PlainPatent

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 filing trajectory.

436
US patents granted
A45
Parent CPC class
20
Active assignees
+32%
5-yr velocity

The verdict

Walking Sticks ranks #552 of 670 CPC technology areas - 436 US patents granted since 2015, with filing up 32% over five years.

#552
of 670 CPC technology areas
436
US patents granted, 2015–2025
Lekisport
leading assignee (20)
+32%
filing velocity, last 5 yrs
Top assignee: Lekisport Ag (20 patents)

CPC subclass A45B - WALKING STICKS ; UMBRELLAS; LADIES' OR LIKE FANS - covers 436 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class A45 (HAND OR TRAVELLING ARTICLES). See our CPC classification guide for how the system works.

The competitive landscape in A45B is shaped by 20 distinct companies actively filing in this space. Lekisport Ag leads with 20 patents, followed by Shadecraft, Llc at 16 grants and Shedrain Corporation at 12.

Filing activity in A45B is up 32% over the past five years versus 2015-2019, a sharp acceleration suggesting an emerging or fast-moving technology area. All counts come directly from USPTO PatentsView and reflect US granted utility patents only.

Is A45B innovation accelerating?

US utility-patent grants per year in A45B, 2015–2025 - recent five years are up 32% 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
Top patent holders in CPC subclass A45B
Rank Company Patents in A45B
#1 Lekisport Ag 20
#2 Shadecraft, Llc 16
#3 Shedrain Corporation 12
#4 ZON, Inc. 11
#5 Phaeton Manufacturing Llc 10
#6 Zhejiang Yotrio Group Co., Ltd. 9
#7 Yotrio Group Co., Ltd. 8
#8 Step2gold Co., Ltd. 8
#9 Tempo Manufacturing Llc 7
#10 Premier Tents, Inc. 7
#11 Regalo International, Llc 5
#12 Current Products Company, Llc 5
#13 Atleisure, Llc 5
#14 Xiamen Mingho Brothers MFG Co., Ltd. 5
#15 Ninghai Xingda Leisure Products Co., Ltd. 4
#16 CAN Mobilities, Inc. 4
#17 Linhai Zhongtian Electronic Appliance Co.,ltd 4
#18 Salomon S.a.s. 3
#19 Zenithen USA, Llc 3
#20 Ardisam, Inc. 3

About This Class

CPC subclass A45B belongs to class A45.

436 patents were granted in this class between 2015 and 2025.

20 companies actively patent in this space.

Classification System

Cooperative Patent Classification (CPC) is a hierarchical patent classification system used by the USPTO and EPO.

← All Technology Classes Technology Rankings →

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).

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 Brother…
Top 14 A45B assignees by class footprint. Bubble size = patents in A45B. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Frequently Asked Questions

What is CPC class A45B?
CPC subclass A45B covers WALKING STICKS ; UMBRELLAS; LADIES' OR LIKE FANS. It belongs to CPC class A45 (HAND OR TRAVELLING ARTICLES), with 436 US utility patents granted since 2015.
How many patents have been filed in A45B?
436 US utility patents were granted in CPC subclass A45B between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in A45B?
Lekisport Ag leads A45B with 20 patents, making it the most active assignee in this technology area.
How is patent data for A45B collected?
Patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office. It covers all US granted utility patents and assigns CPC codes based on the technology described in each patent.
What is the difference between CPC class and subclass?
A CPC class (e.g., A45) is a broad technology category. Subclasses like A45B provide finer granularity within that category. PlainPatent organizes data at the subclass level (4-character codes) for the most useful view of technology domains.

Read our methodology - how this data is sourced, computed, and verified.

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent Editorial

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.