Where does Ampro North America Corp. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Ampro North America Corp. ranks #44,688 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 Ampro North America Corp. hold?

Ampro North America Corp. holds 5 US utility patents granted between 2017 and 2018, spanning 5 technology areas.

What is Ampro North America Corp.'s Innovation Score?

Ampro North America Corp. has an Innovation Score of 16.4 out of 100 (4th percentile of the corpus). This composite metric weighs portfolio volume (40%), grant velocity (20%), technology breadth (25%), and claim depth (15%).

Is Ampro North America Corp.'s patent grant rate increasing or decreasing?

Ampro North America Corp.'s recent grant velocity is -100% 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 Ampro North America Corp.'s patents?

Ampro North America Corp.'s patents average 3.8 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 Ampro North America Corp. 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

Ampro North America Corp.

Q: What technology areas does Ampro North America Corp. focus on?

Ampro North America Corp.'s top technology area is Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution) with 1 patents, ranking #4,413 of 5,963 assignees active in that subclass. Grants appear in 5 CPC subclasses total.

USPTO PatentsView assignee record - 5 granted patents across 5 technology areas, recorded in grant years 2017–2018. 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: Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution).

Compiled by PlainPatent · May 15, 2026

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Explore the portfolio See the ranking

The verdict

According to USPTO PatentsView, Ampro ranks #44,688 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 5 technology areas.

#44,688
of 49,997 US assignees by volume: 4th percentile
by Innovation Score (16.4/100): 3.8
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R44688 · US Corporation #44,688 · 5 grants

GRANTS-MICRO · LOWER-Q · PHOTO-FINISH · CPC-NARROW · INNOV-LOW · CLAIMS-SPARSE · TYPE-USCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 5 grants
LOWER-Q #44,688/49,997
PHOTO-FINISH AmideBio
CPC-NARROW Y02E · 5 areas
INNOV-LOW 16.4/100
CLAIMS-SPARSE 3.8 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: AmideBio, 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 Ampro’s 16.4 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 6.2 pts (38%) Velocity 0.0 pts (0%) Breadth 7.9 pts (48%) Claim depth 2.3 pts (14%)

Qualcomm Incorporated · highest

85
Ampro North America · this assignee

16
3D Lighting… · lowest

7

What this shows Ampro's Innovation Score is 16.4/100 (4th 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 Ampro?

Each dot is one of Ampro’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). Ampro’s own 3.8 claims/patent is at or below the 16.0 median for these volume peers. Volume here does not track with deeper claims; several lower-volume peers claim more thoroughly per patent.

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

Where Ampro's grants concentrate

Ampro North America Corp. is a focused PatentsView assignee: 5 CPC subclasses with 20% of grants classified under Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution). Peak complete grant year is 2017 (4 grants) versus a trough of 1 in 2018. By volume, Ampro sits between AmideBio, LLC and Anabio Technologies Limited.

Amidebio

5
Amity Technology

5
Amos Power

5
Amperex Technology

5
Amtek Semiconduct…

5
Amundson Technolo…

5
Anapp

5
Anabio

5
Ampro North Ameri… ◀

5

What this shows Ampro holds 5 patents at rank #44,867, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Ampro

By rank, the assignees closest to #44,867 in granted patent volume.

Leaders in Y02E (Reduction OF Greenhouse GAS [GHG] Emissions)

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

Ampro's Innovation Score vs. every tracked assignee

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

16 4th percentile higher than 4% 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 · 2017–2018

Grants by year

Teal-shaded recent years (2020–present) versus the 2017–2019 baseline. Full figures in the table below.

View data table

Ampro North America Corp. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2017	4	80.0%
2018	1	20.0%

Which technologies does Ampro North America Corp. patent most?

Y02E - Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution 1

F21V - Functional Features OR Details OF Lighting Devices OR Systems THEREOF; Structural Combinations OF Lighting Devices With Other Articles, NOT Otherwise Provided FOR 1

F21Y - Indexing Scheme Associated With Subclasses F21k, F21l, F21s and F21v, Relating TO THE Form OR THE Kind OF THE Light Sources OR OF THE Colour OF THE Light Emitted 1

H01M - Processes OR Means, e.g. Batteries, FOR THE Direct Conversion OF Chemical Energy Into Electrical Energy 1

F21L - Lighting Devices OR Systems Thereof, Being Portable OR Specially Adapted FOR Transportation 1

Top 5 of 5 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

Ampro North America Corp.'s patent record in context - here's where to go next.

Ampro North America Corp.'s lead technology class is Y02E (Reduction OF Greenhouse GAS [GHG] Emissions, Related TO Energy Generation, Transmission OR Distribution), 20% of its portfolio - see every assignee active in that class. Explore Y02E
Ranked #44,688 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Ampro North America Corp. against AmideBio, LLC, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 16.4/100 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.