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CPC technology class · C09

C09K - Materials For Miscellaneous Applications

Materials for miscellaneous applications, not provided for elsewhere. 29,124 US utility patents granted 2015–2025, with the leading assignees and year-by-year grant trajectory.

29,124
US patents granted
#1/8
in C09
38.9%
C09 class share
+4%
5-yr velocity

The verdict

According to USPTO PatentsView, Materials For Miscellaneous Applications ranks #70 of 670 CPC technology areas - 29,124 US patents granted since 2015, with recorded grant volume up 4% over five years.

#70
of 670 CPC technology areas
29,124
US patents granted, 2015–2025
Samsung
leading assignee (1,766)
+4%
grant velocity, last 5 yrs

How C09K's grant cadence moved

Between 2020–2024, C09K recorded 12,821 grants versus 12,291 in 2015–2019 (+4% equal-window velocity). Across complete years, output peaked in 2019 at 2,820 grants and bottomed in 2016 at 2,150 (+31% peak-over-trough). Lead assignee Halliburton Energy Services, Inc. holds 5.0% of the class ; the top three share 11.3%.

Leaderboard read

C09K concentration, lead at 5.0%

Halliburton Energy Services, Inc. leads this historical grant record at 5.0% of C09K - foreign corporation assignees hold 63% of class grants (12,739 of 20,232). Figures describe granted US utility patents in this CPC subclass, not current investment or legal strength.

Leader's share
5.0%

1,465 of 29,124 grants

Top three share
11.3%

of the class's recorded grants

Lead over #2
347

more grants than Saudi Arabian OIL Company

Where C09K sits inside C09

Among 8 subclasses in C09 (DYES; PAINTS; POLISHES; Natural RESINS; ADHESIVES; Compositions NOT Otherwise Provided FOR; Applications OF Materials NOT Otherwise Provided FOR), C09K ranks #1 and holds 38.9% of the parent class's 74,898 recorded grants. Sibling chips below are the other subclasses in the same parent class, not the nationwide volume/lead-share peers further down.

C09D 27,394 C09J 11,139 C09B 3,624 C09C 2,483 C09G 1,039 C09F 77 C09H 18

Rising assignees active in C09K

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 · 20 in C09K
  2. #2 Resonac Corporation 192x 0 → 192 company-wide · 21 in C09K
  3. #3 Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch 142x 0 → 142 company-wide · 12 in C09K
  4. #4 King Faisal University 125x 6 → 747 company-wide · 12 in C09K
  5. #5 Totalenergies Onetech 65x 0 → 65 company-wide · 5 in C09K

C09K grants by year, peak 2019 (2,820)

US utility-patent grants per year in C09K, 2015–2025 - recent five years are up 4% versus 2015–2019.

1,5002,0002,5003,000 20152016201720182019202020212022202320242025 1,589

Who leads C09K?

The 12 most active assignees in Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere - wider bars mean more grants

patents

What this shows Samsung is the most active filer in C09K, holding 1,766 of the 29,124 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 C09K
Rank Company Patents in C09K
#1 Halliburton Energy Services, Inc. 1,465
#2 Saudi Arabian OIL Company 1,118
#3 Merck Patent GmbH 719
#4 Universal Display Corporation 559
#5 LG Chem, Ltd. 533
#6 Semiconductor Energy Laboratory Co., Ltd. 372
#7 Fujifilm Corporation 357
#8 Idemitsu Kosan Co., Ltd. 344
#9 Schlumberger Technology Corporation 332
#10 King Fahd University OF Petroleum AND Minerals 246
#11 Nichia Corporation 242
#12 JNC Corporation 234
#13 Basf SE 231
#14 JNC Petrochemical Corporation 210
#15 3M Innovative Properties Company 207
#16 DIC Corporation 203
#17 Sumitomo Chemical Company, Limited 192
#18 Baker Hughes Holdings LLC 188
#19 Sharp Kabushiki Kaisha 165
#20 LG Display Co., Ltd. 161

Footprint here vs. claim strategy

Each dot is a leading C09K 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 C09K assignees by class footprint. Bubble size = patents in C09K. Source: USPTO PatentsView (claim depth is company-wide across all classes). Scatter plot of 14 data points (bubble-sized by third dimension). 1214161820 0500100015002000 Patents in C09K Avg claims / patent (company-wide) Halliburton Energy…Saudi Arabian OilMerck PatentUniversal DisplayLg ChemSemiconductor Energy…FujifilmIdemitsu KosanSchlumberger…King Fahd University…NichiaJncBasf SeJnc Petrochemical
Top 14 C09K assignees by class footprint. Bubble size = patents in C09K. Source: USPTO PatentsView (claim depth is company-wide across all classes).

Classes near C09K's 29,124-grant footprint

Nationwide nearest neighbors for C09K (#70 of 670 by volume ; lead share 6.1%) - not the C09 parent-class siblings above.

Nearest by grant volume

C08G 29,133 B65D 29,449 B62D 29,451 C23C 29,488

Nearest by lead-assignee share

B64U 6.1% H10N 6.1% B67B 6.1% F42D 6.0%

Questions about C09K

Which company holds the most patents in C09K?
Samsung Electronics Co., Ltd. leads C09K with 1,766 patents (5.0% of the subclass). By PatentsView assignee type, foreign corporations account for 63% of class grants.
Which C09K assignees grew fastest recently?
Among assignees with ≥5 grants in C09K, 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 20 patents in this subclass. Growth is company-wide, not class-only.
How does C09K compare inside parent class C09?
Inside C09 (DYES; PAINTS; POLISHES; Natural RESINS; ADHESIVES; Compositions NOT Otherwise Provided FOR; Applications OF Materials NOT Otherwise Provided FOR), C09K ranks #1 of 8 subclasses by grant volume and holds 38.9% of the parent class total. The largest sibling is C09D (27,394 grants).

What to do with this data

C09K in context - here's where to go next.

  • Halliburton Energy Services, Inc. leads C09K with 1,465 grants in this class. See full portfolio
  • C09K ranks #70 of 670 by grant volume among all tracked CPC technology areas. See the ranking
  • Inside parent class C09, the largest sibling subclass is C09D with 27,394 grants. Explore C09D

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

Methodology - C09K figures are USPTO PatentsView granted-utility totals for this subclass (29,124 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.