Where does Elkay Manufacturing Company rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Elkay Manufacturing Company ranks #6,137 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 Elkay Manufacturing Company hold?

Elkay Manufacturing Company holds 55 US utility patents granted between 2015 and 2023, spanning 10 technology areas.

What is Elkay Manufacturing Company's Innovation Score?

Elkay Manufacturing Company has an Innovation Score of 33.9 out of 100 (46th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Elkay Manufacturing Company focus on?

Elkay Manufacturing Company's top technology area is E03C (Domestic Plumbing Installations FOR Fresh Water OR Waste Water ; Sinks) with 20 patents, ranking #15 of 262 assignees active in that subclass. Grants appear in 10 CPC subclasses total.

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

Elkay Manufacturing Company's recent grant velocity is +20% 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 Elkay Manufacturing Company's patents?

Elkay Manufacturing Company's patents average 8.6 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 Elkay 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

Elkay Manufacturing Company

USPTO PatentsView assignee record - 55 granted patents across 10 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: E03C (Domestic Plumbing Installations FOR Fresh Water OR Waste Water ; Sinks).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Elkay ranks #6,137 of 49,997 tracked US assignees by granted-patent volume, with 55 patents across 10 technology areas.

#6,137
of 49,997 US assignees by volume: 46th percentile
by Innovation Score (33.9/100): 8.6
avg claims per patent: +20%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R6137 · US Corporation #6,137 · 55 grants

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

GRANTS-SMALL 55 grants
UPPER-Q #6,137/49,997
PHOTO-FINISH Custom Molded Products
CPC-FOCUS E03C · 10 areas
INNOV-THIN 33.9/100
CLAIMS-PAR 8.6 claims/avg
TYPE-USCORP US Corporation
VEL-UP +20% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Custom Molded 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 Elkay’s 33.9 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 13.9 pts (41%) Velocity 3.6 pts (11%) Breadth 11.2 pts (33%) Claim depth 5.2 pts (15%)

Qualcomm Incorporated · highest

85
Aquantia · near

34
Cole Haan · near

34
Elkay Manufacturing · this assignee

34
Fluidigm Canada · near

34
Phytogen Seed · near

34
3D Lighting… · lowest

7

What this shows Elkay's Innovation Score is 33.9/100 (46th percentile 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 Elkay?

Each dot is one of Elkay’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). Elkay’s own 8.6 claims/patent is at or below the 16.6 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Elkay's grants concentrate

Elkay Manufacturing Company is a focused PatentsView assignee: 10 CPC subclasses with 36.4% of grants classified under E03C (Domestic Plumbing Installations FOR Fresh Water OR Waste Water ; Sinks). Peak complete grant year is 2021 (13 grants) versus a trough of 1 in 2016. By volume, Elkay sits between Custom Molded Products, LLC and Ellenberger & Poensgen GmbH.

Elkay's three-year grant acceleration

From 2019–2021 to 2022–2024, Elkay Manufacturing Company moved from 24 to 13 grants (0.54x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

Custom Molded Pro…

55
Dental Imaging

55
DT Swiss

55
Dyax

55
Enzo Life Sciences

55
Eugene Technology

55
East Carolina Uni…

55
Ellenberger & Poe…

55
Elkay Manufacturi… ◀

55

What this shows Elkay holds 55 patents at rank #6,136, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Elkay

By rank, the assignees closest to #6,136 in granted patent volume.

Leaders in E03C (Domestic Plumbing Installations FOR Fresh Water OR Waste…)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Elkay, neither rank-band nor same-CPC leaders (those blocks stay above). In E03C (Domestic Plumbing Installations FOR Fresh Water OR Waste…), Elkay ranks #15 of 262 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (34 here).

Fluidigm Canada Inc. 34 Aquantia Corp. 34 Cole Haan LLC 34 Phytogen Seed Company, LLC 34

Similar claim depth

Nearest assignees by average claims per patent (8.6 here).

Sanford L.P. 8.6 avg Anchor Wall Systems, Inc. 8.6 avg Mabuchi Motor Co., Ltd. 8.6 avg Camelbak Products, LLC 8.6 avg

Elkay's Innovation Score vs. every tracked assignee

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

34 46th percentile higher than 46% 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

Elkay Manufacturing Company patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	2	3.6%
2016	1	1.8%
2017	7	12.7%
2018	8	14.5%
2019	7	12.7%
2020	4	7.3%
2021	13	23.6%
2022	8	14.5%
2023	5	9.1%

Which technologies does Elkay Manufacturing Company patent most?

E03C - Domestic Plumbing Installations FOR Fresh Water OR Waste Water ; Sinks 20

B67D - Dispensing, Delivering OR Transferring Liquids, NOT Otherwise Provided FOR 11

Y10T - Technical Subjects Covered BY Former US Classification 9

G07F - Coin-freed OR Like Apparatus 5

A47B - TABLES; DESKS; Office FURNITURE; CABINETS; DRAWERS; General Details OF Furniture 3

C02F - Treatment OF Water, Waste Water, Sewage, OR Sludge 3

A47K - Sanitary Equipment NOT Otherwise Provided FOR ; Toilet Accessories 2

B05B - Spraying APPARATUS; Atomising APPARATUS; Nozzles 2

A47J - Kitchen EQUIPMENT; Coffee MILLS; Spice MILLS; Apparatus FOR Making Beverages 1

F25D - REFRIGERATORS; Cold ROOMS; ICE-BOXES; Cooling OR Freezing Apparatus NOT Otherwise Provided FOR 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

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

Elkay Manufacturing Company's lead technology class is E03C (Domestic Plumbing Installations FOR Fresh Water OR Waste Water ; Sinks), 36.4% of its portfolio - see every assignee active in that class. Explore E03C
Ranked #6,137 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Elkay Manufacturing Company against Custom Molded Products, LLC, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 33.9/100 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.