Where does Lufkin Industries, LLC rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Lufkin Industries, LLC ranks #24,729 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 Lufkin Industries, LLC hold?

Lufkin Industries, LLC holds 11 US utility patents granted between 2015 and 2020, spanning 13 technology areas.

What is Lufkin Industries, LLC's Innovation Score?

Lufkin Industries, LLC has an Innovation Score of 30.6 out of 100 (35th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Lufkin Industries, LLC's patent grant rate increasing or decreasing?

Lufkin Industries, LLC's recent grant velocity is -90% 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 Lufkin Industries, LLC's patents?

Lufkin Industries, LLC's patents average 15.4 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 Lufkin Industries, LLC 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

Lufkin Industries, LLC

Q: What technology areas does Lufkin Industries, LLC focus on?

Lufkin Industries, LLC'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 7 patents, ranking #483 of 1,363 assignees active in that subclass. Grants appear in 13 CPC subclasses total.

USPTO PatentsView assignee record - 11 granted patents across 13 technology areas, recorded in grant years 2015–2020. 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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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Lufkin ranks #24,729 of 49,997 tracked US assignees by granted-patent volume, with 11 patents across 13 technology areas.

#24,729
of 49,997 US assignees by volume: 35th percentile
by Innovation Score (30.6/100): 15.4
avg claims per patent: -90%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R24729 · US Corporation #24,729 · 11 grants

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

GRANTS-MICRO 11 grants
MID-PACK #24,729/49,997
PHOTO-FINISH Linx Printing
CPC-FOCUS E21B · 13 areas
INNOV-THIN 30.6/100
CLAIMS-RICH 15.4 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -90% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Linx Printing Technologies Limited (±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 Lufkin’s 30.6 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 (28%) Velocity 0.0 pts (0%) Breadth 12.7 pts (42%) Claim depth 9.2 pts (30%)

Qualcomm Incorporated · highest

85
Lufkin Industries · this assignee

31
3D Lighting… · lowest

7

What this shows Lufkin's Innovation Score is 30.6/100 (35th 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 Lufkin?

Each dot is one of Lufkin’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). Lufkin’s own 15.4 claims/patent is ABOVE the 14.6 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Lufkin's grants concentrate

Lufkin Industries, LLC is a focused PatentsView assignee: 13 CPC subclasses with 63.6% 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 2017 (6 grants) versus a trough of 1 in 2016. By volume, Lufkin sits between Linx Printing Technologies Limited and LzLabs GmbH.

Linx Printing

11
Liqwd

11
Lofelt

11
Lubby Holdings

11
Luminus

11
Lygos

11
Lyondellbasell Ad…

11
Lzlabs

11
Lufkin Industries ◀

11

What this shows Lufkin holds 11 patents at rank #24,718, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Lufkin

By rank, the assignees closest to #24,718 in granted patent volume.

Leaders in E21B (Earth OR Rock Drilling)

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

Lufkin's Innovation Score vs. every tracked assignee

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

31 35th percentile higher than 35% 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 · 2015–2020

Grants by year

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

View data table

Lufkin Industries, LLC patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	2	18.2%
2016	1	9.1%
2017	6	54.5%
2019	1	9.1%
2020	1	9.1%

Which technologies does Lufkin Industries, LLC patent most?

E21B - Earth OR Rock DRILLING; Obtaining OIL, GAS, Water, Soluble OR Meltable Materials OR A Slurry OF Minerals From Wells 7

F16C - SHAFTS; Flexible SHAFTS; Elements OR Crankshaft MECHANISMS; Rotary Bodies Other Than Gearing ELEMENTS; Bearings 4

Y10T - Technical Subjects Covered BY Former US Classification 3

F04B - Positive-displacement Machines FOR LIQUIDS; Pumps 2

B23P - Metal-working NOT Otherwise Provided FOR; Combined OPERATIONS; Universal Machine Tools 1

G01C - Measuring Distances, Levels OR BEARINGS; SURVEYING; NAVIGATION; Gyroscopic INSTRUMENTS; Photogrammetry OR Videogrammetry 1

G01B - Measuring Length, Thickness OR Similar Linear DIMENSIONS; Measuring ANGLES; Measuring AREAS; Measuring Irregularities OF Surfaces OR Contours 1

G01D - Measuring NOT Specially Adapted FOR A Specific VARIABLE; Arrangements FOR Measuring TWO OR More Variables NOT Covered IN A Single Other SUBCLASS; Tariff Metering APPARATUS; Measuring OR Testing NOT Otherwise Provided FOR 1

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

G01F - Measuring Volume, Volume Flow, Mass Flow OR Liquid LEVEL; Metering BY Volume 1

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

G08B - Signalling OR Calling SYSTEMS; Order TELEGRAPHS; Alarm Systems 1

G05B - Control OR Regulating Systems IN GENERAL; Functional Elements OF Such SYSTEMS; Monitoring OR Testing Arrangements FOR Such Systems OR Elements 1

Top 13 of 13 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

Lufkin Industries, LLC's patent record in context - here's where to go next.

Lufkin Industries, LLC'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), 63.6% of its portfolio - see every assignee active in that class. Explore E21B
Ranked #24,729 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Lufkin Industries, LLC against Linx Printing Technologies Limited, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 30.6/100 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.