Article of footwear with midsole having varying hardness
US-2022408879-A1 · Dec 29, 2022 · US
Sole and heel units
Sole and heel units · Cooperative Patent Classification (CPC)
Agriculture, food, personal care, health, and life sciences.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | A43B13/37 |
| Official title | Sole and heel units |
| Display label | Sole and heel units |
| Total patents | 135 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is growing.
| Year | Patents |
|---|---|
| 2015 | 2 |
| 2016 | 3 |
| 2017 | 3 |
| 2018 | 7 |
| 2019 | 9 |
| 2020 | 13 |
| 2021 | 19 |
| 2022 | 6 |
| 2023 | 26 |
| 2024 | 15 |
| 2025 | 26 |
| 2026 | 6 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Insole and shoes comprising the same
US-11464274-B2 · Oct 11, 2022 · US
Footwear with jointed sole structure for ease of access
US-2022039512-A1 · Feb 10, 2022 · US
Article of footwear having a sole plate
US-2022022595-A1 · Jan 27, 2022 · US
Footwear with jointed sole structure for ease of access
US-11185125-B2 · Nov 30, 2021 · US
Sole structure for article of footwear
US-2021361027-A1 · Nov 25, 2021 · US
Heeled footwear and method of producing heeled footwear
US-11178936-B2 · Nov 23, 2021 · US
Footwear plate
US-11147340-B2 · Oct 19, 2021 · US
Articulated Sole Structure with Sipes Forming Hexagonal Sole Elements
US-2021298414-A1 · Sep 30, 2021 · US
Sole structure for article of footwear
US-2021259359-A1 · Aug 26, 2021 · US
Cup-shaped shank for heeled shoes
US-11089836-B2 · Aug 17, 2021 · US
Article of footwear
US-2021227929-A1 · Jul 29, 2021 · US
Sole structure with progressively angled traction elements
US-11058176-B2 · Jul 13, 2021 · US
Sole structure for article of footwear
US-2021204651-A1 · Jul 8, 2021 · US
Footwear Including an Incline Adjuster
US-2021204648-A1 · Jul 8, 2021 · US
Article of footwear
US-2021186144-A1 · Jun 24, 2021 · US
Method for Manufacturing a Sole of an Article of Footwear
US-2021146644-A1 · May 20, 2021 · US
Articulated sole structure with sipes forming hexagonal sole elements
US-11000092-B2 · May 11, 2021 · US
Footwear
US-2021112916-A1 · Apr 22, 2021 · US
Structurally-colored articles and methods for making and using structurally-colored articles
US-2021112909-A1 · Apr 22, 2021 · US
Frequently asked questions
Answers are generated from the same data shown on this page.
- What is CPC A43B13/37?
- CPC A43B13/37 is the Cooperative Patent Classification code for “Sole and heel units.”
- How many patents are filed under CPC A43B13/37 (Sole and heel units)?
- Our database includes 135 publications tagged with this CPC code.
- Is patent activity under CPC A43B13/37 growing?
- Publication counts under this code: 15 in 2024 vs 26 in 2025 (latest complete years).