Where does HilFlo, LLC rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), HilFlo, LLC ranks #47,427 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 HilFlo, LLC hold?

HilFlo, LLC holds 5 US utility patents granted between 2018 and 2019, spanning 3 technology areas.

What is HilFlo, LLC's Innovation Score?

HilFlo, LLC has an Innovation Score of 16.6 out of 100 (4th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does HilFlo, LLC focus on?

HilFlo, 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 5 patents, ranking #669 of 1,363 assignees active in that subclass. Grants appear in 3 CPC subclasses total.

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

HilFlo, LLC's recent grant velocity is -100% 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 HilFlo, LLC's patents?

HilFlo, LLC's patents average 7.2 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 HilFlo, 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

HilFlo, LLC

USPTO PatentsView assignee record - 5 granted patents across 3 technology areas, recorded in grant years 2018–2019. 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, Hilflo ranks #47,427 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 3 technology areas.

#47,427
of 49,997 US assignees by volume: 4th percentile
by Innovation Score (16.6/100): 7.2
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R47427 · US Corporation #47,427 · 5 grants

GRANTS-MICRO · BOTTOM-DECILE · PHOTO-FINISH · CPC-NARROW · INNOV-LOW · CLAIMS-SPARSE · TYPE-USCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 5 grants
BOTTOM-DECILE #47,427/49,997
PHOTO-FINISH Highland Specialty…
CPC-NARROW E21B · 3 areas
INNOV-LOW 16.6/100
CLAIMS-SPARSE 7.2 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Highland Specialty Grains, Inc. (±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 Hilflo’s 16.6 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 6.2 pts (37%) Velocity 0.0 pts (0%) Breadth 6.1 pts (37%) Claim depth 4.3 pts (26%)

Qualcomm Incorporated · highest

85
HilFlo · this assignee

17
3D Lighting… · lowest

7

What this shows Hilflo's Innovation Score is 16.6/100 (4th 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 Hilflo?

Each dot is one of Hilflo’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). Hilflo’s own 7.2 claims/patent is at or below the 16.2 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Hilflo's grants concentrate

HilFlo, LLC is a focused PatentsView assignee: 3 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 2019 (3 grants) versus a trough of 2 in 2018. By volume, Hilflo sits between Highland Specialty Grains, Inc. and Hipshot Products, Inc..

Highland Specialt…

5
Highlands Solutio…

5
Highlight Games

5
Highway Equipment

5
Hillerich & Brads…

5
Hilton Internatio…

5
Hippo Analytics

5
Hipshot Products

5
Hilflo ◀

5

What this shows HilFlo holds 5 patents at rank #47,512, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near HilFlo

By rank, the assignees closest to #47,512 in granted patent volume.

Leaders in E21B (Earth OR Rock Drilling)

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

Hilflo's Innovation Score vs. every tracked assignee

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

17 4th percentile higher than 4% 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 · 2018–2019

Grants by year

Teal-shaded recent years (2020–present) versus the 2018–2019 baseline. Full figures in the table below.

View data table

HilFlo, LLC patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2018	2	40.0%
2019	3	60.0%

Which technologies does HilFlo, LLC patent most?

E21B - Earth OR Rock DRILLING; Obtaining OIL, GAS, Water, Soluble OR Meltable Materials OR A Slurry OF Minerals From Wells 5

G01M - Testing Static OR Dynamic Balance OF Machines OR STRUCTURES; Testing OF Structures OR Apparatus, NOT Otherwise Provided FOR 4

F28F - Details OF Heat-exchange AND Heat-transfer Apparatus, OF General Application 1

Top 3 of 3 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

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

HilFlo, 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), 100% of its portfolio - see every assignee active in that class. Explore E21B
Ranked #47,427 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare HilFlo, LLC against Highland Specialty Grains, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 16.6/100 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.