Where does Emseal Joint Systems, Ltd. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Emseal Joint Systems, Ltd. ranks #10,016 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 Emseal Joint Systems, Ltd. hold?

Emseal Joint Systems, Ltd. holds 31 US utility patents granted between 2015 and 2022, spanning 16 technology areas.

What is Emseal Joint Systems, Ltd.'s Innovation Score?

Emseal Joint Systems, Ltd. has an Innovation Score of 41.6 out of 100 (top 33% of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Emseal Joint Systems, Ltd.'s patent grant rate increasing or decreasing?

Emseal Joint Systems, Ltd.'s recent grant velocity is -45% 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 Emseal Joint Systems, Ltd.'s patents?

Emseal Joint Systems, Ltd.'s patents average 29.1 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 Emseal Joint Systems, Ltd. 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

Emseal Joint Systems, Ltd.

Q: What technology areas does Emseal Joint Systems, Ltd. focus on?

Emseal Joint Systems, Ltd.'s top technology area is E04B (General Building CONSTRUCTIONS; Walls, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; Insulation OR Other Protection OF Buildings) with 31 patents. Grants appear in 16 CPC subclasses total.

USPTO PatentsView assignee record - 31 granted patents across 16 technology areas, recorded in grant years 2015–2022. 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: E04B (General Building CONSTRUCTIONS; Walls, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; Insulation OR Other Protection OF Buildings).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Emseal ranks #10,016 of 49,997 tracked US assignees by granted-patent volume, with 31 patents across 16 technology areas.

#10,016
of 49,997 US assignees by volume: Top 33%
by Innovation Score (41.6/100): 29.1
avg claims per patent: -45%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R10016 · US Corporation #10,016 · 31 grants

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

GRANTS-SMALL 31 grants
UPPER-Q #10,016/49,997
PHOTO-FINISH Delphix
CPC-FOCUS E04B · 16 areas
INNOV-PAR 41.6/100
CLAIMS-DENSE 29.1 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -45% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Delphix Corp. (±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.

Qualcomm Incorporated · highest

85
Emseal Joint Systems · this assignee

42
Glasstech · near

42
RareCyte · near

42
Riverbed Technology · near

42
Supernus Pharmaceuti… · near

42
3D Lighting… · lowest

7

What this shows Emseal's Innovation Score is 41.6/100 (top 33% 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.

Where Emseal's grants concentrate

Emseal Joint Systems, Ltd. is a focused PatentsView assignee: 16 CPC subclasses with 100% of grants classified under E04B (General Building CONSTRUCTIONS; Walls, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; Insulation OR Other Protection OF Buildings). Peak complete grant year is 2017 (9 grants) versus a trough of 1 in 2022. By volume, Emseal sits between Dubrosky & Tracy Patent Service Corp. and Evga Corporation.

Emseal's three-year grant acceleration

Emseal Joint Systems, Ltd. shows 1 grants in 2022–2024 against only 14 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.

Dubrosky & Tracy…

31
Dynavax

31
Delphix

31
E ON Sverige AB

31
Erema Engineering…

31
Ergonomic Solutio…

31
ESW Holdings

31
Evga

31
Emseal Joint Syst… ◀

31

What this shows Emseal holds 31 patents at rank #10,017, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Emseal

By rank, the assignees closest to #10,017 in granted patent volume.

Leaders in E04B (General Building Constructions)

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

Assignees with similar portfolio profiles

Two PlainPatent-derived peer sets for Emseal, neither rank-band nor same-CPC leaders (those blocks stay above).

Similar innovation score

Nearest assignees by Innovation Score (42 here).

Glasstech, Inc. 42 Supernus Pharmaceuticals, Inc. 42 RareCyte, Inc. 42 Riverbed Technology LLC 42

Emseal's Innovation Score vs. every tracked assignee

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

42 Top 33% higher than 67% 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 · 2015–2022

Grants by year

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

View data table

Emseal Joint Systems, Ltd. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	2	6.5%
2016	2	6.5%
2017	9	29.0%
2018	3	9.7%
2019	4	12.9%
2020	6	19.4%
2021	4	12.9%
2022	1	3.2%

Which technologies does Emseal Joint Systems, Ltd. patent most?

E04B - General Building CONSTRUCTIONS; Walls, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; Insulation OR Other Protection OF Buildings 31

E04C - Structural ELEMENTS; Building Materials 9

E21D - SHAFTS; TUNNELS; GALLERIES; Large Underground Chambers 5

C08K - Use of inorganic or non-macromolecular organic substances as compounding ingredients 4

C08J - WORKING-UP; General Processes OF COMPOUNDING; After-treatment NOT Covered BY Subclasses C08b, C08c, C08f, C08g or C08h 4

C09K - Materials FOR Miscellaneous Applications, NOT Provided FOR Elsewhere 4

E04D - Roof COVERINGS; SKY-LIGHTS; GUTTERS; Roof-working Tools 4

E02D - FOUNDATIONS; EXCAVATIONS; Embankments ; Underground OR Underwater Structures 3

B32B - Layered Products, i.e. Products Built-up OF Strata OF Flat OR Non-flat, e.g. Cellular OR Honeycomb, Form 3

E01C - Construction OF, OR Surfaces FOR, Roads, Sports Grounds, OR THE LIKE; Machines OR Auxiliary Tools FOR Construction OR Repair 3

B29L - Indexing Scheme Associated With Subclass B29c, Relating TO Particular Articles 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

B29K - Indexing Scheme Associated With Subclasses B29b, B29c OR B29d, Relating TO Moulding Materials OR TO Materials FOR ; Moulds, ; Reinforcements, Fillers OR Preformed Parts, e.g. Inserts 2

F16B - Devices FOR Fastening OR Securing Constructional Elements OR Machine Parts Together, e.g. Nails, Bolts, Circlips, Clamps, Clips OR WEDGES; Joints OR Jointing 1

E01D - Construction OF Bridges, ; Elevated ROADWAYS; OR VIADUCTS; Assembly OF Bridges 1

Top 15 of 16 technology areas

Where it ranks

Overall rank by patents

#10,016

of 49,997 tracked assignees

Innovation Score

41.6 out of 100

View all rankings →

Data Source

USPTO PatentsView, US granted patents 2015–2025

How is Innovation Score calculated?

What to do with this data

Emseal Joint Systems, Ltd.'s patent record in context - here's where to go next.

Emseal Joint Systems, Ltd.'s lead technology class is E04B (General Building CONSTRUCTIONS; Walls, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; Insulation OR Other Protection OF Buildings), 100% of its portfolio - see every assignee active in that class. Explore E04B
Ranked #10,016 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Emseal Joint Systems, Ltd. against Dubrosky & Tracy Patent Service Corp., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 41.6/100 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.