway. The road marker further includes a reflector disposed on the sloped face. Another road marker disclosed herein includes a reflecting member including a reflective surface. The road marker also includes a housing configured to support at least a portion of the reflecting member below a surface of a roadway.
    Type: Application
    Filed: July 25, 2018
    Publication date: January 31, 2019
    Inventor: David E. Lambert
  • Publication number: 20180347127
    Abstract: A road marker and an installation for a roadway extending along a longitudinal axis and having a roadway upper surface are provided. The road marker includes a housing containing an energy source and a light source to be powered by the energy source and configured to emit light along the longitudinal axis.
    Type: Application
    Filed: June 5, 2018
    Publication date: December 6, 2018
    Inventor: David E. Lambert
  • Patent number: 5292173
    Abstract: A plate structure of a generally L-shaped configuration includes a first plate portion coplanar with a second plate portion, with the first plate portion including a plurality of first plate portion apertures directed therethrough to receive fasteners for securement to the bottom surface of a chair arm of an associated chair assembly. In this manner, various computer components may be readily oriented relative to the chair assembly in proximity to a user of such components.
    Type: Grant
    Filed: October 19, 1992
    Date of Patent: March 8, 1994
    Inventor: David E. Lambert