PlainPatent
USPTO 2015–2025 USPTO PatentsView US Corporation

LeafFilter North, LLC

USPTO PatentsView assignee record - 48 granted patents across 2 technology areas, recorded in grant years 2019–2025. 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: E04D (Roof COVERINGS; SKY-LIGHTS; GUTTERS; Roof-working Tools).

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The verdict

According to USPTO PatentsView, Leaffilter ranks #6,914 of 49,997 tracked US assignees by granted-patent volume, with 48 patents across 2 technology areas.

#6,914
of 49,997 US assignees by volume
18th percentile
by Innovation Score (25.5/100)
9.6
avg claims per patent
+229%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R6914 · US Corporation #6,914 · 48 grants

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

  • GRANTS-SMALL 48 grants
  • UPPER-Q #6,914/49,997
  • PHOTO-FINISH Kuwait Institute…
  • CPC-NARROW E04D · 2 areas
  • INNOV-THIN 25.5/100
  • CLAIMS-PAR 9.6 claims/avg
  • TYPE-USCORP US Corporation
  • VEL-SURGE +229% vel
  • BOOK-FULL 10/10 fields

Nearest grant-volume peer: Kuwait Institute FOR Scientific Research (±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.

Innovation-score neighbourhood around Leaffilter

Lowest and highest poles plus nearest Innovation Score peers, not a full corpus board reprint.

score

What this shows Leaffilter's Innovation Score is 25.5/100 (18th 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.

Source USPTO PatentsView, PlainPatent Innovation Score As of 2015–2025

Where Leaffilter's grants concentrate

LeafFilter North, LLC is a focused PatentsView assignee: 2 CPC subclasses with 39.6% of grants classified under E04D (Roof COVERINGS; SKY-LIGHTS; GUTTERS; Roof-working Tools). Peak complete grant year is 2020 (16 grants) versus a trough of 2 in 2021. By volume, Leaffilter sits between Kuwait Institute FOR Scientific Research and Mips Tech, LLC.

Leaffilter's three-year grant acceleration

From 2019–2021 to 2022–2024, LeafFilter North, LLC moved from 25 to 5 grants (0.20x the prior three-year total, a multiple, not a CAGR). See the growth leaderboard.

Who files at LeafFilter's volume?

Granted US patents 2015–2025 versus its nearest-ranked assignees by volume, this company marked ◀

patents

What this shows LeafFilter holds 48 patents at rank #6,915, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Source USPTO PatentsView, granted utility patents As of 2015–2025

Companies ranked near LeafFilter

By rank, the assignees closest to #6,915 in granted patent volume.

Leaders in E04D (Roof Coverings)

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

Assignees with similar portfolio profiles

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

Similar innovation score

Nearest assignees by Innovation Score (26 here).

Art Design Works LLC 26 Fyfe Co., LLC 26 Greyrock Energy, Inc. 26 Archimedes Controls Corp. 26

Leaffilter's Innovation Score vs. every tracked assignee

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

26 18th percentile higher than 18% of 49,997 US assignees

This assignee 0 100 every tracked assignee, bucketed by value

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

05101520 20192020202120232025 18
USPTO utility patent grants by year · 2019–2025

Grants by year

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

View data table
LeafFilter North, LLC patent grants by year, 2015–2025
Year Patents Granted Share of Period
2019 7 14.6%
2020 16 33.3%
2021 2 4.2%
2023 5 10.4%
2025partial year 18 37.5%

Which technologies does LeafFilter North, LLC patent most?

Top 2 of 2 technology areas

Where it ranks

Overall rank by patents

#6,914

of 49,997 tracked assignees

Innovation Score

25.5 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

LeafFilter North, LLC's patent record in context - here's where to go next.

  • LeafFilter North, LLC's lead technology class is E04D (Roof COVERINGS; SKY-LIGHTS; GUTTERS; Roof-working Tools), 39.6% of its portfolio - see every assignee active in that class. Explore E04D
  • Ranked #6,914 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
  • Compare LeafFilter North, LLC against Kuwait Institute FOR Scientific Research, an assignee filing at a similar volume. Compare portfolios
  • Innovation Score of 25.5/100 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

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.