Where does Cameron International Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Cameron International Corporation ranks #644 of 49,997 assignees by granted-patent volume, the same sort as the companies listing and top-holders ranking. See /methodology/#corpus-placement.

How many patents does Cameron International Corporation hold?

Cameron International Corporation holds 692 US utility patents granted between 2015 and 2025, spanning 120 technology areas.

What is Cameron International Corporation's Innovation Score?

Cameron International Corporation has an Innovation Score of 62.0 out of 100 (top 3% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Cameron International Corporation's patent grant rate increasing or decreasing?

Cameron International Corporation's recent grant velocity is -59% compared to the prior five-year period (grant years, not application filing dates). Grant activity has slowed relative to earlier years.

What does claim depth mean for Cameron International Corporation's patents?

Cameron International Corporation's patents average 18.2 claims each. This is an aggregate descriptive count from the grant record; it does not establish claim scope, legal strength, enforceability, or design-around risk.

How is the Cameron International Corporation patent data sourced?

All patent data comes from USPTO PatentsView, a public research dataset maintained by the United States Patent and Trademark Office covering US granted utility patents from 2015 to 2025.

USPTO 2015–2025 USPTO PatentsView US Corporation

Cameron International Corporation

Q: What technology areas does Cameron International Corporation focus on?

Cameron International Corporation's top technology area is E21B (Earth OR Rock DRILLING; Obtaining OIL, GAS, Water, Soluble OR Meltable Materials OR A Slurry OF Minerals From Wells) with 514 patents, ranking #8 of 1,363 assignees active in that subclass. Grants appear in 120 CPC subclasses total.

USPTO PatentsView assignee record - 692 granted patents across 120 technology areas, recorded in grant years 2015–2025. Grant-trend analysis is cross-referenced to USPTO Patent Public Search; it does not measure application filings, current R&D, or legal strength. Primary class: E21B (Earth OR Rock DRILLING; Obtaining OIL, GAS, Water, Soluble OR Meltable Materials OR A Slurry OF Minerals From Wells).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Cameron ranks #644 of 49,997 tracked US assignees by granted-patent volume, with 692 patents across 120 technology areas.

#644
of 49,997 US assignees by volume: Top 3%
by Innovation Score (62.0/100): 18.2
avg claims per patent: -59%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R644 · US Corporation #644 · 692 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-STRONG · CLAIMS-RICH · TYPE-USCORP · VEL-DROP · BOOK-FULL

GRANTS-MID 692 grants
TOP-DECILE #644/49,997
PHOTO-FINISH Posco
CPC-WIDE E21B · 120 areas
INNOV-STRONG 62.0/100
CLAIMS-RICH 18.2 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -59% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Posco Co., Ltd (±1 grants)

Instrument codes from this assignee’s USPTO PatentsView grant sheet: volume band, corpus rank, photo-finish peer, lead CPC, Innovation Score, claim depth, assignee type, velocity, and book completeness. Not a USPTO rating of patent strength.

How Cameron’s 62.0 Innovation Score adds up

The same four weighted components behind every Innovation Score on PlainPatent: portfolio volume, grant velocity, technology breadth, and claim depth.

Volume 22.6 pts (36%) Velocity 3.5 pts (6%) Breadth 25.0 pts (40%) Claim depth 10.9 pts (18%)

Qualcomm Incorporated · highest

85
Cameron International · this assignee

62
Fisher Controls… · near

62
Illumina Cambridge · near

62
Medos International… · near

62
Wirtgen · near

62
3D Lighting… · lowest

7

What this shows Cameron's Innovation Score is 62.0/100 (top 3% of the PatentsView-derived corpus). The chart places that score against the nearest Innovation Score peers plus corpus poles, not a reprint of the volume ranking.

Does more volume mean deeper claims for Cameron?

Each dot is one of Cameron’s 8 nearest volume peers (same corpus rank neighbourhood as the chart above), placed by total granted patents (horizontal) against average claims per patent (vertical). Cameron’s own 18.2 claims/patent is ABOVE the 16.3 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

Cameron vs its 8 nearest volume peers: granted patents vs average claims per patent. Source: USPTO PatentsView.

How Cameron's grant cadence moved

Between 2020–2024, Cameron International Corporation received 196 grants versus 479 in 2015–2019 (-59% equal-window velocity, below median growth). Across complete PatentsView years, output peaked in 2018 at 124 grants and bottomed in 2023 at 30. Lead class E21B accounts for 74.3% of the portfolio across 120 subclasses. Volume neighbours: Arizona Board of Regents on Behalf of the University of Arizona (#640) and Immatics Biotechnologies GmbH (#648).

Cameron's three-year grant acceleration

From 2019–2021 to 2022–2024, Cameron International Corporation moved from 199 to 103 grants (0.52x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #2,642. See the growth leaderboard.

Arizona Board of…

696
Centurylink Intel…

695
Cerner Innovation

695
Callaway Golf

694
Cameron Internati… ◀

692
Posco

691
Schneider Electri…

691
University of Was…

691
Immatics Biotechn…

690

What this shows Cameron holds 692 patents at rank #644, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Cameron

By rank, the assignees closest to #644 in granted patent volume.

Leaders in E21B (Earth OR Rock Drilling)

Other assignees with the most granted patents in Cameron's primary technology class.

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Cameron, neither rank-band nor same-CPC leaders (those blocks stay above). In E21B (Earth OR Rock Drilling), Cameron ranks #8 of 1,363 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (62 here).

Medos International Sarl 62 Fisher Controls International LLC 62 Wirtgen GmbH 62 Illumina Cambridge Limited 62

Similar claim depth

Nearest assignees by average claims per patent (18.2 here).

Hunter Douglas Inc. 18.2 avg Google LLC 18.2 avg WhatsApp LLC 18.2 avg Mattson Technology, Inc. 18.2 avg

Cameron's Innovation Score vs. every tracked assignee

Composite of portfolio volume, grant velocity, technology breadth, and claim depth (0–100)

62 Top 3% higher than 97% of 49,997 US assignees

Each bar is a band; taller bars hold more US assignees. The dashed line + filled bar mark this entry. Hover or tap any bar for its full count, share, and where it sits relative to this entry.

Source USPTO PatentsView, PlainPatent Innovation Score · 2015–2025

USPTO utility patent grants by year · 2015–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

Cameron International Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	91	13.2%
2016	59	8.5%
2017	99	14.3%
2018	124	17.9%
2019	106	15.3%
2020	62	9.0%
2021	31	4.5%
2022	31	4.5%
2023	30	4.3%
2024	42	6.1%
2025partial year	17	2.5%

Which technologies does Cameron International Corporation patent most?

E21B - Earth OR Rock DRILLING; Obtaining OIL, GAS, Water, Soluble OR Meltable Materials OR A Slurry OF Minerals From Wells 514

F16K - VALVES; TAPS; COCKS; ACTUATING-FLOATS; Devices FOR Venting OR Aerating 136

Y10T - Technical Subjects Covered BY Former US Classification 88

B01D - Separation 52

F16L - PIPES; Joints OR Fittings FOR PIPES; Supports FOR Pipes, Cables OR Protective TUBING; Means FOR Thermal Insulation IN General 52

G01F - Measuring Volume, Volume Flow, Mass Flow OR Liquid LEVEL; Metering BY Volume 39

F15B - Systems Acting BY Means OF Fluids IN GENERAL; Fluid-pressure Actuators, e.g. SERVOMOTORS; Details OF Fluid-pressure Systems, NOT Otherwise Provided FOR 20

G05D - Systems FOR Controlling OR Regulating Non-electric Variables 19

C10G - 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 18

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 17

F16J - Pistons ; CYLINDERS; Sealings 16

C09K - Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere 13

C02F - Treatment OF Water, Waste Water, Sewage, OR Sludge 11

C07C - Acyclic OR Carbocyclic Compounds 11

C10L - Fuels NOT Otherwise Provided FOR; Natural GAS; Synthetic Natural GAS Obtained BY Processes NOT Covered BY Subclasses C10g OR C10K; Liquified Petroleum GAS; USE OF Additives TO Fuels OR FIRES; Fire-lighters 10

Top 15 of 120 technology areas

More on this record

Data Source

USPTO PatentsView, US granted patents 2015–2025

View all rankings → How is Innovation Score calculated?

What to do with this data

Cameron International Corporation's patent record in context - here's where to go next.

Cameron International Corporation's lead technology class is E21B (Earth OR Rock DRILLING; Obtaining OIL, GAS, Water, Soluble OR Meltable Materials OR A Slurry OF Minerals From Wells), 74.3% of its portfolio - see every assignee active in that class. Explore E21B
Ranked #644 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Cameron International Corporation against Arizona Board of Regents on Behalf of the University of Arizona, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 62.0/100 blends volume, velocity, technology breadth, and claim depth. How it's calculated

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

Data sourced from USPTO PatentsView - official U.S. government patent data. See our methodology for computation details. Retrieved and formatted by PlainPatent

Disclaimer: This information is provided for informational purposes only and does not constitute professional advice. Data is sourced from the USPTO PatentsView database. Consult a qualified professional before making decisions based on this data.

Read our methodology - how this data is sourced, computed, and verified.

Data sources used on this page

USPTO PatentsView - the disambiguated bulk patent-grant, assignee, and CPC data this page's figures are derived from. patentsview.org
Cooperative Patent Classification (CPC) - the joint USPTO/EPO classification scheme used to group patents by technology area. cooperativepatentclassification.org
USPTO Patent Public Search - the official interface to verify the status of any individual patent. ppubs.uspto.gov

Compiled by PlainPatent , US Patent Intelligence Editorial Process · May 15, 2026

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. Data current as of May 2026.