Where does Reaction Engines Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Reaction Engines Ltd. ranks #27,242 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 Reaction Engines Ltd. hold?

Reaction Engines Ltd. holds 10 US utility patents granted between 2017 and 2024, spanning 10 technology areas.

What is Reaction Engines Ltd.'s Innovation Score?

Reaction Engines Ltd. has an Innovation Score of 40.1 out of 100 (top 36% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Reaction Engines Ltd. focus on?

Reaction Engines Ltd.'s top technology area is F02K (Jet-propulsion Plants) with 9 patents, ranking #40 of 163 assignees active in that subclass. Grants appear in 10 CPC subclasses total.

Is Reaction Engines Ltd.'s patent grant rate increasing or decreasing?

Reaction Engines Ltd.'s recent grant velocity is +133% compared to the prior five-year period (grant years, not application filing dates). This indicates accelerating grant output.

What does claim depth mean for Reaction Engines Ltd.'s patents?

Reaction Engines Ltd.'s patents average 19.6 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 Reaction Engines Ltd. 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

Reaction Engines Ltd.

USPTO PatentsView assignee record - 10 granted patents across 10 technology areas, recorded in grant years 2017–2024. 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: F02K (Jet-propulsion Plants).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Reaction ranks #27,242 of 49,997 tracked US assignees by granted-patent volume, with 10 patents across 10 technology areas.

#27,242
of 49,997 US assignees by volume: Top 36%
by Innovation Score (40.1/100): 19.6
avg claims per patent: +133%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R27242 · US Corporation #27,242 · 10 grants

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

GRANTS-MICRO 10 grants
MID-PACK #27,242/49,997
PHOTO-FINISH Ramsey Winch
CPC-FOCUS F02K · 10 areas
INNOV-PAR 40.1/100
CLAIMS-RICH 19.6 claims/avg
TYPE-USCORP US Corporation
VEL-SURGE +133% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Ramsey Winch Company (±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 Reaction’s 40.1 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 8.3 pts (21%) Velocity 8.9 pts (22%) Breadth 11.2 pts (28%) Claim depth 11.8 pts (29%)

Qualcomm Incorporated · highest

85
Reaction Engines · this assignee

40
3D Lighting… · lowest

7

What this shows Reaction's Innovation Score is 40.1/100 (top 36% 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 Reaction?

Each dot is one of Reaction’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). Reaction’s own 19.6 claims/patent is ABOVE the 13.9 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Reaction's grants concentrate

Reaction Engines Ltd. is a focused PatentsView assignee: 10 CPC subclasses with 90% of grants classified under F02K (Jet-propulsion Plants). Peak complete grant year is 2021 (3 grants) versus a trough of 1 in 2017. By volume, Reaction sits between Ramsey Winch Company and Recruit Co., Ltd..

Reaction's three-year grant acceleration

Reaction Engines Ltd. shows 4 grants in 2022–2024 against only 3 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.

Ramsey Winch

10
Rapid Pure

10
Rayprus Technolog…

10
Raytheon Cyber Pr…

10
Real-time Innovat…

10
Reality Analytics

10
Recognition Robot…

10
Recruit

10
Reaction Engines ◀

10

What this shows Reaction holds 10 patents at rank #27,256, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Reaction

By rank, the assignees closest to #27,256 in granted patent volume.

Leaders in F02K (Jet-propulsion Plants)

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

Reaction's Innovation Score vs. every tracked assignee

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

40 Top 36% higher than 64% 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 · 2017–2024

Grants by year

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

View data table

Reaction Engines Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2017	1	10.0%
2018	2	20.0%
2021	3	30.0%
2023	2	20.0%
2024	2	20.0%

Which technologies does Reaction Engines Ltd. patent most?

F02K - Jet-propulsion Plants 9

F02C - Gas-turbine PLANTS; AIR Intakes FOR Jet-propulsion PLANTS; Controlling Fuel Supply IN Air-breathing Jet-propulsion Plants 9

F05D - Indexing Scheme FOR Aspects Relating TO Non-positive-displacement Machines OR Engines, Gas-turbines OR Jet-propulsion Plants 8

B64D - Equipment FOR Fitting IN OR TO AIRCRAFT; Flight SUITS; PARACHUTES; Arrangement OR Mounting OF Power Plants OR Propulsion Transmissions IN Aircraft 6

B64C - AEROPLANES; Helicopters 5

F28D - Heat-exchange Apparatus, NOT Provided FOR IN Another Subclass, IN Which THE Heat-exchange Media DO NOT Come Into Direct Contact 4

F28F - Details OF Heat-exchange AND Heat-transfer Apparatus, OF General Application 4

F01D - Non-positive Displacement Machines OR Engines, e.g. Steam Turbines 1

F16J - Pistons ; CYLINDERS; Sealings 1

B64G - COSMONAUTICS; Vehicles OR Equipment Therefor 1

Top 10 of 10 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

Reaction Engines Ltd.'s patent record in context - here's where to go next.

Reaction Engines Ltd.'s lead technology class is F02K (Jet-propulsion Plants), 90% of its portfolio - see every assignee active in that class. Explore F02K
Ranked #27,242 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Reaction Engines Ltd. against Ramsey Winch Company, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 40.1/100 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.