PlainPatent

CPC technology class · D06

D06G - Mechanical OR Pressure Cleaning OF Carpets

Mechanical or pressure cleaning of carpets, rugs, sacks, hides, or other skin or textile articles or fabrics; turning inside-out flexible tubular or other hollow articles. 11 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

11
US patents granted
D06
Parent CPC class
2
Active assignees
+167%
5-yr velocity

The verdict

Mechanical OR Pressure Cleaning OF Carpets ranks #658 of 670 CPC technology areas - 11 US patents granted since 2015, with filing up 167% over five years.

#658
of 670 CPC technology areas
11
US patents granted, 2015–2025
West Heat Rauma Oy
leading assignee (2)
+167%
filing velocity, last 5 yrs
Top assignee: West Heat Rauma OY (2 patents)

CPC subclass D06G - MECHANICAL OR PRESSURE CLEANING OF CARPETS, RUGS, SACKS, HIDES, OR OTHER SKIN OR TEXTILE ARTICLES OR FABRICS; TURNING INSIDE-OUT FLEXIBLE TUBULAR OR OTHER HOLLOW ARTICLES - covers 11 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class D06 (TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR). See our CPC classification guide for how the system works.

The competitive landscape in D06G is shaped by 2 distinct companies actively filing in this space. West Heat Rauma OY leads with 2 patents, followed by Hydrite Chemical Co. at 1 grants.

Filing activity in D06G is up 167% 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 D06G innovation accelerating?

US utility-patent grants per year in D06G, 2015–2025 - recent five years are up 167% versus 2015–2019.

0.511.522.5 201520162018202020212022202320242025 1

Who leads D06G?

The 12 most active assignees in MECHANICAL OR PRESSURE CLEANING OF CARPETS, RUGS, SACKS, HIDES, OR OTHER SKIN OR TEXTILE ARTICLES OR FABRICS; TURNING INSIDE-OUT FLEXIBLE TUBULAR OR OTHER HOLLOW ARTICLES - wider bars mean more grants

patents

What this shows West Heat Rauma Oy is the most active filer in D06G, holding 2 of the 11 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 D06G
Rank Company Patents in D06G
#1 Lonati S.p.a. 1
#2 Hydrite Chemical Co. 1

About This Class

CPC subclass D06G belongs to class D06.

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

2 companies actively patent in this space.

Classification System

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

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Frequently Asked Questions

What is CPC class D06G?
CPC subclass D06G covers MECHANICAL OR PRESSURE CLEANING OF CARPETS, RUGS, SACKS, HIDES, OR OTHER SKIN OR TEXTILE ARTICLES OR FABRICS; TURNING INSIDE-OUT FLEXIBLE TUBULAR OR OTHER HOLLOW ARTICLES. It belongs to CPC class D06 (TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR), with 11 US utility patents granted since 2015.
How many patents have been filed in D06G?
11 US utility patents were granted in CPC subclass D06G between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in D06G?
West Heat Rauma OY leads D06G with 2 patents, making it the most active assignee in this technology area.
How is patent data for D06G 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., D06) is a broad technology category. Subclasses like D06G 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.