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CPC technology class · C10

C10H - Production OF Acetylene BY WET Methods

Production of acetylene by wet methods. 6 US utility patents granted 2015–2025, with the leading assignees and year-by-year filing trajectory.

6
US patents granted
C10
Parent CPC class
1
Active assignees
-33%
5-yr velocity

The verdict

Production OF Acetylene BY WET Methods ranks #666 of 670 CPC technology areas - 6 US patents granted since 2015, with filing down 33% over five years.

#666
of 670 CPC technology areas
6
US patents granted, 2015–2025
Daikin Industries
leading assignee (1)
-33%
filing velocity, last 5 yrs
Top assignee: Daikin Industries, Ltd. (1 patents)

CPC subclass C10H - PRODUCTION OF ACETYLENE BY WET METHODS - covers 6 US utility patents granted between 2015 and 2025 according to USPTO PatentsView records, within the broader CPC class C10 (PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT). See our CPC classification guide for how the system works.

The competitive landscape in C10H is shaped by 1 distinct companies actively filing in this space. Daikin Industries, Ltd. leads with 1 patents.

Filing activity in C10H is down 33% over the past five years versus 2015-2019, a notable slowdown that may signal a maturing field. All counts come directly from USPTO PatentsView and reflect US granted utility patents only.

Is C10H innovation accelerating?

US utility-patent grants per year in C10H, 2015–2025 - recent five years are down 33% versus 2015–2019.

0.511.522.5 2016201720232025 1

Who leads C10H?

The 12 most active assignees in PRODUCTION OF ACETYLENE BY WET METHODS - wider bars mean more grants

patents

What this shows Daikin Industries is the most active filer in C10H, holding 1 of the 6 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 C10H
Rank Company Patents in C10H
#1 Cmblu Energy Ag 1

About This Class

CPC subclass C10H belongs to class C10.

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

1 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 C10H?
CPC subclass C10H covers PRODUCTION OF ACETYLENE BY WET METHODS. It belongs to CPC class C10 (PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT), with 6 US utility patents granted since 2015.
How many patents have been filed in C10H?
6 US utility patents were granted in CPC subclass C10H between 2015 and 2025, based on USPTO PatentsView data.
Which company holds the most patents in C10H?
Daikin Industries, Ltd. leads C10H with 1 patents, making it the most active assignee in this technology area.
How is patent data for C10H 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., C10) is a broad technology category. Subclasses like C10H 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.