Where does Apollo Fire Detectors Limited rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Apollo Fire Detectors Limited ranks #44,769 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 Apollo Fire Detectors Limited hold?

Apollo Fire Detectors Limited holds 5 US utility patents granted between 2017 and 2023, spanning 8 technology areas.

What is Apollo Fire Detectors Limited's Innovation Score?

Apollo Fire Detectors Limited has an Innovation Score of 36.6 out of 100 (top 46% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Apollo Fire Detectors Limited focus on?

Apollo Fire Detectors Limited's top technology area is G08B (Signalling OR Calling SYSTEMS; Order TELEGRAPHS; Alarm Systems) with 3 patents, ranking #708 of 2,091 assignees active in that subclass. Grants appear in 8 CPC subclasses total.

Is Apollo Fire Detectors Limited's patent grant rate increasing or decreasing?

Apollo Fire Detectors Limited's recent grant velocity is -33% 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 Apollo Fire Detectors Limited's patents?

Apollo Fire Detectors Limited's patents average 11.8 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 Apollo Fire Detectors Limited 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 Foreign Corporation

Apollo Fire Detectors Limited

USPTO PatentsView assignee record - 5 granted patents across 8 technology areas, recorded in grant years 2017–2023. 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: G08B (Signalling OR Calling SYSTEMS; Order TELEGRAPHS; Alarm Systems).

Compiled by PlainPatent · May 15, 2026

RSS updates for this company

Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Apollo ranks #44,769 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 8 technology areas.

#44,769
of 49,997 US assignees by volume: Top 46%
by Innovation Score (36.6/100): 11.8
avg claims per patent: -33%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R44769 · Foreign Corporation #44,769 · 5 grants

GRANTS-MICRO · LOWER-Q · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-PAR · TYPE-FRNCORP · VEL-DOWN · BOOK-FULL

GRANTS-MICRO 5 grants
LOWER-Q #44,769/49,997
PHOTO-FINISH Apalta Patents OÜ
CPC-NARROW G08B · 8 areas
INNOV-THIN 36.6/100
CLAIMS-PAR 11.8 claims/avg
TYPE-FRNCORP Foreign Corp
VEL-DOWN -33% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Apalta Patents OÜ (±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 Apollo’s 36.6 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 (17%) Velocity 13.3 pts (36%) Breadth 10.0 pts (27%) Claim depth 7.1 pts (19%)

Qualcomm Incorporated · highest

85
Apollo Fire Detectors · this assignee

37
3D Lighting… · lowest

7

What this shows Apollo's Innovation Score is 36.6/100 (top 46% 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 Apollo?

Each dot is one of Apollo’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). Apollo’s own 11.8 claims/patent is ABOVE the 10.4 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Apollo's grants concentrate

Apollo Fire Detectors Limited is a focused PatentsView assignee: 8 CPC subclasses with 60% of grants classified under G08B (Signalling OR Calling SYSTEMS; Order TELEGRAPHS; Alarm Systems). By volume, Apollo sits between Apalta Patents OÜ and Aprevent Medical Inc..

Apollo's three-year grant acceleration

Apollo Fire Detectors Limited shows 2 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.

Apalta Patents OÜ

5
Apart Audio Naaml…

5
Apitope Technolog…

5
Apium

5
Applestone Meat

5
Applied Research…

5
APR AB

5
Aprevent Medical

5
Apollo Fire Detec… ◀

5

What this shows Apollo holds 5 patents at rank #44,582, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Apollo

By rank, the assignees closest to #44,582 in granted patent volume.

Leaders in G08B (Signalling OR Calling Systems)

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

Apollo's Innovation Score vs. every tracked assignee

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

37 Top 46% higher than 54% 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 · 2017–2023

Grants by year

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

View data table

Apollo Fire Detectors Limited patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2017	1	20.0%
2018	1	20.0%
2019	1	20.0%
2022	1	20.0%
2023	1	20.0%

Which technologies does Apollo Fire Detectors Limited patent most?

G08B - Signalling OR Calling SYSTEMS; Order TELEGRAPHS; Alarm Systems 3

G02B - Optical Elements, Systems OR Apparatus 1

G01N - Investigating OR Analysing Materials BY Determining Their Chemical OR Physical Properties 1

F21V - Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR 1

H03K - Pulse Technique 1

H01H - Electric SWITCHES; RELAYS; SELECTORS; Emergency Protective Devices 1

H02H - Emergency Protective Circuit Arrangements 1

H04L - Transmission OF Digital Information, e.g. Telegraphic Communication 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

Apollo Fire Detectors Limited's patent record in context - here's where to go next.

Apollo Fire Detectors Limited's lead technology class is G08B (Signalling OR Calling SYSTEMS; Order TELEGRAPHS; Alarm Systems), 60% of its portfolio - see every assignee active in that class. Explore G08B
Ranked #44,769 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Apollo Fire Detectors Limited against Apalta Patents OÜ, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 36.6/100 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.