Where does Metrol Technology Limited rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Metrol Technology Limited ranks #9,080 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 Metrol Technology Limited hold?

Metrol Technology Limited holds 35 US utility patents granted between 2016 and 2025, spanning 8 technology areas.

What is Metrol Technology Limited's Innovation Score?

Metrol Technology Limited has an Innovation Score of 46.8 out of 100 (top 20% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Metrol Technology Limited's patent grant rate increasing or decreasing?

Metrol Technology Limited's recent grant velocity is +480% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Metrol Technology Limited's patents?

Metrol Technology Limited's patents average 33.7 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 Metrol Technology Limited 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 Foreign Corporation

Metrol Technology Limited

Q: What technology areas does Metrol Technology Limited focus on?

Metrol Technology Limited'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 35 patents, ranking #96 of 1,363 assignees active in that subclass. Grants appear in 8 CPC subclasses total.

USPTO PatentsView assignee record - 35 granted patents across 8 technology areas, recorded in grant years 2016–2025. 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

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Metrol ranks #9,080 of 49,997 tracked US assignees by granted-patent volume, with 35 patents across 8 technology areas.

#9,080
of 49,997 US assignees by volume: Top 20%
by Innovation Score (46.8/100): 33.7
avg claims per patent: +480%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R9080 · Foreign Corporation #9,080 · 35 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-NARROW · INNOV-PAR · CLAIMS-DENSE · TYPE-FRNCORP · VEL-SURGE · BOOK-FULL

GRANTS-SMALL 35 grants
UPPER-Q #9,080/49,997
PHOTO-FINISH Lepton Computing
CPC-NARROW E21B · 8 areas
INNOV-PAR 46.8/100
CLAIMS-DENSE 33.7 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-SURGE +480% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Lepton Computing LLC (±0 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 Metrol’s 46.8 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 12.4 pts (26%) Velocity 9.4 pts (20%) Breadth 10.0 pts (21%) Claim depth 15.0 pts (32%)

Qualcomm Incorporated · highest

85
Innovative Micro… · near

47
Koch-Glitsch · near

47
Metrol Technology · this assignee

47
Realwear · near

47
Southern States · near

47
3D Lighting… · lowest

7

What this shows Metrol's Innovation Score is 46.8/100 (top 20% 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 Metrol?

Each dot is one of Metrol’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). Metrol’s own 33.7 claims/patent is ABOVE the 12.7 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Metrol's grants concentrate

Metrol Technology Limited is a focused PatentsView assignee: 8 CPC subclasses with 100% of grants classified under E21B (Earth OR Rock DRILLING; Obtaining OIL, GAS, Water, Soluble OR Meltable Materials OR A Slurry OF Minerals From Wells). Peak complete grant year is 2021 (10 grants) versus a trough of 1 in 2017. By volume, Metrol sits between Lepton Computing LLC and MRA Systems, LLC.

Metrol's three-year grant acceleration

Metrol Technology Limited shows 17 grants in 2022–2024 against only 12 in 2019–2021. That prior window is too thin for a growth multiple (rename and spin-out assignees look artificially high when the baseline is near zero), so PlainPatent withholds a ranked acceleration claim here.

Lepton Computing

35
Logistics and Sup…

35
Maersk Drilling A…

35
Mbda Deutschland

35
Miro

35
Mitsubishi Heavy…

35
Mitsubishi Steel…

35
MRA Systems

35
Metrol Technology ◀

35

What this shows Metrol holds 35 patents at rank #9,074, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Metrol

By rank, the assignees closest to #9,074 in granted patent volume.

Leaders in E21B (Earth OR Rock Drilling)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Metrol, neither rank-band nor same-CPC leaders (those blocks stay above). In E21B (Earth OR Rock Drilling), Metrol ranks #96 of 1,363 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (47 here).

Koch-Glitsch, LP 47 Southern States, LLC 47 Realwear, Inc. 47 Innovative Micro Technology 47

Metrol's Innovation Score vs. every tracked assignee

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

47 Top 20% higher than 80% 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 · 2016–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2016–2019 baseline. Full figures in the table below.

View data table

Metrol Technology Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	2	5.7%
2017	1	2.9%
2018	2	5.7%
2020	2	5.7%
2021	10	28.6%
2022	6	17.1%
2023	9	25.7%
2024	2	5.7%
2025partial year	1	2.9%

Which technologies does Metrol Technology Limited patent most?

E21B - Earth OR Rock DRILLING; Obtaining OIL, GAS, Water, Soluble OR Meltable Materials OR A Slurry OF Minerals From Wells 35

G01K - Measuring TEMPERATURE; Measuring Quantity OF HEAT; Thermally-sensitive Elements NOT Otherwise Provided FOR 5

H04B - Transmission 5

H02M - Apparatus FOR Conversion Between AC AND AC, Between AC AND DC, OR Between DC AND DC, AND FOR USE With Mains OR Similar Power Supply SYSTEMS; Conversion OF DC OR AC Input Power Into Surge Output POWER; Control OR Regulation Thereof 3

G01V - GEOPHYSICS; Gravitational MEASUREMENTS; Detecting Masses OR OBJECTS; Tags 1

H01F - MAGNETS; INDUCTANCES; TRANSFORMERS; Selection OF Materials FOR Their Magnetic Properties 1

H02J - Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy 1

H02K - Dynamo-electric Machines 1

Top 8 of 8 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

Metrol Technology Limited's patent record in context - here's where to go next.

Metrol Technology Limited'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), 100% of its portfolio - see every assignee active in that class. Explore E21B
Ranked #9,080 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Metrol Technology Limited against Lepton Computing LLC, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 46.8/100 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.