Where does Stone Aerospace, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Stone Aerospace, Inc. ranks #14,298 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 Stone Aerospace, Inc. hold?

Stone Aerospace, Inc. holds 21 US utility patents granted between 2017 and 2025, spanning 14 technology areas.

What is Stone Aerospace, Inc.'s Innovation Score?

Stone Aerospace, Inc. has an Innovation Score of 29.1 out of 100 (30th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Stone Aerospace, Inc.'s patent grant rate increasing or decreasing?

Stone Aerospace, Inc.'s recent grant velocity is +100% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Stone Aerospace, Inc.'s patents?

Stone Aerospace, Inc.'s patents average 7.8 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 Stone Aerospace, 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

Stone Aerospace, Inc.

Q: What technology areas does Stone Aerospace, Inc. focus on?

Stone Aerospace, Inc.'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 15 patents, ranking #241 of 1,363 assignees active in that subclass. Grants appear in 14 CPC subclasses total.

USPTO PatentsView assignee record - 21 granted patents across 14 technology areas, recorded in grant years 2017–2025. 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, Stone ranks #14,298 of 49,997 tracked US assignees by granted-patent volume, with 21 patents across 14 technology areas.

#14,298
of 49,997 US assignees by volume: 30th percentile
by Innovation Score (29.1/100): 7.8
avg claims per patent: +100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R14298 · US Corporation #14,298 · 21 grants

GRANTS-SMALL · MID-PACK · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-SPARSE · TYPE-USCORP · VEL-SURGE · BOOK-FULL

GRANTS-SMALL 21 grants
MID-PACK #14,298/49,997
PHOTO-FINISH Spirox
CPC-FOCUS E21B · 14 areas
INNOV-THIN 29.1/100
CLAIMS-SPARSE 7.8 claims/avg
TYPE-USCORP US Corporation
VEL-SURGE +100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Spirox, 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 Stone’s 29.1 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 10.7 pts (37%) Velocity 0.5 pts (2%) Breadth 13.2 pts (45%) Claim depth 4.7 pts (16%)

Qualcomm Incorporated · highest

85
Stone Aerospace · this assignee

29
3D Lighting… · lowest

7

What this shows Stone's Innovation Score is 29.1/100 (30th 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 Stone?

Each dot is one of Stone’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). Stone’s own 7.8 claims/patent is at or below the 13.1 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Stone's grants concentrate

Stone Aerospace, Inc. is a focused PatentsView assignee: 14 CPC subclasses with 71.4% 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 2020 (11 grants) versus a trough of 1 in 2017. By volume, Stone sits between Spirox, Inc. and Synata Bio, Inc..

Stone's three-year grant acceleration

Stone Aerospace, Inc. shows 1 grants in 2022–2024 against only 13 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.

Spirox

21
Sportsbox ai

21
Stanadyne

21
Stein Seal

21
Storopack Hans Re…

21
Strato

21
Suretint

21
Synata Bio

21
Stone Aerospace ◀

21

What this shows Stone holds 21 patents at rank #14,300, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Stone

By rank, the assignees closest to #14,300 in granted patent volume.

Leaders in E21B (Earth OR Rock Drilling)

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

Stone's Innovation Score vs. every tracked assignee

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

29 30th percentile higher than 30% 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 · 2017–2025

Grants by year

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

View data table

Stone Aerospace, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2017	1	4.8%
2018	3	14.3%
2019	2	9.5%
2020	11	52.4%
2022	1	4.8%
2025partial year	3	14.3%

Which technologies does Stone Aerospace, Inc. patent most?

E21B - Earth OR Rock DRILLING; Obtaining OIL, GAS, Water, Soluble OR Meltable Materials OR A Slurry OF Minerals From Wells 15

G02B - Optical Elements, Systems OR Apparatus 14

H10N - Electric Solid-state Devices NOT Otherwise Provided FOR 14

B64D - Equipment FOR Fitting IN OR TO AIRCRAFT; Flight SUITS; PARACHUTES; Arrangement OR Mounting OF Power Plants OR Propulsion Transmissions IN Aircraft 12

H02J - Circuit Arrangements OR Systems FOR Supplying OR Distributing Electric POWER; Systems FOR Storing Electric Energy 12

B63B - Ships OR Other Waterborne VESSELS; Equipment FOR Shipping 4

B63G - Offensive OR Defensive Arrangements ON VESSELS; MINE-LAYING; MINE-SWEEPING; SUBMARINES; Aircraft Carriers 4

B64G - COSMONAUTICS; Vehicles OR Equipment Therefor 2

B63C - Launching, Hauling-out, OR Dry-docking OF VESSELS; Life-saving IN WATER; Equipment FOR Dwelling OR Working Under WATER; Means FOR Salvaging OR Searching FOR Underwater Objects 2

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 2

H02S - Generation OF Electric Power BY Conversion OF Infrared Radiation, Visible Light OR Ultraviolet Light, e.g. Using Photovoltaic [PV] Modules 2

H10F - Inorganic Semiconductor Devices Sensitive TO Infrared Radiation, Light, Electromagnetic Radiation OF Shorter Wavelength OR Corpuscular Radiation 2

B23K - Soldering OR UNSOLDERING; WELDING; Cladding OR Plating BY Soldering OR WELDING; Cutting BY Applying Heat Locally, e.g. Flame CUTTING; Working BY Laser Beam 1

F24H - Fluid Heaters, e.g. Water OR AIR Heaters, Having Heat-generating Means, e.g. Heat Pumps, IN General 1

Top 14 of 14 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

Stone Aerospace, Inc.'s patent record in context - here's where to go next.

Stone Aerospace, Inc.'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), 71.4% of its portfolio - see every assignee active in that class. Explore E21B
Ranked #14,298 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Stone Aerospace, Inc. against Spirox, Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 29.1/100 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.