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 grant trajectory.
- 6
- US patents granted
- #10/10
- in C10
- 0.0%
- C10 class share
- -67%
- 5-yr velocity
The verdict
According to USPTO PatentsView, Production Of Acetylene By Wet Methods ranks #667 of 670 CPC technology areas - 6 US patents granted since 2015, with recorded grant volume down 67% over five years.
- #667
- of 670 CPC technology areas
- 6
- US patents granted, 2015–2025
- Daikin Industries
- leading assignee (1)
- -67%
- grant velocity, last 5 yrs
How C10H's grant cadence moved
Between 2020–2024, C10H recorded 1 grants versus 3 in 2015–2019 (-67% equal-window velocity). Across complete years, output peaked in 2017 at 2 grants and bottomed in 2016 at 1 (+100% peak-over-trough). Lead assignee Cmblu Energy AG holds 16.7% of the class .
Leaderboard read
C10H concentration, lead at 16.7%
Cmblu Energy AG leads this historical grant record at 16.7% of C10H - foreign corporation assignees hold 100% of class grants (1 of 1). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.
- Leader's share
- 16.7%
- Top three share
- N/A
- Lead over #2
- N/A
1 of 6 grants
of the class's recorded grants
runner-up unavailable
Where C10H sits inside C10
Among 10 subclasses in C10 (Petroleum, GAS OR Coke INDUSTRIES; Technical Gases Containing Carbon MONOXIDE; FUELS; LUBRICANTS; Peat), C10H ranks #10 and holds 0.0% of the parent class's 27,322 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.
C10H grants by year, peak 2017 (2)
US utility-patent grants per year in C10H, 2015–2025 - recent five years are down 67% versus 2015–2019.
Who leads C10H?
The 12 most active assignees in Production OF Acetylene BY WET Methods - wider bars mean more grants
- Cmblu Energy
Cmblu Energy AG
1 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.
View data table
| Rank | Company | Patents in C10H |
|---|---|---|
| #1 | Cmblu Energy AG | 1 |
Questions about C10H
Which company holds the most patents in C10H?
How does C10H compare inside parent class C10?
What to do with this data
C10H in context - here's where to go next.
- Cmblu Energy AG leads C10H with 1 grants in this class. See full portfolio
- C10H ranks #667 of 670 by grant volume among all tracked CPC technology areas. See the ranking
- Inside parent class C10, the largest sibling subclass is C10G with 9,942 grants. Explore C10G
Figures reflect USPTO PatentsView grant data through 2026-05-15; pending applications not yet granted are not counted.
Methodology - C10H figures are USPTO PatentsView granted-utility totals for this subclass (6 grants in the tracked window).
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.