Where does Carollo Engineers, Inc. rank among US patent assignees?

According to USPTO PatentsView (2015–2025 granted utility patents), Carollo Engineers, Inc. ranks #45,481 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 Carollo Engineers, Inc. hold?

Carollo Engineers, Inc. holds 5 US utility patents granted between 2016 and 2025, spanning 6 technology areas.

What is Carollo Engineers, Inc.'s Innovation Score?

Carollo Engineers, Inc. has an Innovation Score of 20.3 out of 100 (7th 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 Carollo Engineers, Inc. focus on?

Carollo Engineers, Inc.'s top technology area is B01D (Separation) with 4 patents, ranking #1,134 of 3,536 assignees active in that subclass. Grants appear in 6 CPC subclasses total.

Is Carollo Engineers, Inc.'s patent grant rate increasing or decreasing?

Carollo Engineers, Inc.'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 Carollo Engineers, Inc.'s patents?

Carollo Engineers, Inc.'s patents average 9.0 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 Carollo Engineers, Inc. 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

Carollo Engineers, Inc.

USPTO PatentsView assignee record - 5 granted patents across 6 technology areas, recorded in grant years 2016–2025. 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: B01D (Separation).

Compiled by PlainPatent · May 15, 2026

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The verdict

According to USPTO PatentsView, Carollo ranks #45,481 of 49,997 tracked US assignees by granted-patent volume, with 5 patents across 6 technology areas.

#45,481
of 49,997 US assignees by volume: 7th percentile
by Innovation Score (20.3/100): 9.0
avg claims per patent: -100%
grant velocity, last 5 yrs

USPTO PatentsView assignee plate

Corpus R45481 · US Corporation #45,481 · 5 grants

GRANTS-MICRO · BOTTOM-DECILE · PHOTO-FINISH · CPC-NARROW · INNOV-THIN · CLAIMS-PAR · TYPE-USCORP · VEL-DROP · BOOK-FULL

GRANTS-MICRO 5 grants
BOTTOM-DECILE #45,481/49,997
PHOTO-FINISH Carl Zeiss 3D…
CPC-NARROW B01D · 6 areas
INNOV-THIN 20.3/100
CLAIMS-PAR 9.0 claims/avg
TYPE-USCORP US Corporation
VEL-DROP -100% vel
BOOK-FULL 10/10 fields

Nearest grant-volume peer: Carl Zeiss 3D Automation GmbH (±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 Carollo’s 20.3 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 (31%) Velocity 0.0 pts (0%) Breadth 8.7 pts (43%) Claim depth 5.4 pts (27%)

Qualcomm Incorporated · highest

85
Carollo Engineers · this assignee

20
3D Lighting… · lowest

7

What this shows Carollo's Innovation Score is 20.3/100 (7th 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 Carollo?

Each dot is one of Carollo’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). Carollo’s own 9.0 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.

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

Where Carollo's grants concentrate

Carollo Engineers, Inc. is a focused PatentsView assignee: 6 CPC subclasses with 80% of grants classified under B01D (Separation). Peak complete grant year is 2017 (2 grants) versus a trough of 1 in 2016. By volume, Carollo sits between Carl Zeiss 3D Automation GmbH and Carus LLC.

Carl Zeiss 3D Aut…

5
Carl Zeiss Optote…

5
Carleton

5
Carleton Universi…

5
Carpin Manufactur…

5
Carrygenes Bioeng…

5
Carterra

5
Carus

5
Carollo Engineers ◀

5

What this shows Carollo holds 5 patents at rank #45,752, shown against the 8 assignees closest to it in grant volume rather than the industry's largest filers.

Companies ranked near Carollo

By rank, the assignees closest to #45,752 in granted patent volume.

Leaders in B01D (Separation)

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

Carollo's Innovation Score vs. every tracked assignee

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

20 7th percentile higher than 7% 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 · 2016–2025

Grants by year

Teal-shaded recent years (2020–present) versus the 2016–2019 baseline. Full figures in the table below.

View data table

Carollo Engineers, Inc. patent grants by year, 2015–2025
Year	Patents Granted	Share of Period
2016	1	20.0%
2017	2	40.0%
2019	1	20.0%
2025partial year	1	20.0%

Which technologies does Carollo Engineers, Inc. patent most?

B01D - Separation 4

C02F - Treatment OF Water, Waste Water, Sewage, OR Sludge 3

C12M - Apparatus FOR Enzymology OR MICROBIOLOGY; Apparatus FOR Culturing Microorganisms FOR Producing Biomass, FOR Growing Cells OR FOR Obtaining Fermentation OR Metabolic Products, i.e. Bioreactors OR Fermenters 2

Y02P - Climate Change Mitigation Technologies IN THE Production OR Processing OF Goods 2

Y02C - Capture, Storage, Sequestration OR Disposal OF Greenhouse Gases [GHG] 2

Y02W - Climate Change Mitigation Technologies Related TO Wastewater Treatment OR Waste Management 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

Carollo Engineers, Inc.'s patent record in context - here's where to go next.

Carollo Engineers, Inc.'s lead technology class is B01D (Separation), 80% of its portfolio - see every assignee active in that class. Explore B01D
Ranked #45,481 of 49,997 tracked assignees by patent volume - see the full leaderboard. See the ranking
Compare Carollo Engineers, Inc. against Carl Zeiss 3D Automation GmbH, an assignee filing at a similar volume. Compare portfolios
Innovation Score of 20.3/100 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.