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CPC technology class · C10

C10G - Cracking Hydrocarbon Oils

Cracking hydrocarbon oils; production of liquid hydrocarbon mixtures, e.g. by destructive hydrogenation, oligomerisation, polymerisation ; recovery of hydrocarbon oils from oil-shale, oil-sand, or gases; refining mixtures mainly consisting of hydrocarbons; reforming of naphtha; mineral waxes. 9,942 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

9,942
US patents granted
#1/10
in C10
36.4%
C10 class share
-20%
5-yr velocity

The verdict

According to USPTO PatentsView, Cracking Hydrocarbon Oils ranks #173 of 670 CPC technology areas - 9,942 US patents granted since 2015, with recorded grant volume down 20% over five years.

#173
of 670 CPC technology areas
9,942
US patents granted, 2015–2025
Saudi Arabian Oil
leading assignee (851)
-20%
grant velocity, last 5 yrs

How C10G's grant cadence moved

Between 2020–2024, C10G recorded 3,818 grants versus 4,751 in 2015–2019 (-20% equal-window velocity). Across complete years, output peaked in 2016 at 1,010 grants and bottomed in 2023 at 655 (+54% peak-over-trough). Lead assignee Saudi Arabian OIL Company holds 8.6% of the class ; the top three share 18.5%.

Leaderboard read

C10G concentration, lead at 8.6%

Saudi Arabian OIL Company leads this historical grant record at 8.6% of C10G - us corporation assignees hold 51% of class grants (3,925 of 7,680). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share
8.6%

851 of 9,942 grants

Top three share
18.5%

of the class's recorded grants

Lead over #2
200

more grants than UOP LLC

Where C10G sits inside C10

Among 10 subclasses in C10 (Petroleum, GAS OR Coke INDUSTRIES; Technical Gases Containing Carbon MONOXIDE; FUELS; LUBRICANTS; Peat), C10G ranks #1 and holds 36.4% 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.

C10L 5,025 C10M 4,240 C10N 3,834 C10B 1,527 C10J 1,392 C10K 1,080 C10C 264 C10F 12

Rising assignees active in C10G

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 Exxon Mobil Technology and Engineering Company 298x 0 → 298 company-wide · 87 in C10G
  2. #2 Shell USA, Inc. 110x 0 → 110 company-wide · 32 in C10G
  3. #3 Totalenergies Onetech 65x 0 → 65 company-wide · 9 in C10G
  4. #4 SK Geo Centric Co., Ltd. 35x 0 → 35 company-wide · 20 in C10G
  5. #5 Locus Solutions Ipco, LLC 35x 0 → 35 company-wide · 5 in C10G

C10G grants by year, peak 2016 (1,010)

US utility-patent grants per year in C10G, 2015–2025 - recent five years are down 20% versus 2015–2019.

4006008001,0001,200 20152016201720182019202020212022202320242025 473

Who leads C10G?

The 12 most active assignees in Cracking Hydrocarbon OILS; Production OF Liquid Hydrocarbon Mixtures, e.g. BY Destructive Hydrogenation, Oligomerisation, Polymerisation ; Recovery OF Hydrocarbon Oils From Oil-shale, Oil-sand, OR GASES; Refining Mixtures Mainly Consisting OF HYDROCARBONS; Reforming OF NAPHTHA; Mineral Waxes - wider bars mean more grants

patents

What this shows Saudi Arabian Oil is the most active filer in C10G, holding 851 of the 9,942 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 C10G
Rank Company Patents in C10G
#1 Saudi Arabian OIL Company 851
#2 UOP LLC 651
#3 Exxonmobil Research AND Engineering Company 334
#4 IFP Energies Nouvelles 282
#5 Shell OIL Compny 280
#6 Chevron U.S.A. Inc. 218
#7 ExxonMobil Chemical Patents Inc. 207
#8 Sabic Global Technologies B.V. 174
#9 China Petroleum & Chemical Corporation 136
#10 Neste OYJ 107
#11 Phillips 66 Company 105
#12 Chevron Phillips Chemical Company LP 95
#13 Indian Oil Corporation Limited 95
#14 JX Nippon Oil & Energy Corporation 93
#15 Lummus Technology LLC 93
#16 Exxon Mobil Technology and Engineering Company 87
#17 Ecolab USA Inc. 82
#18 Saudi Basic Industries Corporation 72
#19 Research Institute OF Petroleum Processing, Sinopec 72
#20 Xyleco, Inc. 68

Footprint here vs. claim strategy

Each dot is a leading C10G 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 C10G assignees by class footprint. Bubble size = patents in C10G. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 510152025 02004006008001000 Patents in C10G Avg claims / patent (company-wide) Saudi Arabian OilUopExxonmobil Research…Ifp Energies NouvellesShell Oil CompnyChevron UExxonmobil Chemical…Sabic Global B VChina Petroleum &…Neste OyjPhillips 66Chevron Phillips…Indian OilJx Nippon Oil & Energy
Top 14 C10G assignees by class footprint. Bubble size = patents in C10G. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near C10G's 9,942-grant footprint

Nationwide nearest neighbors for C10G (#173 of 670 by volume ; lead share 8.6%) - not the C10 parent-class siblings above.

Nearest by grant volume

Y02W 9,860 A01K 10,071 F16F 10,113 F28D 10,118

Nearest by lead-assignee share

H01J 8.6% G06N 8.5% C06B 8.6% A63F 8.4%

Questions about C10G

Which company holds the most patents in C10G?
Saudi Arabian OIL Company leads C10G with 851 patents (8.6% of the subclass). By PatentsView assignee type, us corporations account for 51% of class grants.
Which C10G assignees grew fastest recently?
Among assignees with ≥5 grants in C10G, Exxon Mobil Technology and Engineering Company shows the highest company-wide grant multiple (298x: 0 grants in 2019–2021 → 298 in 2022–2024) while holding 87 patents in this subclass. Growth is company-wide, not class-only.
How does C10G compare inside parent class C10?
Inside C10 (Petroleum, GAS OR Coke INDUSTRIES; Technical Gases Containing Carbon MONOXIDE; FUELS; LUBRICANTS; Peat), C10G ranks #1 of 10 subclasses by grant volume and holds 36.4% of the parent class total. The largest sibling is C10L (5,025 grants).

What to do with this data

C10G in context - here's where to go next.

  • Saudi Arabian OIL Company leads C10G with 851 grants in this class. See full portfolio
  • C10G ranks #173 of 670 by grant volume among all tracked CPC technology areas. See the ranking
  • Inside parent class C10, the largest sibling subclass is C10L with 5,025 grants. Explore C10L

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

Methodology - C10G figures are USPTO PatentsView granted-utility totals for this subclass (9,942 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.