CPC technology class · A45

A45B - Walking Sticks

Walking sticks ; umbrellas; ladies' or like fans. 436 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

436
US patents granted
#4/4
in A45
3.7%
A45 class share
+13%
5-yr velocity

The verdict

According to USPTO PatentsView, Walking Sticks ranks #552 of 670 CPC technology areas - 436 US patents granted since 2015, with recorded grant volume up 13% over five years.

#552
of 670 CPC technology areas
436
US patents granted, 2015–2025
Lekisport
leading assignee (20)
+13%
grant velocity, last 5 yrs

How A45B's grant cadence moved

Between 2020–2024, A45B recorded 209 grants versus 185 in 2015–2019 (+13% equal-window velocity). Across complete years, output peaked in 2020 at 56 grants and bottomed in 2023 at 24 (+133% peak-over-trough). Lead assignee Lekisport AG holds 4.6% of the class ; the top three share 11.0%.

Leaderboard read

A45B concentration, lead at 4.6%

Lekisport AG leads this historical grant record at 4.6% of A45B - foreign corporation assignees hold 51% of class grants (107 of 208). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share
4.6%

20 of 436 grants

Top three share
11.0%

of the class's recorded grants

Lead over #2
4

more grants than Shadecraft, LLC

Where A45B sits inside A45

Among 4 subclasses in A45 (Hand OR Travelling Articles), A45B ranks #4 and holds 3.7% of the parent class's 11,654 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

Rising assignees active in A45B

Company-wide grant multiples (2022–2024 vs 2019–2021) among assignees with ≥5 patents in this subclass. Growth is company-wide; class patent counts are subclass-specific.

  1. #1 Tempo Manufacturing LLC 4.00x 1 → 4 company-wide · 7 in A45B
  2. #2 Shedrain Corporation 3.00x 3 → 9 company-wide · 12 in A45B
  3. #3 Phaeton Manufacturing LLC 3.00x 0 → 3 company-wide · 10 in A45B
  4. #4 Yotrio Group Co., Ltd. 3.00x 2 → 6 company-wide · 8 in A45B
  5. #5 Step2gold Co., Ltd. 2.00x 0 → 2 company-wide · 8 in A45B

A45B grants by year, peak 2020 (56)

US utility-patent grants per year in A45B, 2015–2025 - recent five years are up 13% versus 2015–2019.

2030405060 20152016201720182019202020212022202320242025 36

Who leads A45B?

The 12 most active assignees in Walking Sticks ; UMBRELLAS; Ladies' OR Like Fans - wider bars mean more grants

patents

What this shows Lekisport is the most active filer in A45B, holding 20 of the 436 patents in this class. Concentration at the top signals how contestable this technology area is for new entrants.

Source USPTO PatentsView, granted utility patents As of 2015–2025 grant years
View data table

Footprint here vs. claim strategy

Each dot is a leading A45B assignee, placed by how many patents it holds in this class (horizontal) against its company-wide average claims per patent (vertical) - a read on whether the class is led by broad-but-shallow filers or focused deep-claim players.

Top 14 A45B assignees by class footprint. Bubble size = patents in A45B. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 51015202530 0510152025 Patents in A45B Avg claims / patent (company-wide) LekisportShadecraftShedrainZonPhaeton ManufacturingZhejiang Yotrio GroupYotrio GroupStep2goldTempo ManufacturingPremier TentsRegalo InternationalCurrent ProductsAtleisureXiamen Mingho…
Top 14 A45B assignees by class footprint. Bubble size = patents in A45B. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Questions about A45B

Which company holds the most patents in A45B?
Lekisport AG leads A45B with 20 patents (4.6% of the subclass). By PatentsView assignee type, foreign corporations account for 51% of class grants.
Which A45B assignees grew fastest recently?
Among assignees with ≥5 grants in A45B, Tempo Manufacturing LLC shows the highest company-wide grant multiple (4.00x: 1 grants in 2019–2021 → 4 in 2022–2024) while holding 7 patents in this subclass. Growth is company-wide, not class-only.
How does A45B compare inside parent class A45?
Inside A45 (Hand OR Travelling Articles), A45B ranks #4 of 4 subclasses by grant volume and holds 3.7% of the parent class total. The largest sibling is A45D (4,762 grants).

What to do with this data

A45B in context - here's where to go next.

Figures reflect USPTO PatentsView grant data through 2026-05-15; pending applications not yet granted are not counted.

Every figure on PlainPatent is rendered directly from USPTO source data, no number is typed in by an editor. This page draws directly on USPTO source data, no figure is typed in by an editor. See our editorial standards & corrections policy, the methodology behind these numbers, or report a data error.