Where does City Labs, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), City Labs, Inc. ranks #19,603 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 City Labs, Inc. hold?

City Labs, Inc. holds 14 US utility patents granted between 2016 and 2024, spanning 5 technology areas.

What is City Labs, Inc.'s Innovation Score?

City Labs, Inc. has an Innovation Score of 39.5 out of 100 (top 38% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is City Labs, Inc.'s patent grant rate increasing or decreasing?

City Labs, Inc.'s recent grant velocity is +33% compared to the prior five-year period (grant years, not application filing dates). The company is maintaining or growing its granted-patent output.

What does claim depth mean for City Labs, Inc.'s patents?

City Labs, Inc.'s patents average 14.8 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 City Labs, 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

City Labs, Inc.

Q: What technology areas does City Labs, Inc. focus on?

City Labs, Inc.'s top technology area is G21H (Obtaining Energy From Radioactive SOURCES; Applications OF Radiation From Radioactive Sources, NOT Otherwise Provided FOR; Utilising Cosmic Radiation) with 14 patents, ranking #1 of 18 assignees active in that subclass. Grants appear in 5 CPC subclasses total.

USPTO PatentsView assignee record - 14 granted patents across 5 technology areas, recorded in grant years 2016–2024. 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: G21H (Obtaining Energy From Radioactive SOURCES; Applications OF Radiation From Radioactive Sources, NOT Otherwise Provided FOR; Utilising Cosmic Radiation).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, City ranks #19,603 of 49,997 tracked US assignees by granted-patent volume, with 14 patents across 5 technology areas.

#19,603
of 49,997 US assignees by volume: Top 38%
by Innovation Score (39.5/100): 14.8
avg claims per patent: +33%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R19603 · US Corporation #19,603 · 14 grants

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

GRANTS-MICRO 14 grants
MID-PACK #19,603/49,997
PHOTO-FINISH Checkmate Lifting &…
CPC-NARROW G21H · 5 areas
INNOV-THIN 39.5/100
CLAIMS-RICH 14.8 claims/avg
TYPE-USCORP US Corporation
VEL-UP +33% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Checkmate Lifting & Safety 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.

How City’s 39.5 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 9.4 pts (24%) Velocity 13.3 pts (34%) Breadth 7.9 pts (20%) Claim depth 8.9 pts (23%)

Qualcomm Incorporated · highest

85
City Labs · this assignee

39
3D Lighting… · lowest

7

What this shows City's Innovation Score is 39.5/100 (top 38% 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 City?

Each dot is one of City’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). City’s own 14.8 claims/patent is ABOVE the 11.9 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where City's grants concentrate

City Labs, Inc. is a focused PatentsView assignee: 5 CPC subclasses with 100% of grants classified under G21H (Obtaining Energy From Radioactive SOURCES; Applications OF Radiation From Radioactive Sources, NOT Otherwise Provided FOR; Utilising Cosmic Radiation). Peak complete grant year is 2017 (3 grants) versus a trough of 1 in 2016. By volume, City sits between Checkmate Lifting & Safety Ltd and Clearag, Inc..

City's three-year grant acceleration

City Labs, Inc. shows 6 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.

Checkmate Lifting…

14
China Pneumatic

14
China Wonderland…

14
Cima S P A

14
CJ Healthcare

14
Claas Industriete…

14
Clarke Mosquito C…

14
Clearag

14
City Labs ◀

14

What this shows City holds 14 patents at rank #19,578, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near City

By rank, the assignees closest to #19,578 in granted patent volume.

Leaders in G21H (Obtaining Energy From Radioactive Sources)

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

City's Innovation Score vs. every tracked assignee

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

39 Top 38% higher than 62% 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 · 2016–2024

Grants by year

Teal-shaded recent years (2020–present) versus the 2016–2019 baseline. Full figures in the table below.

View data table

City Labs, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	1	7.1%
2017	3	21.4%
2018	1	7.1%
2019	1	7.1%
2020	1	7.1%
2021	1	7.1%
2022	2	14.3%
2023	1	7.1%
2024	3	21.4%

Which technologies does City Labs, Inc. patent most?

G21H - Obtaining Energy From Radioactive SOURCES; Applications OF Radiation From Radioactive Sources, NOT Otherwise Provided FOR; Utilising Cosmic Radiation 14

H10F - Inorganic Semiconductor Devices Sensitive TO Infrared Radiation, Light, Electromagnetic Radiation OF Shorter Wavelength OR Corpuscular Radiation 9

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 3

A61N - ELECTROTHERAPY; MAGNETOTHERAPY; Radiation THERAPY; Ultrasound Therapy 3

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 3

Top 5 of 5 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

City Labs, Inc.'s patent record in context - here's where to go next.

City Labs, Inc.'s lead technology class is G21H (Obtaining Energy From Radioactive SOURCES; Applications OF Radiation From Radioactive Sources, NOT Otherwise Provided FOR; Utilising Cosmic Radiation), 100% of its portfolio - see every assignee active in that class. Explore G21H
Ranked #19,603 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare City Labs, Inc. against Checkmate Lifting & Safety Ltd, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 39.5/100 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.