Where does National Trench Safety, LLC rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), National Trench Safety, LLC ranks #36,627 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 National Trench Safety, LLC hold?

National Trench Safety, LLC holds 7 US utility patents granted between 2015 and 2020, spanning 6 technology areas.

What is National Trench Safety, LLC's Innovation Score?

National Trench Safety, LLC has an Innovation Score of 26.8 out of 100 (22nd 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 National Trench Safety, LLC focus on?

National Trench Safety, LLC's top technology area is E02D (FOUNDATIONS; EXCAVATIONS; Embankments ; Underground OR Underwater Structures) with 4 patents, ranking #110 of 430 assignees active in that subclass. Grants appear in 6 CPC subclasses total.

Is National Trench Safety, LLC's patent grant rate increasing or decreasing?

National Trench Safety, LLC's recent grant velocity is -25% 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 National Trench Safety, LLC's patents?

National Trench Safety, LLC's patents average 18.3 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 National Trench Safety, 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

National Trench Safety, LLC

USPTO PatentsView assignee record - 7 granted patents across 6 technology areas, recorded in grant years 2015–2020. 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: E02D (FOUNDATIONS; EXCAVATIONS; Embankments ; Underground OR Underwater Structures).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, National ranks #36,627 of 49,997 tracked US assignees by granted-patent volume, with 7 patents across 6 technology areas.

#36,627
of 49,997 US assignees by volume: 22nd percentile
by Innovation Score (26.8/100): 18.3
avg claims per patent: -25%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R36627 · US Corporation #36,627 · 7 grants

GRANTS-MICRO · MID-PACK · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-RICH · TYPE-USCORP · VEL-DOWN · BOOK-FULL

GRANTS-MICRO 7 grants
MID-PACK #36,627/49,997
PHOTO-FINISH Naqi Logix
CPC-NARROW E02D · 6 areas
INNOV-THIN 26.8/100
CLAIMS-RICH 18.3 claims/avg
TYPE-USCORP US Corporation
VEL-DOWN -25% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Naqi Logix 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 National’s 26.8 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 7.2 pts (27%) Velocity 0.0 pts (0%) Breadth 8.7 pts (32%) Claim depth 11.0 pts (41%)

Qualcomm Incorporated · highest

85
National Trench Safety · this assignee

27
3D Lighting… · lowest

7

What this shows National's Innovation Score is 26.8/100 (22nd 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 National?

Each dot is one of National’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). National’s own 18.3 claims/patent is ABOVE the 12.9 median for these volume peers. More thorough claims than most filers at this scale, not just more of them.

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

Where National's grants concentrate

National Trench Safety, LLC is a focused PatentsView assignee: 6 CPC subclasses with 57.1% of grants classified under E02D (FOUNDATIONS; EXCAVATIONS; Embankments ; Underground OR Underwater Structures). Peak complete grant year is 2020 (3 grants) versus a trough of 1 in 2015. By volume, National sits between Naqi Logix Inc. and NC Brands L.P..

Naqi Logix

7
Nasarc

7
National Institut…

7
National Institut…

7
Naval Energies

7
Navinci Diagnosti…

7
NBB Holding

7
NC Brands

7
National Trench S… ◀

7

What this shows National holds 7 patents at rank #36,588, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near National

By rank, the assignees closest to #36,588 in granted patent volume.

Leaders in E02D (Foundations)

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

National's Innovation Score vs. every tracked assignee

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

27 22nd percentile higher than 22% 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 · 2015–2020

Grants by year

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

View data table

National Trench Safety, LLC patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2015	1	14.3%
2017	2	28.6%
2019	1	14.3%
2020	3	42.9%

Which technologies does National Trench Safety, LLC patent most?

E02D - FOUNDATIONS; EXCAVATIONS; Embankments ; Underground OR Underwater Structures 4

Y10T - Technical Subjects Covered BY Former US Classification 2

E04G - SCAFFOLDING; FORMS; SHUTTERING; Building Implements OR Aids, OR Their USE; Handling Building Materials ON THE SITE; Repairing, Breaking-up OR Other Work ON Existing Buildings 1

E04H - Buildings OR Like Structures FOR Particular PURPOSES; Swimming OR Splash Baths OR POOLS; MASTS; FENCING; Tents OR Canopies, IN General 1

E01F - Additional Work, Such AS Equipping Roads OR THE Construction OF Platforms, Helicopter Landing Stages, Signs, Snow Fences, OR THE Like 1

E06C - Ladders 1

Top 6 of 6 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

National Trench Safety, LLC's patent record in context - here's where to go next.

National Trench Safety, LLC's lead technology class is E02D (FOUNDATIONS; EXCAVATIONS; Embankments ; Underground OR Underwater Structures), 57.1% of its portfolio - see every assignee active in that class. Explore E02D
Ranked #36,627 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare National Trench Safety, LLC against Naqi Logix Inc., an assignee filing at a similar volume. Compare portfolios
Innovation Score of 26.8/100 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.