Where does Kenall Manufacturing Company rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Kenall Manufacturing Company ranks #4,090 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 Kenall Manufacturing Company hold?

Kenall Manufacturing Company holds 88 US utility patents granted between 2015 and 2024, spanning 18 technology areas.

What is Kenall Manufacturing Company's Innovation Score?

Kenall Manufacturing Company has an Innovation Score of 39.2 out of 100 (top 39% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Kenall Manufacturing Company's patent grant rate increasing or decreasing?

Kenall Manufacturing Company's recent grant velocity is -58% 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 Kenall Manufacturing Company's patents?

Kenall Manufacturing Company's patents average 11.3 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 Kenall Manufacturing Company 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

Kenall Manufacturing Company

Q: What technology areas does Kenall Manufacturing Company focus on?

Kenall Manufacturing Company's top technology area is F21Y (Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO THE Form OR THE Kind OF THE Light Sources OR OF THE Colour OF THE Light Emitted) with 38 patents, ranking #57 of 1,359 assignees active in that subclass. Grants appear in 18 CPC subclasses total.

USPTO PatentsView assignee record - 88 granted patents across 18 technology areas, recorded in grant years 2015–2024. 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: F21Y (Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO THE Form OR THE Kind OF THE Light Sources OR OF THE Colour OF THE Light Emitted).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Kenall ranks #4,090 of 49,997 tracked US assignees by granted-patent volume, with 88 patents across 18 technology areas.

#4,090
of 49,997 US assignees by volume: Top 39%
by Innovation Score (39.2/100): 11.3
avg claims per patent: -58%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R4090 · US Corporation #4,090 · 88 grants

GRANTS-SMALL · TOP-DECILE · PHOTO-FINISH · CPC-FOCUS · INNOV-THIN · CLAIMS-PAR · TYPE-USCORP · VEL-DROP · BOOK-FULL

GRANTS-SMALL 88 grants
TOP-DECILE #4,090/49,997
PHOTO-FINISH Ideastream Consumer…
CPC-FOCUS F21Y · 18 areas
INNOV-THIN 39.2/100
CLAIMS-PAR 11.3 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -58% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Ideastream Consumer Products, LLC (±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 Kenall’s 39.2 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 15.5 pts (40%) Velocity 1.9 pts (5%) Breadth 15.0 pts (38%) Claim depth 6.8 pts (17%)

Qualcomm Incorporated · highest

85
Atomic Design · near

39
Conexant Systems · near

39
Kenall Manufacturing · this assignee

39
Shanghai Neusoft… · near

39
The Sollami · near

39
3D Lighting… · lowest

7

What this shows Kenall's Innovation Score is 39.2/100 (top 39% 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 Kenall?

Each dot is one of Kenall’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). Kenall’s own 11.3 claims/patent is at or below the 15.4 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Kenall's grants concentrate

Kenall Manufacturing Company is a focused PatentsView assignee: 18 CPC subclasses with 43.2% of grants classified under F21Y (Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO THE Form OR THE Kind OF THE Light Sources OR OF THE Colour OF THE Light Emitted). Peak complete grant year is 2017 (20 grants) versus a trough of 2 in 2024. By volume, Kenall sits between Institut National DES Sciences APPLIQUÉES DE Lyon and Magna Seating Inc..

Kenall's three-year grant acceleration

From 2019–2021 to 2022–2024, Kenall Manufacturing Company moved from 32 to 9 grants (0.28x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

Institut National…

88
Ideastream Consum…

88
Johnson Controls

88
Joy Global Surfac…

88
Kapsch Trafficcom

88
Liko Research & D…

88
Luminex

88
Magna Seating

88
Kenall Manufactur… ◀

88

What this shows Kenall holds 88 patents at rank #4,089, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Kenall

By rank, the assignees closest to #4,089 in granted patent volume.

Leaders in F21Y (Indexing Scheme Associated With Subclasses F21k)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Kenall, neither rank-band nor same-CPC leaders (those blocks stay above). In F21Y (Indexing Scheme Associated With Subclasses F21k), Kenall ranks #57 of 1,359 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (39 here).

The Sollami Company 39 Conexant Systems, LLC 39 Shanghai Neusoft Medical Technology Co., Ltd. 39 Atomic Design Inc. 39

Similar claim depth

Nearest assignees by average claims per patent (11.3 here).

National Institute of Advanced Industrial Science and Technology 11.3 avg Nissin Kogyo Co., Ltd. 11.3 avg Future Motion, Inc. 11.3 avg University of Seoul Industry Cooperation Foundation 11.3 avg

Kenall's Innovation Score vs. every tracked assignee

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

39 Top 39% higher than 61% 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 · 2015–2024

Grants by year

Teal-shaded recent years (2020–present) versus the 2015–2019 baseline. Full figures in the table below.

View data table

Kenall Manufacturing Company patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	7	8.0%
2016	12	13.6%
2017	20	22.7%
2018	8	9.1%
2019	15	17.0%
2020	9	10.2%
2021	8	9.1%
2022	4	4.5%
2023	3	3.4%
2024	2	2.3%

Which technologies does Kenall Manufacturing Company patent most?

F21Y - Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO THE Form OR THE Kind OF THE Light Sources OR OF THE Colour OF THE Light Emitted 38

F21V - Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR 38

F21S - Non-portable Lighting DEVICES; Systems THEREOF; Vehicle Lighting Devices Specially Adapted FOR Vehicle Exteriors 27

H05B - Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General 26

F21W - Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO Uses OR Applications OF Lighting Devices OR Systems 16

F21K - Non-electric Light Sources Using LUMINESCENCE; Light Sources Using ELECTROCHEMILUMINESCENCE; Light Sources Using Charges OF Combustible MATERIAL; Light Sources Using Semiconductor Devices AS Light-generating ELEMENTS; Light Sources NOT Otherwise Provided FOR 16

Y02B - Climate Change Mitigation Technologies Related TO Buildings, e.g. Housing, House Appliances OR Related End-user Applications 12

A61L - Methods OR Apparatus FOR Sterilising Materials OR Objects IN GENERAL; Disinfection, Sterilisation OR Deodorisation OF AIR; Chemical Aspects OF Bandages, Dressings, Absorbent Pads OR Surgical ARTICLES; Materials FOR Bandages, Dressings, Absorbent Pads OR Surgical Articles 11

H10H - Inorganic Light-emitting Semiconductor Devices Having Potential Barriers 11

A61N - ELECTROTHERAPY; MAGNETOTHERAPY; Radiation THERAPY; Ultrasound Therapy 11

F24F - AIR-CONDITIONING; AIR-HUMIDIFICATION; VENTILATION; USE OF AIR Currents FOR Screening 4

Y10T - Technical Subjects Covered BY Former US Classification 3

G02B - Optical Elements, Systems OR Apparatus 3

B29D - Producing Particular Articles From Plastics OR From Substances IN A Plastic State 2

H05K - Printed CIRCUITS; Casings OR Constructional Details OF Electric APPARATUS; Manufacture OF Assemblages OF Electrical Components 2

Top 15 of 18 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

Kenall Manufacturing Company's patent record in context - here's where to go next.

Kenall Manufacturing Company's lead technology class is F21Y (Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO THE Form OR THE Kind OF THE Light Sources OR OF THE Colour OF THE Light Emitted), 43.2% of its portfolio - see every assignee active in that class. Explore F21Y
Ranked #4,090 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Kenall Manufacturing Company against Institut National DES Sciences APPLIQUÉES DE Lyon, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 39.2/100 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.