Where does Zurn Industries, LLC rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Zurn Industries, LLC ranks #3,170 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 Zurn Industries, LLC hold?

Zurn Industries, LLC holds 119 US utility patents granted between 2015 and 2024, spanning 49 technology areas.

What is Zurn Industries, LLC's Innovation Score?

Zurn Industries, LLC has an Innovation Score of 57.7 out of 100 (top 5% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

What technology areas does Zurn Industries, LLC focus on?

Zurn Industries, LLC's top technology area is E03F (SEWERS; Cesspools) with 25 patents, ranking #2 of 178 assignees active in that subclass. Grants appear in 49 CPC subclasses total.

Is Zurn Industries, LLC's patent grant rate increasing or decreasing?

Zurn Industries, LLC'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 Zurn Industries, LLC's patents?

Zurn Industries, LLC's patents average 12.6 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 Zurn Industries, LLC 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

Zurn Industries, LLC

USPTO PatentsView assignee record - 119 granted patents across 49 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: E03F (SEWERS; Cesspools).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Zurn ranks #3,170 of 49,997 tracked US assignees by granted-patent volume, with 119 patents across 49 technology areas.

#3,170
of 49,997 US assignees by volume: Top 5%
by Innovation Score (57.7/100): 12.6
avg claims per patent: +33%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R3170 · US Corporation #3,170 · 119 grants

GRANTS-MID · TOP-DECILE · PHOTO-FINISH · CPC-WIDE · INNOV-PAR · CLAIMS-RICH · TYPE-USCORP · VEL-UP · BOOK-FULL

GRANTS-MID 119 grants
TOP-DECILE #3,170/49,997
PHOTO-FINISH Titan Medical
CPC-WIDE E03F · 49 areas
INNOV-PAR 57.7/100
CLAIMS-RICH 12.6 claims/avg
TYPE-USCORP US Corporation
VEL-UP +33% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Titan Medical 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 Zurn’s 57.7 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 16.5 pts (29%) Velocity 8.9 pts (15%) Breadth 24.7 pts (43%) Claim depth 7.6 pts (13%)

Qualcomm Incorporated · highest

85
Embark Trucks · near

58
Micro Motion · near

58
SK Chemicals · near

58
Stats ChipPAC Pte · near

58
Zurn Industries · this assignee

58
3D Lighting… · lowest

7

What this shows Zurn's Innovation Score is 57.7/100 (top 5% 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 Zurn?

Each dot is one of Zurn’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). Zurn’s own 12.6 claims/patent is at or below the 18.0 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Zurn's grants concentrate

Zurn Industries, LLC is a focused PatentsView assignee: 49 CPC subclasses with 21% of grants classified under E03F (SEWERS; Cesspools). Peak complete grant year is 2023 (31 grants) versus a trough of 3 in 2024. By volume, Zurn sits between Titan Medical Inc. and ConsumerInfo.com, Inc..

Zurn's three-year grant acceleration

From 2019–2021 to 2022–2024, Zurn Industries, LLC moved from 33 to 44 grants (1.33x the prior three-year total, a multiple, not a CAGR). Among 3,296 tracked assignees with ≥100 grants and ≥20 prior-period grants, that multiple ranks #604. See the growth leaderboard.

Titan Medical

119
Verizon Digital M…

119
Wyse Technology L…

119
Yamabiko

119
Zurn Industries ◀

119
Artilux

118
Avast Software s…

118
Certicom

118
Consumerinfo com

118

What this shows Zurn holds 119 patents at rank #3,170, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Zurn

By rank, the assignees closest to #3,170 in granted patent volume.

Leaders in E03F (Sewers)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Zurn, neither rank-band nor same-CPC leaders (those blocks stay above). In E03F (Sewers), Zurn ranks #2 of 178 assignees by patent count in that subclass.

Similar innovation score

Nearest assignees by Innovation Score (58 here).

SK Chemicals Co., Ltd. 58 Micro Motion, Inc. 58 Stats ChipPAC Pte. Ltd. 58 Embark Trucks, Inc. 58

Similar claim depth

Nearest assignees by average claims per patent (12.6 here).

Esab AB 12.6 avg GEA Mechanical Equipment GmbH 12.6 avg Purple Innovation, LLC 12.6 avg Safran Seats 12.6 avg

Zurn's Innovation Score vs. every tracked assignee

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

58 Top 5% higher than 95% 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

Zurn Industries, LLC patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	9	7.6%
2016	11	9.2%
2017	11	9.2%
2018	11	9.2%
2019	9	7.6%
2020	7	5.9%
2021	17	14.3%
2022	10	8.4%
2023	31	26.1%
2024	3	2.5%

Which technologies does Zurn Industries, LLC patent most?

E03F - SEWERS; Cesspools 25

Y10T - Technical Subjects Covered BY Former US Classification 19

F16K - VALVES; TAPS; COCKS; ACTUATING-FLOATS; Devices FOR Venting OR Aerating 19

E03D - Water-closets OR Urinals With Flushing DEVICES; Flushing Valves Therefor 19

E03C - Domestic Plumbing Installations FOR Fresh Water OR Waste Water ; Sinks 16

E04F - Finishing Work ON Buildings, e.g. Stairs, Floors 14

H04L - Transmission OF Digital Information, e.g. Telegraphic Communication 12

B23P - Metal-working NOT Otherwise Provided FOR; Combined OPERATIONS; Universal Machine Tools 7

F16L - PIPES; Joints OR Fittings FOR PIPES; Supports FOR Pipes, Cables OR Protective TUBING; Means FOR Thermal Insulation IN General 7

B66B - ELEVATORS; Escalators OR Moving Walkways 6

G08B - Signalling OR Calling SYSTEMS; Order TELEGRAPHS; Alarm Systems 6

G05D - Systems FOR Controlling OR Regulating Non-electric Variables 5

Y02B - Climate Change Mitigation Technologies Related TO Buildings, e.g. Housing, House Appliances OR Related End-user Applications 5

G05B - Control OR Regulating Systems IN GENERAL; Functional Elements OF Such SYSTEMS; Monitoring OR Testing Arrangements FOR Such Systems OR Elements 5

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

Top 15 of 49 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

Zurn Industries, LLC's patent record in context - here's where to go next.

Zurn Industries, LLC's lead technology class is E03F (SEWERS; Cesspools), 21% of its portfolio - see every assignee active in that class. Explore E03F
Ranked #3,170 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Zurn Industries, LLC against Titan Medical Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 57.7/100 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.