Where does Sondex Wireline Limited rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Sondex Wireline Limited ranks #25,256 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 Sondex Wireline Limited hold?

Sondex Wireline Limited holds 11 US utility patents granted between 2015 and 2021, spanning 10 technology areas.

What is Sondex Wireline Limited's Innovation Score?

Sondex Wireline Limited has an Innovation Score of 29.8 out of 100 (32nd percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Sondex Wireline Limited's patent grant rate increasing or decreasing?

Sondex Wireline Limited's recent grant velocity is -17% 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 Sondex Wireline Limited's patents?

Sondex Wireline Limited's patents average 16.7 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 Sondex Wireline 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

Sondex Wireline Limited

Q: What technology areas does Sondex Wireline Limited focus on?

Sondex Wireline 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 10 patents, ranking #372 of 1,363 assignees active in that subclass. Grants appear in 10 CPC subclasses total.

USPTO PatentsView assignee record - 11 granted patents across 10 technology areas, recorded in grant years 2015–2021. 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, Sondex ranks #25,256 of 49,997 tracked US assignees by granted-patent volume, with 11 patents across 10 technology areas.

#25,256
of 49,997 US assignees by volume: 32nd percentile
by Innovation Score (29.8/100): 16.7
avg claims per patent: -17%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R25256 · Foreign Corporation #25,256 · 11 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-RICH · TYPE-FRNCORP · VEL-DOWN · BOOK-FULL

GRANTS-MICRO 11 grants
MID-PACK #25,256/49,997
PHOTO-FINISH Societe Pour LA…
CPC-FOCUS E21B · 10 areas
INNOV-THIN 29.8/100
CLAIMS-RICH 16.7 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -17% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Societe Pour LA Conception DES Applications DES Techniques Electroniques (±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 Sondex’s 29.8 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 8.6 pts (29%) Velocity 0.0 pts (0%) Breadth 11.2 pts (38%) Claim depth 10.0 pts (34%)

Qualcomm Incorporated · highest

85
Sondex Wireline · this assignee

30
3D Lighting… · lowest

7

What this shows Sondex's Innovation Score is 29.8/100 (32nd percentile 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 Sondex?

Each dot is one of Sondex’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). Sondex’s own 16.7 claims/patent is ABOVE the 15.8 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Sondex's grants concentrate

Sondex Wireline Limited is a focused PatentsView assignee: 10 CPC subclasses with 90.9% 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 (5 grants) versus a trough of 1 in 2017. By volume, Sondex sits between Societe Pour LA Conception DES Applications DES Techniques Electroniques and SPF Technologies LLC.

Societe Pour LA C…

11
Sofics Bvba

11
Solaris Oilfield…

11
Solvay Solexis S…

11
Specialized Desan…

11
Speclipse

11
Spectrum Optix

11
SPF

11
Sondex Wireline ◀

11

What this shows Sondex holds 11 patents at rank #25,177, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Sondex

By rank, the assignees closest to #25,177 in granted patent volume.

Leaders in E21B (Earth OR Rock Drilling)

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

Sondex's Innovation Score vs. every tracked assignee

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

30 32nd percentile higher than 32% 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 · 2015–2021

Grants by year

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

View data table

Sondex Wireline Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	2	18.2%
2017	1	9.1%
2018	3	27.3%
2021	5	45.5%

Which technologies does Sondex Wireline Limited patent most?

E21B - Earth OR Rock DRILLING; Obtaining OIL, GAS, Water, Soluble OR Meltable Materials OR A Slurry OF Minerals From Wells 10

G01V - GEOPHYSICS; Gravitational MEASUREMENTS; Detecting Masses OR OBJECTS; Tags 4

F25B - Refrigeration Machines, Plants OR SYSTEMS; Combined Heating AND Refrigeration SYSTEMS; Heat Pump Systems 1

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 1

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 1

G11C - Static Stores 1

G01L - Measuring Force, Stress, Torque, Work, Mechanical Power, Mechanical Efficiency, OR Fluid Pressure 1

G02B - Optical Elements, Systems OR Apparatus 1

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 1

F16H - Gearing 1

Top 10 of 10 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

Sondex Wireline Limited's patent record in context - here's where to go next.

Sondex Wireline 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), 90.9% of its portfolio - see every assignee active in that class. Explore E21B
Ranked #25,256 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Sondex Wireline Limited against Societe Pour LA Conception DES Applications DES Techniques Electroniques, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 29.8/100 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.