The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 07, 2025
Filed:
Jun. 13, 2022
Gunderson Llc, Portland, OR (US);
Dan Aberle, Vancouver, WA (US);
Gunderson LLC, Lake Oswego, OR (US);
Abstract
Door assemblies for insulated boxcars and refrigerated boxcars are disclosed. In some embodiments, the door assemblies include a generally planar base, a liner spaced from the rear surface of the base. The liner includes a central portion and a perimeter portion surrounding the central portion. The door assemblies additionally include a perimeter gasket attached to the perimeter portion and surrounding the central portion. The door assemblies further include first and second end wall members. The base, the liner, and the first and second end wall members define an interior compartment therebetween. The door assemblies additionally include insulation disposed within the interior compartment, wherein the first and second end wall members are shaped such that insulation is disposed within one or more planes that are perpendicular to the base and to the perimeter portion of the liner and that include a portion of the perimeter gasket.