IP Library Granted Patent US 12,653,984
Granted Patent B2
US 12,653,984 · App. 19/010,243 · Granted Jun 16, 2026

Layered yarn and weighted blanket for deep pressure therapy

Inventor: Kathrin Hamm (New York, NY)
Assignee: Bearaby Inc.
A61M21/02D04B1/22D04B21/20D04B31/00G01N33/5088A61M2021/0022D10B2509/00
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Quick Facts
Patent No.
US 12,653,984
App. No.
19/010,243
Granted
Jun 16, 2026
Kind
B2
Abstract

A weighted blanket includes a length of layered yarn arranged to form a weighted material having loops in an interlooped pattern, the weighted material having a top side and a bottom side. The length of layered yarn includes an outer tube having a length and defining a conduit extending longitudinally therethrough; and textile materials positioned within the outer tube, each textile material including comprises a spun fiber arranged in a substantially longitudinal direction uninterrupted within the conduit. The interlooped pattern includes openings between the loops, the openings configured to allow airflow between the top side and the bottom side for providing breathability.

Claims (50)

1 . A weighted blanket comprising:

a weighted material formed, from a length of yarn, in a substantially single layer of interlooped yarn, the length of the yarn, comprising:

an outer tube comprising a length and an inner tubular wall defining a conduit extending longitudinally therethrough the length of yarn further comprising; and

at least one inner sheet positioned within the conduit, the at least one inner sheet comprising a spun fiber textile sheet folded about a fold axis and extending uninterrupted and substantially longitudinally within the conduit from a first end of the outer tube to a second end of the outer tube,

wherein at least one inner sheet is attached along a longitudinal region of the inner tubular wall such that the at least one inner sheet is retained in a fixed positional relationship relative to the outer tube during and subsequent to an interlooping of the length of yarn.

2 . The weighted blanket of claim 1 wherein the spun fiber textile sheet has a length substantially equal to the length of the outer tube.

3 . The weighted blanket of claim 1 wherein the spun fiber textile sheet is formed in a coiled configuration.

4 . The weighted blanket of claim 1 further comprising a plurality of spun fiber textile sheets.

5 . The weighted blanket of claim 4 , wherein the plurality of textile sheets comprise cotton.

6 . The weighted blanket of claim 1 wherein the outer tube comprises cotton.

7 . The weighted blanket of claim 1 wherein the outer tube is formed of a sheet of fabric.

8 . The weighted blanket of claim 7 wherein the outer tube further includes a seam extending along the length of the outer tube where the sheet of fabric has been attached to itself.

9 . The weighted blanket of claim 1 wherein the conduit has a volume and the spun fiber textile sheets take up between about 75-99% of the volume of the conduit.

10 . The weighted blanket of claim 1 wherein the substantially single layer of interlooped yarn comprises an interlooped pattern, wherein the interlooped pattern includes knots at cross-sections of interlooped yarn.

11 . The weighted blanket of claim 10 wherein the interlooped pattern consists of a single layer of interlooped yarn.

12 . The weighted blanket of claim 1 wherein the weighted material has a weight between 5 and 45 pounds without any added weights.

13 . The weighted blanket of claim 1 wherein the weighted material excludes added weights formed from other than textile materials.

14 . The weighted blanket of claim 1 wherein the length of layered yarn has a substantially homogenous weight and density along the length of the outer tube.

15 . A weighted blanket comprising:

a length of layered yarn arranged to form a weighted material having loops in an interlooped pattern, the weighted material having a top side and a bottom side, the length of layered yarn comprising:

an outer tube comprising a length and an inner tubular wall defining a conduit extending longitudinally therethrough; and

a fiber material comprising a plurality of spun fibers arranged within the conduit, each spun fiber of the plurality of spun fibers arranged in a substantially longitudinal direction uninterrupted within the conduit,

wherein at least one of the plurality of spun fibers is attached along a longitudinal region of the inner tubular wall such that the at least one of the plurality of spun fibers is retained in a fixed positional relationship relative to the outer tube during and subsequent to interlooping of the length of the layered yarn,

wherein the interlooped pattern is a single layer of interlooped yarn including knots at cross-sections of the loops and openings between the loops, the openings configured to allow airflow between the top side and the bottom side for providing breathability.

16 . The weighted blanket of claim 15 wherein each spun fiber of the plurality of spun fibers has a length substantially equal to the length of the outer tube.

17 . The weighted blanket of claim 15 wherein the outer tube has a first end and a second end, and each spun fiber of the plurality of spun fibers extends between the first end and the second end, and wherein the spun fibers are formed in a coiled configuration within the conduit.

18 . The weighted blanket of claim 15 wherein the fiber material and the outer tube are comprised of cotton.

19 . The weighted blanket of claim 15 wherein the interlooped pattern consists of a single layer of interlooped yarn.

20 . The weighted blanket of claim 15 wherein the length of layered yarn has a substantially homogenous weight and density along the length of the outer tube.

21 . A weighted blanket comprising:

a length of layered yarn arranged to form a weighted material having loops in an interlooped pattern, the weighted material having a top side and a bottom side, the length of layered yarn comprising:

an outer tube comprising a length and an inner tubular wall defining a conduit extending longitudinally therethrough; and

a plurality of inner materials positioned within the outer tube, each inner material of the plurality of inner materials comprising a spun fiber arranged in a substantially longitudinal direction uninterrupted within the conduit,

wherein at least one of the plurality of inner materials is attached along a longitudinal region of the inner tubular wall such that the at least one of a plurality of inner materials is retained in a fixed positional relationship relative to the outer tube during and subsequent to interlooping of the length of the layered yarn,

wherein the interlooped pattern is a single layer of interlooped yarn including knots at cross-sections of the loops and openings between the loops, the openings configured to allow airflow between the top side and the bottom side for providing breathability.

22 . The weighted blanket of claim 21 wherein the spun fiber has a length substantially equal to the length of the outer tube.

23 . The weighted blanket of claim 21 wherein the outer tube has a first end and a second end, and the spun fiber extends between the first end and the second end, wherein the spun fiber is formed in a coiled configuration within the conduit.

24 . The weighted blanket of claim 21 wherein the plurality of inner materials and the outer tube are comprised of cotton.

25 . The weighted blanket of claim 21 wherein the interlooped pattern consists of a single layer of interlooped yarn.

26 . The weighted blanket of claim 21 wherein the length of layered yarn has a substantially homogenous weight and density along the length of the outer tube.

27 . A weighted blanket comprising:

a length of layered yarn arranged to form a weighted material having loops in an interlooped pattern, the weighted material having a top side and a bottom side, the interlooped pattern including knots at cross-sections of the loops, wherein the length of layered yarn comprises:

an outer tube extending from a first end to a second end, the outer tube comprising an inner tubular wall defining a conduit extending longitudinally therethrough from the first end to the second end; and

a plurality of lengths of material arranged within the conduit, each length of material of the plurality of lengths of material comprising a spun fiber, wherein the spun fiber is arranged in a substantially longitudinal direction uninterrupted between the first end and the second end,

wherein at least one of the plurality of lengths of material is attached along a longitudinal region of the inner tubular wall such that the at least one of the lengths of material fibers is retained in a fixed positional relationship relative to the outer tube during and subsequent to interlooping of the length of the layered yarn,

wherein the interlooped pattern includes openings where the length of layered yarn crosses other lengths of layered yarn, the openings configured to allow airflow between the top side and the bottom side thereby providing breathability,

wherein the length of layered yarn has a substantially homogenous weight and density along the length of the outer tube.

28 . The weighted blanket of claim 27 wherein the spun fiber extends substantially longitudinally from the first end to the second end.

29 . The weighted blanket of claim 27 wherein the spun fiber has a length substantially equal to the length of the outer tube, wherein the spun fiber is formed in a coiled configuration, and wherein the spun fiber is stitched to or adhered to the inner tubular wall.

30 . The weighted blanket of claim 27 wherein the fiber material and the outer tube are comprised of cotton.

Continuity (6)
Continuation 18526797 · Dec 1, 2023
Continuation 18384476 · Oct 27, 2023
Continuation 17650147 · Feb 7, 2022
Continuation 17099033 · Nov 16, 2020
Continuation 16193792 · Nov 16, 2018
Related Publication 20250128019A1 · Apr 24, 2025
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