Where does Kerr Corporation rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Kerr Corporation ranks #10,079 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 Kerr Corporation hold?

Kerr Corporation holds 31 US utility patents granted between 2015 and 2023, spanning 21 technology areas.

What is Kerr Corporation's Innovation Score?

Kerr Corporation has an Innovation Score of 40.0 out of 100 (top 37% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Kerr Corporation focus on?

Kerr Corporation's top technology area is A61C (DENTISTRY; Apparatus OR Methods FOR Oral OR Dental Hygiene) with 17 patents, ranking #53 of 546 assignees active in that subclass. Grants appear in 21 CPC subclasses total.

Is Kerr Corporation's patent grant rate increasing or decreasing?

Kerr Corporation's recent grant velocity is -76% 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 Kerr Corporation's patents?

Kerr Corporation's patents average 15.3 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 Kerr Corporation 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

Kerr Corporation

USPTO PatentsView assignee record - 31 granted patents across 21 technology areas, recorded in grant years 2015–2023. 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: A61C (DENTISTRY; Apparatus OR Methods FOR Oral OR Dental Hygiene).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Kerr ranks #10,079 of 49,997 tracked US assignees by granted-patent volume, with 31 patents across 21 technology areas.

#10,079
of 49,997 US assignees by volume: Top 37%
by Innovation Score (40.0/100): 15.3
avg claims per patent: -76%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R10079 · US Corporation #10,079 · 31 grants

GRANTS-SMALL · UPPER-Q · PHOTO-FINISH · CPC-FOCUS · INNOV-PAR · CLAIMS-RICH · TYPE-USCORP · VEL-DROP · BOOK-FULL

GRANTS-SMALL 31 grants
UPPER-Q #10,079/49,997
PHOTO-FINISH KÄRCHER North America
CPC-FOCUS A61C · 21 areas
INNOV-PAR 40.0/100
CLAIMS-RICH 15.3 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -76% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: KÄRCHER North America, 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 Kerr’s 40.0 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 12.0 pts (30%) Velocity 2.7 pts (7%) Breadth 16.2 pts (40%) Claim depth 9.2 pts (23%)

Qualcomm Incorporated · highest

85
Kerr · this assignee

40
Nativo · near

40
Realnetworks · near

40
SK Biopharmaceuticals · near

40
San Jamar · near

40
3D Lighting… · lowest

7

What this shows Kerr's Innovation Score is 40.0/100 (top 37% 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 Kerr?

Each dot is one of Kerr’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). Kerr’s own 15.3 claims/patent is ABOVE the 12.3 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where Kerr's grants concentrate

Kerr Corporation is a focused PatentsView assignee: 21 CPC subclasses with 54.8% of grants classified under A61C (DENTISTRY; Apparatus OR Methods FOR Oral OR Dental Hygiene). Peak complete grant year is 2016 (9 grants) versus a trough of 1 in 2019. By volume, Kerr sits between Keiper Seating Mechanisms Co., Ltd. and Lanxess Corporation.

Kerr's three-year grant acceleration

Kerr Corporation shows 2 grants in 2022–2024 against only 5 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.

Keiper Seating Me…

31
Kinki University

31
Kyosan Denki

31
Kent Displays

31
Kindred Systems

31
Kuroda Precision…

31
KÄRcher North Ame…

31
Lanxess

31
Kerr ◀

31

What this shows Kerr holds 31 patents at rank #10,081, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Kerr

By rank, the assignees closest to #10,081 in granted patent volume.

Leaders in A61C (Dentistry)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Kerr, neither rank-band nor same-CPC leaders (those blocks stay above). In A61C (Dentistry), Kerr ranks #53 of 546 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (40 here).

Nativo, Inc. 40 Realnetworks LLC 40 SK Biopharmaceuticals Co., Ltd. 40 San Jamar, Inc. 40

Kerr's Innovation Score vs. every tracked assignee

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

40 Top 37% higher than 63% 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 · 2015–2023

Grants by year

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

View data table

Kerr Corporation patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	2	6.5%
2016	9	29.0%
2017	9	29.0%
2018	4	12.9%
2019	1	3.2%
2020	2	6.5%
2021	2	6.5%
2022	1	3.2%
2023	1	3.2%

Which technologies does Kerr Corporation patent most?

A61C - DENTISTRY; Apparatus OR Methods FOR Oral OR Dental Hygiene 17

A61K - Preparations FOR Medical, Dental OR Toiletry Purposes 9

F21V - Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR 6

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 6

F21W - Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO Uses OR Applications OF Lighting Devices OR Systems 6

G02B - Optical Elements, Systems OR Apparatus 6

F21L - Lighting Devices OR Systems Thereof, Being Portable OR Specially Adapted FOR Transportation 5

A61B - DIAGNOSIS; SURGERY; Identification 4

G02C - SPECTACLES; Sunglasses OR Goggles Insofar AS They Have THE Same Features AS SPECTACLES; Contact Lenses 4

H05B - Electric HEATING; Electric Light Sources NOT Otherwise Provided FOR; Circuit Arrangements FOR Electric Light Sources, IN General 3

Y02B - Climate Change Mitigation Technologies Related TO Buildings, e.g. Housing, House Appliances OR Related End-user Applications 3

C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients 2

C01P - Indexing Scheme Relating TO Structural AND Physical Aspects OF Solid Inorganic Compounds 2

C09C - Treatment OF Inorganic Materials, Other Than Fibrous Fillers, TO Enhance Their Pigmenting OR Filling Properties ; Preparation OF Carbon Black ; ; Preparation OF Inorganic Materials Which ARE NO Single Chemical Compounds AND Which ARE Mainly Used AS Pigments OR Fillers 2

B29C - Shaping OR Joining OF PLASTICS; Shaping OF Material IN A Plastic State, NOT Otherwise Provided FOR; After-treatment OF THE Shaped Products, e.g. Repairing 2

Top 15 of 21 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

Kerr Corporation's patent record in context - here's where to go next.

Kerr Corporation's lead technology class is A61C (DENTISTRY; Apparatus OR Methods FOR Oral OR Dental Hygiene), 54.8% of its portfolio - see every assignee active in that class. Explore A61C
Ranked #10,079 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Kerr Corporation against Keiper Seating Mechanisms Co., Ltd., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 40.0/100 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.