Where does Grafton Schools, Inc rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Grafton Schools, Inc ranks #35,545 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 Grafton Schools, Inc hold?

Grafton Schools, Inc holds 7 US utility patents granted between 2017 and 2022, spanning 3 technology areas.

What is Grafton Schools, Inc's Innovation Score?

Grafton Schools, Inc has an Innovation Score of 22.8 out of 100 (11th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Grafton Schools, Inc's patent grant rate increasing or decreasing?

Grafton Schools, Inc's recent grant velocity is -60% 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 Grafton Schools, Inc's patents?

Grafton Schools, Inc's patents average 4.7 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 Grafton Schools, 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

Grafton Schools, Inc

Q: What technology areas does Grafton Schools, Inc focus on?

Grafton Schools, Inc's top technology area is F41H (ARMOUR; Armoured TURRETS; Armoured OR Armed VEHICLES; Means OF Attack OR Defence, e.g. Camouflage, IN General) with 3 patents. Grants appear in 3 CPC subclasses total.

USPTO PatentsView assignee record - 7 granted patents across 3 technology areas, recorded in grant years 2017–2022. 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: F41H (ARMOUR; Armoured TURRETS; Armoured OR Armed VEHICLES; Means OF Attack OR Defence, e.g. Camouflage, IN General).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Grafton ranks #35,545 of 49,997 tracked US assignees by granted-patent volume, with 7 patents across 3 technology areas.

#35,545
of 49,997 US assignees by volume: 11th percentile
by Innovation Score (22.8/100): 4.7
avg claims per patent: -60%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R35545 · US Corporation #35,545 · 7 grants

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

GRANTS-MICRO 7 grants
MID-PACK #35,545/49,997
PHOTO-FINISH Gong Fong Enterprise
CPC-NARROW F41H · 3 areas
INNOV-THIN 22.8/100
CLAIMS-SPARSE 4.7 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -60% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Gong Fong Enterprise Co., Ltd. (±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.

Qualcomm Incorporated · highest

85
Grafton Schools · this assignee

23
3D Lighting… · lowest

7

What this shows Grafton's Innovation Score is 22.8/100 (11th 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.

Where Grafton's grants concentrate

Grafton Schools, Inc is a focused PatentsView assignee: 3 CPC subclasses with 42.9% of grants classified under F41H (ARMOUR; Armoured TURRETS; Armoured OR Armed VEHICLES; Means OF Attack OR Defence, e.g. Camouflage, IN General). Peak complete grant year is 2017 (4 grants) versus a trough of 1 in 2018. By volume, Grafton sits between Gong Fong Enterprise Co., Ltd. and Green Light Industries, Inc..

Grafton's three-year grant acceleration

Grafton Schools, Inc shows 1 grants in 2022–2024 against only 1 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.

Gong Fong Enterpr…

7
Gooddata

7
Goofboard Products

7
Gordon Sales

7
Grass & KG

7
Great Northern Re…

7
Green Cross Wellb…

7
Green Light Indus…

7
Grafton Schools ◀

7

What this shows Grafton holds 7 patents at rank #35,565, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Grafton

By rank, the assignees closest to #35,565 in granted patent volume.

Leaders in F41H (Armour)

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

Grafton's Innovation Score vs. every tracked assignee

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

23 11th percentile higher than 11% 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 · 2017–2022

Grants by year

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

View data table

Grafton Schools, Inc patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2017	4	57.1%
2018	1	14.3%
2020	1	14.3%
2022	1	14.3%

Which technologies does Grafton Schools, Inc patent most?

F41H - ARMOUR; Armoured TURRETS; Armoured OR Armed VEHICLES; Means OF Attack OR Defence, e.g. Camouflage, IN General 3

G09B - Educational OR Demonstration APPLIANCES; Appliances FOR Teaching, OR Communicating With, THE Blind, Deaf OR MUTE; MODELS; PLANETARIA; GLOBES; MAPS; Diagrams 3

A63B - Apparatus FOR Physical Training, Gymnastics, Swimming, Climbing, OR FENCING; Ball GAMES; Training Equipment 3

Top 3 of 3 technology areas

Where it ranks

Overall rank by patents

#35,545

of 49,997 tracked assignees

Innovation Score

22.8 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

What to do with this data

Grafton Schools, Inc's patent record in context - here's where to go next.

Grafton Schools, Inc's lead technology class is F41H (ARMOUR; Armoured TURRETS; Armoured OR Armed VEHICLES; Means OF Attack OR Defence, e.g. Camouflage, IN General), 42.9% of its portfolio - see every assignee active in that class. Explore F41H
Ranked #35,545 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Grafton Schools, Inc against Gong Fong Enterprise Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 22.8/100 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.