Patents by Inventor Lorenz A. Palm

Lorenz A. Palm 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).

  • Drone landing bag
    Patent number: 4205811
    Abstract: An inflatable landing bag having a valve for release of the inflating fluid from the landing bag as the pressure of the inflating fluid of the landing bag rises above a given level, such valve including a sleeve comprised at least in part of a woven stretch fabric having interstitially variable inflating fluid porosity such as to control release of inflating fluid from the landing bag.
    Type: Grant
    Filed: November 28, 1978
    Date of Patent: June 3, 1980
    Assignee: Irvin Industries Canada Ltd.
    Inventors: Lorenz A. Palm, David B. Webb
  • Parachute canopy
    Patent number: 4117993
    Abstract: A parachute canopy formed of circumferential rings of stretch fabric which stretch in a circumferential direction only. The canopy is formed by a plurality of trapezoidal fabric panels. Subsets of these panels form a plurality of rings which extend from the crown to the skirt. The radially inboard rings are formed from the stretch fabric and are joined along their adjacent circumferential seams with a double row of zig-zag stitching. The radially outboard rings are of a non-stretch fabric such as nylon.
    Type: Grant
    Filed: July 25, 1977
    Date of Patent: October 3, 1978
    Assignee: Irvin Industries Canada Ltd.
    Inventors: Lorenz A. Palm, David B. Webb
  • Vehicle safety device
    Patent number: 3937488
    Abstract: A vehicle safety device comprising an inflatable occupant restraint bag which is comprised of at least two different materials, one having a range of permeability to the inflating fluid of the restraint bag which is different from the range of inflating fluid permeability of the other, and wherein the overall inflating fluid permeability of the restraint bag is within a given design range.
    Type: Grant
    Filed: February 22, 1974
    Date of Patent: February 10, 1976
    Assignee: Irvin Industries Canada Limited
    Inventors: Kenneth R. A. Wilson, Lorenz A. Palm