Where does Holystone USA, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Holystone USA, Inc. ranks #40,731 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 Holystone USA, Inc. hold?

Holystone USA, Inc. holds 6 US utility patents granted between 2017 and 2020, spanning 8 technology areas.

What is Holystone USA, Inc.'s Innovation Score?

Holystone USA, Inc. has an Innovation Score of 26.7 out of 100 (21st percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Holystone USA, Inc.'s patent grant rate increasing or decreasing?

Holystone USA, Inc.'s recent grant velocity is -80% 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 Holystone USA, Inc.'s patents?

Holystone USA, Inc.'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 Holystone USA, Inc. 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

Holystone USA, Inc.

Q: What technology areas does Holystone USA, Inc. focus on?

Holystone USA, Inc.'s top technology area is F17C (Vessels FOR Containing OR Storing Compressed, Liquefied OR Solidified GASES; Fixed-capacity GAS-HOLDERS; Filling Vessels With, OR Discharging From Vessels, Compressed, Liquefied, OR Solidified Gases) with 5 patents, ranking #72 of 408 assignees active in that subclass. Grants appear in 8 CPC subclasses total.

USPTO PatentsView assignee record - 6 granted patents across 8 technology areas, recorded in grant years 2017–2020. 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: F17C (Vessels FOR Containing OR Storing Compressed, Liquefied OR Solidified GASES; Fixed-capacity GAS-HOLDERS; Filling Vessels With, OR Discharging From Vessels, Compressed, Liquefied, OR Solidified Gases).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Holystone ranks #40,731 of 49,997 tracked US assignees by granted-patent volume, with 6 patents across 8 technology areas.

#40,731
of 49,997 US assignees by volume: 21st percentile
by Innovation Score (26.7/100): 16.7
avg claims per patent: -80%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R40731 · US Corporation #40,731 · 6 grants

GRANTS-MICRO · LOWER-Q · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-RICH · TYPE-USCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 6 grants
LOWER-Q #40,731/49,997
PHOTO-FINISH Hokuetsu
CPC-NARROW F17C · 8 areas
INNOV-THIN 26.7/100
CLAIMS-RICH 16.7 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -80% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Hokuetsu Corporation (±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 Holystone’s 26.7 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 6.7 pts (25%) Velocity 0.0 pts (0%) Breadth 10.0 pts (37%) Claim depth 10.0 pts (37%)

Qualcomm Incorporated · highest

85
Holystone USA · this assignee

27
3D Lighting… · lowest

7

What this shows Holystone's Innovation Score is 26.7/100 (21st 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 Holystone?

Each dot is one of Holystone’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). Holystone’s own 16.7 claims/patent is ABOVE the 8.3 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Holystone's grants concentrate

Holystone USA, Inc. is a focused PatentsView assignee: 8 CPC subclasses with 83.3% of grants classified under F17C (Vessels FOR Containing OR Storing Compressed, Liquefied OR Solidified GASES; Fixed-capacity GAS-HOLDERS; Filling Vessels With, OR Discharging From Vessels, Compressed, Liquefied, OR Solidified Gases). Peak complete grant year is 2018 (2 grants) versus a trough of 1 in 2017. By volume, Holystone sits between Hokuetsu Corporation and Honey Wells Inc..

Hokuetsu

6
Holden Forests AN…

6
Holmbergs Safety…

6
Holo Surgical

6
Home Improvement…

6
Homeserve

6
Honey Science

6
Honey Wells

6
Holystone USA ◀

6

What this shows Holystone holds 6 patents at rank #40,653, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Holystone

By rank, the assignees closest to #40,653 in granted patent volume.

Leaders in F17C (Vessels FOR Containing OR Storing Compressed)

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

Holystone's Innovation Score vs. every tracked assignee

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

27 21st percentile higher than 21% 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 · 2017–2020

Grants by year

Teal-shaded recent years (2020–present) versus the 2017–2019 baseline. Full figures in the table below.

View data table

Holystone USA, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2017	1	16.7%
2018	2	33.3%
2019	2	33.3%
2020	1	16.7%

Which technologies does Holystone USA, Inc. patent most?

F17C - Vessels FOR Containing OR Storing Compressed, Liquefied OR Solidified GASES; Fixed-capacity GAS-HOLDERS; Filling Vessels With, OR Discharging From Vessels, Compressed, Liquefied, OR Solidified Gases 5

F17D - Pipe-line SYSTEMS; Pipe-lines 2

B29L - Indexing Scheme Associated With Subclass B29c, Relating TO Particular Articles 1

B29C - Shaping OR Joining OF PLASTICS; Shaping OF Material IN A Plastic State, NOT Otherwise Provided FOR; After-treatment OF THE Shaped Products, e.g. Repairing 1

B29K - Indexing Scheme Associated With Subclasses B29b, B29c OR B29d, Relating TO Moulding Materials OR TO Materials FOR ; Moulds, ; Reinforcements, Fillers OR Preformed Parts, e.g. Inserts 1

B28B - Shaping Clay OR Other Ceramic COMPOSITIONS; Shaping SLAG; Shaping Mixtures Containing Cementitious Material, e.g. Plaster 1

B60S - Servicing, Cleaning, Repairing, Supporting, Lifting, OR Manoeuvring OF Vehicles, NOT Otherwise Provided FOR 1

B67D - Dispensing, Delivering OR Transferring Liquids, NOT Otherwise Provided FOR 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

Holystone USA, Inc.'s patent record in context - here's where to go next.

Holystone USA, Inc.'s lead technology class is F17C (Vessels FOR Containing OR Storing Compressed, Liquefied OR Solidified GASES; Fixed-capacity GAS-HOLDERS; Filling Vessels With, OR Discharging From Vessels, Compressed, Liquefied, OR Solidified Gases), 83.3% of its portfolio - see every assignee active in that class. Explore F17C
Ranked #40,731 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Holystone USA, Inc. against Hokuetsu Corporation, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 26.7/100 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.